[Users] Problem with dialog module

Leonid Fainshtein LFAIN at ipgear.net
Sun Mar 18 11:30:35 CET 2007


Hi Bogdan,
Please check the ngrep output. I put my comments along with the trace:


1. ******  The  203 at 172.17.4.22 calls 3525 at 172.17.4.22

U 2007/03/18 12:54:09.758887 172.17.2.11:5060 -> 172.17.4.22:5060
  INVITE sip:3525 at 172.17.4.22:5060 SIP/2.0..Via: SIP/2.0/UDP
172.17.2.11:5060
  ;branch=z9hG4bK3796032784-846..Max-Forwards: 70..Allow:
INVITE,OPTIONS,CANC
  EL,ACK,BYE,PRACK,INFO,REFER,NOTIFY..Supported: replaces..User-Agent:
Claro
  BS3202 A454..From: <sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To:
<sip
  :3525 at 172.17.4.22:5060>..Call-ID: 3795992784-846..CSeq: 2
INVITE..Contact:
  <sip:203 at 172.17.2.11:5060>..Content-Type:
application/sdp..Proxy-Authorizat
  ion: Digest
username="613",realm="172.17.4.22",nonce="45fd6fdd9e385352f9c63
 
342cc574c454939f3ca",uri="sip:3525 at 172.17.4.22:5060",response="7156ea61b
864
  a4ab937d17f42c7cd45a",algorithm=md5..Content-Length:
237....v=0..o=Claro 0
  1 IN IP4 172.17.2.11..s=Claro..c=IN IP4 172.17.2.11..t=0 0..m=audio
30006 R
  TP/AVP 0 101 120..a=rtpmap:0 PCMU/8000..a=rtpmap:101
TELEPHONE-EVENT/8000..
  a=fmtp:101 0-16..a=rtpmap:120 BSRTCP/8000..a=fmtp:120
ver2..a=sendrecv..

U 2007/03/18 12:54:09.766562 172.17.4.22:5060 -> 172.17.2.11:5060
  SIP/2.0 100 trying -- your call is important to us..Via: SIP/2.0/UDP
172.17
  .2.11:5060;branch=z9hG4bK3796032784-846..From:
<sip:203 at 172.17.4.22>;tag=hs
  sUA_3795992784-846..To: <sip:3525 at 172.17.4.22:5060>..Call-ID:
3795992784-84
  6..CSeq: 2 INVITE..Server: ClaroSIS (Openser 1.1.1
(i386/linux))..Content-L
  ength: 0..Warning: 392 172.17.4.22:5060 "Noisy feedback tells:
pid=4003 re
  q_src_ip=172.17.2.11 req_src_port=5060
in_uri=sip:3525 at 172.17.4.22:5060 out
  _uri=sip:3525 at 172.17.2.14;user=phone via_cnt==1"....

U 2007/03/18 12:54:09.766871 172.17.4.22:5060 -> 172.17.2.14:5060
  INVITE sip:3525 at 172.17.2.14;user=phone SIP/2.0..Record-Route:
<sip:172.17.4
  .22;lr=on;ftag=hssUA_3795992784-846;did=55f.4491d5b2>..Via:
SIP/2.0/UDP 172
  .17.4.22;branch=z9hG4bKbd8b.80bd0bc3.0..Via: SIP/2.0/UDP
172.17.2.11:5060;b
  ranch=z9hG4bK3796032784-846..Max-Forwards: 69..Allow:
INVITE,OPTIONS,CANCEL
  ,ACK,BYE,PRACK,INFO,REFER,NOTIFY..Supported: replaces..User-Agent:
Claro BS
  3202 A454..From: <sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To:
<sip:3
  525 at 172.17.4.22:5060>..Call-ID: 3795992784-846..CSeq: 2
INVITE..Contact: <s
  ip:203 at 172.17.2.11:5060>..Content-Type:
application/sdp..Content-Length: 23
  7....v=0..o=Claro 0 1 IN IP4 172.17.2.11..s=Claro..c=IN IP4
172.17.2.11..t=
  0 0..m=audio 30006 RTP/AVP 0 101 120..a=rtpmap:0
PCMU/8000..a=rtpmap:101 TE
  LEPHONE-EVENT/8000..a=fmtp:101 0-16..a=rtpmap:120
BSRTCP/8000..a=fmtp:120 v
  er2..a=sendrecv..

U 2007/03/18 12:54:09.772591 172.17.2.14:5060 -> 172.17.4.22:5060
  SIP/2.0 100 Trying..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bKbd8b.80bd0bc
  3.0..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3796032784-846..From:
  <sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To:
<sip:3525 at 172.17.4.22:5
  060>..Call-ID: 3795992784-846..CSeq: 2 INVITE..User-Agent: Grandstream
BT11
  0 1.0.8.16..Content-Length: 0....

U 2007/03/18 12:54:09.775043 172.17.2.14:5060 -> 172.17.4.22:5060
  SIP/2.0 180 Ringing..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bKbd8b.80bd0b
  c3.0..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3796032784-846..Recor
  d-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3795992784-846;did=55f.4491d5b2>
  ..From: <sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To:
<sip:3525 at 172.1
  7.4.22:5060>;tag=61645575ae245b55..Call-ID: 3795992784-846..CSeq: 2
INVITE.
  .User-Agent: Grandstream BT110 1.0.8.16..Content-Length: 0....

U 2007/03/18 12:54:09.777250 172.17.4.22:5060 -> 172.17.2.11:5060
  SIP/2.0 180 Ringing..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK379603
  2784-846..Record-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3795992784-846;di
  d=55f.4491d5b2>..From:
<sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To:
  <sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..Call-ID:
3795992784-846..
  CSeq: 2 INVITE..User-Agent: Grandstream BT110
1.0.8.16..Content-Length: 0..
  ..

U 2007/03/18 12:54:13.673700 172.17.2.14:5060 -> 172.17.4.22:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bKbd8b.80bd0bc3.0.
  .Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3796032784-846..Record-Rou
  te:
<sip:172.17.4.22;lr=on;ftag=hssUA_3795992784-846;did=55f.4491d5b2>..Fro
  m: <sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To:
<sip:3525 at 172.17.4.2
  2:5060>;tag=61645575ae245b55..Call-ID: 3795992784-846..CSeq: 2
INVITE..User
  -Agent: Grandstream BT110 1.0.8.16..Contact:
<sip:3525 at 172.17.2.14;user=pho
  ne>..Allow:
INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..Cont
  ent-Type: application/sdp..Supported: replaces..Content-Length:
153....v=0.
  .o=3525 8000 8000 IN IP4 172.17.2.14..s=SIP Call..c=IN IP4
172.17.2.14..t=0
   0..m=audio 5004 RTP/AVP 0..a=sendrecv..a=rtpmap:0
PCMU/8000..a=ptime:20..

U 2007/03/18 12:54:13.676298 172.17.4.22:5060 -> 172.17.2.11:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3796032784-
  846..Record-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3795992784-846;did=55f
  .4491d5b2>..From: <sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To:
<sip:
  3525 at 172.17.4.22:5060>;tag=61645575ae245b55..Call-ID:
3795992784-846..CSeq:
   2 INVITE..User-Agent: Grandstream BT110 1.0.8.16..Contact:
<sip:3525 at 172.1
  7.2.14:5060;user=phone>..Allow:
INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,
  INFO,SUBSCRIBE..Content-Type: application/sdp..Supported:
replaces..Content
  -Length: 153....v=0..o=3525 8000 8000 IN IP4 172.17.2.14..s=SIP
Call..c=IN
  IP4 172.17.2.14..t=0 0..m=audio 5004 RTP/AVP 0..a=sendrecv..a=rtpmap:0
PCMU
  /8000..a=ptime:20..

U 2007/03/18 12:54:13.721732 172.17.2.11:5060 -> 172.17.4.22:5060
  ACK sip:3525 at 172.17.2.14:5060;user=phone SIP/2.0..Via: SIP/2.0/UDP
172.17.2
  .11:5060;branch=z9hG4bK3799992784-846..Route:
<sip:172.17.4.22;lr=on;ftag=h
  ssUA_3795992784-846;did=55f.4491d5b2>..Max-Forwards:
70..Proxy-Authorizatio
  n: Digest
username="613",realm="172.17.4.22",nonce="45fd6fdd9e385352f9c6334
 
2cc574c454939f3ca",uri="sip:3525 at 172.17.4.22:5060",response="7156ea61b86
4a4
  ab937d17f42c7cd45a",algorithm=md5..User-Agent: Claro BS3202
A454..From: <si
  p:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To:
<sip:3525 at 172.17.4.22:5060
  >;tag=61645575ae245b55..Call-ID: 3795992784-846..CSeq: 2 ACK..Contact:
<sip
  :203 at 172.17.2.11:5060>..Content-Length: 0....

U 2007/03/18 12:54:13.724056 172.17.4.22:5060 -> 172.17.2.14:5060
  ACK sip:3525 at 172.17.2.14:5060;user=phone SIP/2.0..Record-Route:
<sip:172.17
  .4.22;lr=on;ftag=hssUA_3795992784-846>..Via: SIP/2.0/UDP
172.17.4.22;branch
  =z9hG4bKbd8b.80bd0bc3.2..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK37
  99992784-846..Max-Forwards: 69..Proxy-Authorization: Digest
username="613",
 
realm="172.17.4.22",nonce="45fd6fdd9e385352f9c63342cc574c454939f3ca",uri
="s
 
ip:3525 at 172.17.4.22:5060",response="7156ea61b864a4ab937d17f42c7cd45a",al
gor
  ithm=md5..User-Agent: Claro BS3202 A454..From:
<sip:203 at 172.17.4.22>;tag=hs
  sUA_3795992784-846..To:
<sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..C
  all-ID: 3795992784-846..CSeq: 2 ACK..Contact:
<sip:203 at 172.17.2.11:5060>..C
  ontent-Length: 0....

2. ******   The call is established. The did=55f.4491d5b2.
Now 3525 at 172.17.4.22 initiates call transfer. It sends re-INVITE in
order to mute
the call partner. The header filed Route contains did=55f.4491d5b2.

U 2007/03/18 12:54:16.394546 172.17.2.14:5060 -> 172.17.4.22:5060
  INVITE sip:203 at 172.17.2.11:5060 SIP/2.0..Via: SIP/2.0/UDP
172.17.2.14;branc
  h=z9hG4bKb9469def476f37f2..Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3795992
  784-846;did=55f.4491d5b2>..From:
<sip:3525 at 172.17.4.22:5060>;tag=61645575ae
  245b55..To: <sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..Contact:
<sip:3
  525 at 172.17.2.14;user=phone>..Supported: replaces..Call-ID:
3795992784-846..
  CSeq: 321 INVITE..User-Agent: Grandstream BT110
1.0.8.16..Max-Forwards: 70.
  .Allow:
INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..Content-
  Type: application/sdp..Content-Length: 320....v=0..o=3525 8000 8001 IN
IP4
  172.17.2.14..s=SIP Call..c=IN IP4 0.0.0.0..t=0 0..m=audio 5004 RTP/AVP
0 8
  18 4 99 2 9..a=sendonly..a=rtpmap:0 PCMU/8000..a=rtpmap:8
PCMA/8000..a=rtpm
  ap:18 G729/8000..a=rtpmap:4 G723/8000..a=rtpmap:99
iLBC/8000..a=fmtp:99 mod
  e=20..a=rtpmap:2 G726-32/8000..a=rtpmap:9 G722/16000..a=ptime:20..

U 2007/03/18 12:54:16.396983 172.17.4.22:5060 -> 172.17.2.14:5060
  SIP/2.0 100 trying -- your call is important to us..Via: SIP/2.0/UDP
172.17
  .2.14;branch=z9hG4bKb9469def476f37f2..From:
<sip:3525 at 172.17.4.22:5060>;tag
  =61645575ae245b55..To:
<sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..Call
  -ID: 3795992784-846..CSeq: 321 INVITE..Server: ClaroSIS (Openser 1.1.1
(i38
  6/linux))..Content-Length: 0..Warning: 392 172.17.4.22:5060 "Noisy
feedback
   tells:  pid=3997 req_src_ip=172.17.2.14 req_src_port=5060
in_uri=sip:203 at 1
  72.17.2.11:5060 out_uri=sip:203 at 172.17.2.11:5060 via_cnt==1"....

3. ******   OpenSer sends the re-INVITE to the transferee. Please note,
that "did"
doesn't appear in the Record-Route. As result of that, BYE for this call
will
no have "did" parameter and the dialog will appear as not closed.

U 2007/03/18 12:54:16.397307 172.17.4.22:5060 -> 172.17.2.11:5060
  INVITE sip:203 at 172.17.2.11:5060 SIP/2.0..Record-Route:
<sip:172.17.4.22;lr=
  on;ftag=61645575ae245b55>..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bK4751.
  82bc6f96.0..Via: SIP/2.0/UDP
172.17.2.14;branch=z9hG4bKb9469def476f37f2..Fr
  om: <sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..To:
<sip:203 at 172.17.4
  .22>;tag=hssUA_3795992784-846..Contact:
<sip:3525 at 172.17.2.14;user=phone>..
  Supported: replaces..Call-ID: 3795992784-846..CSeq: 321
INVITE..User-Agent:
   Grandstream BT110 1.0.8.16..Max-Forwards: 69..Allow:
INVITE,ACK,CANCEL,BYE
  ,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..Content-Type:
application/sdp..Conten
  t-Length: 320....v=0..o=3525 8000 8001 IN IP4 172.17.2.14..s=SIP
Call..c=IN
   IP4 0.0.0.0..t=0 0..m=audio 5004 RTP/AVP 0 8 18 4 99 2
9..a=sendonly..a=rt
  pmap:0 PCMU/8000..a=rtpmap:8 PCMA/8000..a=rtpmap:18
G729/8000..a=rtpmap:4 G
  723/8000..a=rtpmap:99 iLBC/8000..a=fmtp:99 mode=20..a=rtpmap:2
G726-32/8000
  ..a=rtpmap:9 G722/16000..a=ptime:20..

U 2007/03/18 12:54:16.435210 172.17.2.11:5060 -> 172.17.4.22:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bK4751.82bc6f96.0,
  SIP/2.0/UDP 172.17.2.14;branch=z9hG4bKb9469def476f37f2..Record-Route:
<sip:
  172.17.4.22;lr=on;ftag=61645575ae245b55>..Server: Claro BS3202
A454..From:
  <sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..To:
<sip:203 at 172.17.4.22>
  ;tag=hssUA_3795992784-846..Call-ID: 3795992784-846..CSeq: 321
INVITE..Conta
  ct: <sip:203 at 172.17.2.11:5060>..Allow:
INVITE,OPTIONS,CANCEL,ACK,BYE,PRACK,
  INFO,REFER,NOTIFY..Content-Type: application/sdp..Content-Length:
167....v=
  0..o=Claro 1174230681570 1174230681 IN IP4 172.17.2.11..s=Claro..c=IN
IP4 1
  72.17.2.11..t=0 0..m=audio 30006 RTP/AVP 0..a=rtpmap:0
PCMU/8000..a=ptime:2
  0..a=recvonly..

U 2007/03/18 12:54:16.436772 172.17.4.22:5060 -> 172.17.2.14:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP
172.17.2.14;branch=z9hG4bKb9469def476f37f2
  ..Record-Route: <sip:172.17.4.22;lr=on;ftag=61645575ae245b55>..Server:
Clar
  o BS3202 A454..From:
<sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..To:
  <sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..Call-ID:
3795992784-846..CS
  eq: 321 INVITE..Contact: <sip:203 at 172.17.2.11:5060>..Allow:
INVITE,OPTIONS,
  CANCEL,ACK,BYE,PRACK,INFO,REFER,NOTIFY..Content-Type:
application/sdp..Cont
  ent-Length: 167....v=0..o=Claro 1174230681570 1174230681 IN IP4
172.17.2.11
  ..s=Claro..c=IN IP4 172.17.2.11..t=0 0..m=audio 30006 RTP/AVP
0..a=rtpmap:0
   PCMU/8000..a=ptime:20..a=recvonly..

U 2007/03/18 12:54:16.443328 172.17.2.14:5060 -> 172.17.4.22:5060
  ACK sip:203 at 172.17.2.11:5060 SIP/2.0..Via: SIP/2.0/UDP
172.17.2.14;branch=z
  9hG4bK26b04409b72e06f9..Route:
<sip:172.17.4.22;lr=on;ftag=61645575ae245b55
  >..From: <sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..To:
<sip:203 at 172
  .17.4.22>;tag=hssUA_3795992784-846..Contact:
<sip:3525 at 172.17.2.14;user=pho
  ne>..Call-ID: 3795992784-846..CSeq: 321 ACK..User-Agent: Grandstream
BT110
  1.0.8.16..Max-Forwards: 70..Allow:
INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIO
  NS,INFO,SUBSCRIBE..Content-Length: 0....

U 2007/03/18 12:54:16.445463 172.17.4.22:5060 -> 172.17.2.11:5060
  ACK sip:203 at 172.17.2.11:5060 SIP/2.0..Record-Route:
<sip:172.17.4.22;lr=on;
  ftag=61645575ae245b55>..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bK4751.82b
  c6f96.2..Via: SIP/2.0/UDP
172.17.2.14;branch=z9hG4bK26b04409b72e06f9..From:
   <sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..To:
<sip:203 at 172.17.4.22
  >;tag=hssUA_3795992784-846..Contact:
<sip:3525 at 172.17.2.14;user=phone>..Cal
  l-ID: 3795992784-846..CSeq: 321 ACK..User-Agent: Grandstream BT110
1.0.8.16
  ..Max-Forwards: 69..Allow:
INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,
  SUBSCRIBE..Content-Length: 0....

U 2007/03/18 12:54:20.272078 172.17.2.14:5060 -> 172.17.4.22:5060
  REFER sip:203 at 172.17.2.11:5060 SIP/2.0..Via: SIP/2.0/UDP
172.17.2.14;branch
  =z9hG4bK9e02f3ad995f8245..Route:
<sip:172.17.4.22;lr=on;ftag=61645575ae245b
  55>..From: <sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..To:
<sip:203 at 1
  72.17.4.22>;tag=hssUA_3795992784-846..Contact:
<sip:3525 at 172.17.2.14;user=p
  hone>..Supported: replaces..Refer-To:
<sip:5524 at 172.17.4.22;user=phone>..Re
  ferred-By: <sip:3525 at 172.17.4.22;user=phone>..Call-ID:
3795992784-846..CSeq
  : 322 REFER..User-Agent: Grandstream BT110 1.0.8.16..Max-Forwards:
70..Allo
  w:
INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..Content-Lengt
  h: 0....

U 2007/03/18 12:54:20.275997 172.17.4.22:5060 -> 172.17.2.11:5060
  REFER sip:203 at 172.17.2.11:5060 SIP/2.0..Record-Route:
<sip:172.17.4.22;lr=o
  n;ftag=61645575ae245b55>..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bK1751.e
  223fee7.0..Via: SIP/2.0/UDP
172.17.2.14;branch=z9hG4bK9e02f3ad995f8245..Fro
  m: <sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..To:
<sip:203 at 172.17.4.
  22>;tag=hssUA_3795992784-846..Contact:
<sip:3525 at 172.17.2.14;user=phone>..S
  upported: replaces..Refer-To:
<sip:5524 at 172.17.4.22;user=phone>..Referred-B
  y: <sip:3525 at 172.17.4.22;user=phone>..Call-ID: 3795992784-846..CSeq:
322 RE
  FER..User-Agent: Grandstream BT110 1.0.8.16..Max-Forwards: 69..Allow:
INVIT
  E,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..Content-Length:
0....

U 2007/03/18 12:54:20.323290 172.17.2.11:5060 -> 172.17.4.22:5060
  INVITE sip:5524 at 172.17.4.22;user=phone SIP/2.0..Via: SIP/2.0/UDP
172.17.2.1
  1:5060;branch=z9hG4bK3806597784-846..Max-Forwards: 70..Allow:
INVITE,OPTION
  S,CANCEL,ACK,BYE,PRACK,INFO,REFER,NOTIFY..Supported: replaces..From:
<sip:2
  03 at 172.17.4.22>;tag=hssUA_3806597784-846..To:
<sip:5524 at 172.17.4.22;user=ph
  one>..Call-ID: 3806597784-846..CSeq: 1 INVITE..Contact:
<sip:203 at 172.17.2.1
  1:5060>..Referred-By: <sip:3525 at 172.17.4.22;user=phone>..Content-Type:
appl
  ication/sdp..Content-Length: 237....v=0..o=Claro 0 1 IN IP4
172.17.2.11..s=
  Claro..c=IN IP4 172.17.2.11..t=0 0..m=audio 30006 RTP/AVP 0 101
120..a=rtpm
  ap:0 PCMU/8000..a=rtpmap:101 TELEPHONE-EVENT/8000..a=fmtp:101
0-16..a=rtpma
  p:120 BSRTCP/8000..a=fmtp:120 ver2..a=sendrecv..

U 2007/03/18 12:54:20.324935 172.17.4.22:5060 -> 172.17.2.11:5060
  SIP/2.0 407 Proxy Authentication Required..Via: SIP/2.0/UDP
172.17.2.11:506
  0;branch=z9hG4bK3806597784-846..From:
<sip:203 at 172.17.4.22>;tag=hssUA_38065
  97784-846..To:
<sip:5524 at 172.17.4.22;user=phone>;tag=329cfeaa6ded039da25ff8
  cbb8668bd2.dc60..Call-ID: 3806597784-846..CSeq: 1
INVITE..Proxy-Authenticat
  e: Digest realm="172.17.4.22",
nonce="45fd6fe80721e4ce9c9b2eef4c93a66ef88b9
  f2c"..Server: ClaroSIS (Openser 1.1.1 (i386/linux))..Content-Length:
0..War
  ning: 392 172.17.4.22:5060 "Noisy feedback tells:  pid=4001
req_src_ip=172.
  17.2.11 req_src_port=5060 in_uri=sip:5524 at 172.17.4.22;user=phone
out_uri=si
  p:5524 at 172.17.4.22;user=phone via_cnt==1"....

U 2007/03/18 12:54:20.328647 172.17.2.11:5060 -> 172.17.4.22:5060
  SIP/2.0 202 Accepted..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bK1751.e223f
  ee7.0,SIP/2.0/UDP
172.17.2.14;branch=z9hG4bK9e02f3ad995f8245..Record-Route:
   <sip:172.17.4.22;lr=on;ftag=61645575ae245b55>..From:
<sip:3525 at 172.17.4.22
  :5060>;tag=61645575ae245b55..To:
<sip:203 at 172.17.4.22>;tag=hssUA_3795992784
  -846..Call-ID: 3795992784-846..CSeq: 322 REFER..Contact:
<sip:203 at 172.17.2.
  11:5060>..Content-Length: 0....

U 2007/03/18 12:54:20.330099 172.17.4.22:5060 -> 172.17.2.14:5060
  SIP/2.0 202 Accepted..Via: SIP/2.0/UDP
172.17.2.14;branch=z9hG4bK9e02f3ad99
  5f8245..Record-Route:
<sip:172.17.4.22;lr=on;ftag=61645575ae245b55>..From:
  <sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..To:
<sip:203 at 172.17.4.22>
  ;tag=hssUA_3795992784-846..Call-ID: 3795992784-846..CSeq: 322
REFER..Contac
  t: <sip:203 at 172.17.2.11:5060>..Content-Length: 0....

U 2007/03/18 12:54:20.351529 172.17.2.11:5060 -> 172.17.4.22:5060
  ACK sip:5524 at 172.17.4.22;user=phone SIP/2.0..Via: SIP/2.0/UDP
172.17.2.11:5
  060;branch=z9hG4bK3806597784-846..Max-Forwards: 70..User-Agent: Claro
BS320
  2 A454..From: <sip:203 at 172.17.4.22>;tag=hssUA_3806597784-846..To:
<sip:5524
 
@172.17.4.22;user=phone>;tag=329cfeaa6ded039da25ff8cbb8668bd2.dc60..Call
-ID
  : 3806597784-846..CSeq: 1 ACK..Contact:
<sip:203 at 172.17.2.11:5060>..Content
  -Length: 0....

U 2007/03/18 12:54:20.364969 172.17.2.11:5060 -> 172.17.4.22:5060
  INVITE sip:5524 at 172.17.4.22;user=phone SIP/2.0..Via: SIP/2.0/UDP
172.17.2.1
  1:5060;branch=z9hG4bK3806642784-846..Max-Forwards: 70..Allow:
INVITE,OPTION
  S,CANCEL,ACK,BYE,PRACK,INFO,REFER,NOTIFY..Supported:
replaces..User-Agent:
  Claro BS3202 A454..From:
<sip:203 at 172.17.4.22>;tag=hssUA_3806597784-846..To
  : <sip:5524 at 172.17.4.22;user=phone>..Call-ID: 3806597784-846..CSeq: 2
INVIT
  E..Contact: <sip:203 at 172.17.2.11:5060>..Content-Type:
application/sdp..Prox
  y-Authorization: Digest
username="613",realm="172.17.4.22",nonce="45fd6fe80
 
721e4ce9c9b2eef4c93a66ef88b9f2c",uri="sip:5524 at 172.17.4.22",response="3f
b20
  f7d6e67668e07b862b99412162d",algorithm=md5..Content-Length:
237....v=0..o=C
  laro 0 1 IN IP4 172.17.2.11..s=Claro..c=IN IP4 172.17.2.11..t=0
0..m=audio
  30006 RTP/AVP 0 101 120..a=rtpmap:0 PCMU/8000..a=rtpmap:101
TELEPHONE-EVENT
  /8000..a=fmtp:101 0-16..a=rtpmap:120 BSRTCP/8000..a=fmtp:120
ver2..a=sendre
  cv..

U 2007/03/18 12:54:20.372610 172.17.4.22:5060 -> 172.17.2.11:5060
  SIP/2.0 100 trying -- your call is important to us..Via: SIP/2.0/UDP
172.17
  .2.11:5060;branch=z9hG4bK3806642784-846..From:
<sip:203 at 172.17.4.22>;tag=hs
  sUA_3806597784-846..To: <sip:5524 at 172.17.4.22;user=phone>..Call-ID:
3806597
  784-846..CSeq: 2 INVITE..Server: ClaroSIS (Openser 1.1.1
(i386/linux))..Con
  tent-Length: 0..Warning: 392 172.17.4.22:5060 "Noisy feedback tells:
pid=4
  003 req_src_ip=172.17.2.11 req_src_port=5060
in_uri=sip:5524 at 172.17.4.22;us
  er=phone out_uri=sip:5524 at 172.17.2.168:5061 via_cnt==1"....

U 2007/03/18 12:54:20.372833 172.17.4.22:5060 -> 172.17.2.168:5061
  INVITE sip:5524 at 172.17.2.168:5061 SIP/2.0..Record-Route:
<sip:172.17.4.22;l
  r=on;ftag=hssUA_3806597784-846;did=0e3.7c5bd92>..Via: SIP/2.0/UDP
172.17.4.
  22;branch=z9hG4bK95c6.337d9f56.0..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=
  z9hG4bK3806642784-846..Max-Forwards: 69..Allow:
INVITE,OPTIONS,CANCEL,ACK,B
  YE,PRACK,INFO,REFER,NOTIFY..Supported: replaces..User-Agent: Claro
BS3202 A
  454..From: <sip:203 at 172.17.4.22>;tag=hssUA_3806597784-846..To:
<sip:5524 at 17
  2.17.4.22;user=phone>..Call-ID: 3806597784-846..CSeq: 2
INVITE..Contact: <s
  ip:203 at 172.17.2.11:5060>..Content-Type:
application/sdp..Content-Length: 23
  7....v=0..o=Claro 0 1 IN IP4 172.17.2.11..s=Claro..c=IN IP4
172.17.2.11..t=
  0 0..m=audio 30006 RTP/AVP 0 101 120..a=rtpmap:0
PCMU/8000..a=rtpmap:101 TE
  LEPHONE-EVENT/8000..a=fmtp:101 0-16..a=rtpmap:120
BSRTCP/8000..a=fmtp:120 v
  er2..a=sendrecv..

U 2007/03/18 12:54:20.385872 172.17.2.168:5061 -> 172.17.4.22:5060
  SIP/2.0 100 Trying..To: <sip:5524 at 172.17.4.22;user=phone>..From:
<sip:203 at 1
  72.17.4.22>;tag=hssUA_3806597784-846..Call-ID: 3806597784-846..CSeq: 2
INVI
  TE..Via: SIP/2.0/UDP 172.17.4.22;branch=z9hG4bK95c6.337d9f56.0..Via:
SIP/2.
  0/UDP 172.17.2.11:5060;branch=z9hG4bK3806642784-846..Record-Route:
<sip:172
  .17.4.22;lr=on;ftag=hssUA_3806597784-846;did=0e3.7c5bd92>..Server:
Linksys/
  PAP2-3.1.3(LS)..Content-Length: 0....

U 2007/03/18 12:54:20.393629 172.17.2.11:5060 -> 172.17.4.22:5060
  NOTIFY sip:3525 at 172.17.2.14;user=phone SIP/2.0..Via: SIP/2.0/UDP
172.17.2.1
  1:5060;branch=z9hG4bK3806672784-846..Route:
<sip:172.17.4.22;lr=on;ftag=hss
  UA_3795992784-846;did=55f.4491d5b2>..Max-Forwards:
70..Proxy-Authorization:
   Digest
username="613",realm="172.17.4.22",nonce="45fd6fdd9e385352f9c63342c
 
c574c454939f3ca",uri="sip:3525 at 172.17.4.22:5060",response="7156ea61b864a
4ab
  937d17f42c7cd45a",algorithm=md5..Allow:
INVITE,OPTIONS,CANCEL,ACK,BYE,PRACK
  ,INFO,REFER,NOTIFY..Supported: replaces..From:
<sip:203 at 172.17.4.22>;tag=hs
  sUA_3795992784-846..To:
<sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..C
  all-ID: 3795992784-846..CSeq: 3 NOTIFY..Contact:
<sip:203 at 172.17.2.11:5060>
  ..Event: refer..Subscription-State: active;expires=60..Content-Type:
messag
  e/sipfrag..Content-Length: 530....SIP/2.0 100 trying -- your call is
import
  ant to us..Via: SIP/2.0/UDP
172.17.2.11:5060;received=172.17.4.22;branch=z9
  hG4bK3806642784-846..From:
<sip:203 at 172.17.4.22>;tag=hssUA_3806597784-846..
  To: <sip:5524 at 172.17.4.22;user=phone>..Call-ID: 3806597784-846..CSeq:
2 INV
  ITE..Server: ClaroSIS (Openser 1.1.1 (i386/linux))..Content-Length:
0..Warn
  ing: 392 172.17.4.22:5060 "Noisy feedback tells:  pid=4003
req_src_ip=172.1
  7.2.11 req_src_port=5060 in_uri=sip:5524 at 172.17.4.22;user=phone
out_uri=sip
  :5524 at 172.17.2.168:5061 via_cnt==1"....

U 2007/03/18 12:54:20.396980 172.17.4.22:5060 -> 172.17.2.14:5060
  NOTIFY sip:3525 at 172.17.2.14;user=phone SIP/2.0..Record-Route:
<sip:172.17.4
  .22;lr=on;ftag=hssUA_3795992784-846>..Via: SIP/2.0/UDP
172.17.4.22;branch=z
  9hG4bKcd8b.81aaa3f3.0..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3806
  672784-846..Max-Forwards: 69..Proxy-Authorization: Digest
username="613",re
 
alm="172.17.4.22",nonce="45fd6fdd9e385352f9c63342cc574c454939f3ca",uri="
sip
 
:3525 at 172.17.4.22:5060",response="7156ea61b864a4ab937d17f42c7cd45a",algo
rit
  hm=md5..Allow:
INVITE,OPTIONS,CANCEL,ACK,BYE,PRACK,INFO,REFER,NOTIFY..Suppo
  rted: replaces..From:
<sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To: <
  sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..Call-ID:
3795992784-846..C
  Seq: 3 NOTIFY..Contact: <sip:203 at 172.17.2.11:5060>..Event:
refer..Subscript
  ion-State: active;expires=60..Content-Type:
message/sipfrag..Content-Length
  : 530....SIP/2.0 100 trying -- your call is important to us..Via:
SIP/2.0/U
  DP
172.17.2.11:5060;received=172.17.4.22;branch=z9hG4bK3806642784-846..From
  : <sip:203 at 172.17.4.22>;tag=hssUA_3806597784-846..To:
<sip:5524 at 172.17.4.22
  ;user=phone>..Call-ID: 3806597784-846..CSeq: 2 INVITE..Server:
ClaroSIS (Op
  enser 1.1.1 (i386/linux))..Content-Length: 0..Warning: 392
172.17.4.22:5060
   "Noisy feedback tells:  pid=4003 req_src_ip=172.17.2.11
req_src_port=5060
  in_uri=sip:5524 at 172.17.4.22;user=phone
out_uri=sip:5524 at 172.17.2.168:5061 v
  ia_cnt==1"....

U 2007/03/18 12:54:20.401630 172.17.2.168:5061 -> 172.17.4.22:5060
  SIP/2.0 180 Ringing..To:
<sip:5524 at 172.17.4.22;user=phone>;tag=8cb5cce9fbff
  0a22i1..From: <sip:203 at 172.17.4.22>;tag=hssUA_3806597784-846..Call-ID:
3806
  597784-846..CSeq: 2 INVITE..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bK95c6
  .337d9f56.0..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3806642784-846
  ..Record-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3806597784-846;did=0e3.7c
  5bd92>..Server: Linksys/PAP2-3.1.3(LS)..Content-Length: 0....

U 2007/03/18 12:54:20.403183 172.17.4.22:5060 -> 172.17.2.11:5060
  SIP/2.0 180 Ringing..To:
<sip:5524 at 172.17.4.22;user=phone>;tag=8cb5cce9fbff
  0a22i1..From: <sip:203 at 172.17.4.22>;tag=hssUA_3806597784-846..Call-ID:
3806
  597784-846..CSeq: 2 INVITE..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4b
  K3806642784-846..Record-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3806597784
  -846;did=0e3.7c5bd92>..Server: Linksys/PAP2-3.1.3(LS)..Content-Length:
0...
  .

U 2007/03/18 12:54:20.403878 172.17.2.14:5060 -> 172.17.4.22:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bKcd8b.81aaa3f3.0.
  .Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3806672784-846..Record-Rou
  te: <sip:172.17.4.22;lr=on;ftag=hssUA_3795992784-846>..From:
<sip:203 at 172.1
  7.4.22>;tag=hssUA_3795992784-846..To:
<sip:3525 at 172.17.4.22:5060>;tag=61645
  575ae245b55..Call-ID: 3795992784-846..CSeq: 3 NOTIFY..User-Agent:
Grandstre
  am BT110 1.0.8.16..Contact: <sip:3525 at 172.17.2.14;user=phone>..Allow:
INVIT
  E,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..Supported:
replaces..
  Content-Length: 0....

U 2007/03/18 12:54:20.407617 172.17.4.22:5060 -> 172.17.2.11:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3806672784-
  846..Record-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3795992784-846>..From:
   <sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To:
<sip:3525 at 172.17.4.22:
  5060>;tag=61645575ae245b55..Call-ID: 3795992784-846..CSeq: 3
NOTIFY..User-A
  gent: Grandstream BT110 1.0.8.16..Contact:
<sip:3525 at 172.17.2.14:5060;user=
  phone>..Allow:
INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..S
  upported: replaces..Content-Length: 0....

U 2007/03/18 12:54:20.429109 172.17.2.11:5060 -> 172.17.4.22:5060
  NOTIFY sip:3525 at 172.17.2.14;user=phone SIP/2.0..Via: SIP/2.0/UDP
172.17.2.1
  1:5060;branch=z9hG4bK3806702784-846..Route:
<sip:172.17.4.22;lr=on;ftag=hss
  UA_3795992784-846;did=55f.4491d5b2>..Max-Forwards:
70..Proxy-Authorization:
   Digest
username="613",realm="172.17.4.22",nonce="45fd6fdd9e385352f9c63342c
 
c574c454939f3ca",uri="sip:3525 at 172.17.4.22:5060",response="7156ea61b864a
4ab
  937d17f42c7cd45a",algorithm=md5..Allow:
INVITE,OPTIONS,CANCEL,ACK,BYE,PRACK
  ,INFO,REFER,NOTIFY..Supported: replaces..From:
<sip:203 at 172.17.4.22>;tag=hs
  sUA_3795992784-846..To:
<sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..C
  all-ID: 3795992784-846..CSeq: 4 NOTIFY..Contact:
<sip:203 at 172.17.2.11:5060>
  ..Event: refer..Subscription-State: active;expires=60..Content-Type:
messag
  e/sipfrag..Content-Length: 397....SIP/2.0 180 Ringing..To:
<sip:5524 at 172.17
  .4.22;user=phone>;tag=8cb5cce9fbff0a22i1..From:
<sip:203 at 172.17.4.22>;tag=h
  ssUA_3806597784-846..Call-ID: 3806597784-846..CSeq: 2 INVITE..Via:
SIP/2.0/
  UDP
172.17.2.11:5060;received=172.17.4.22;branch=z9hG4bK3806642784-846..Rec
  ord-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3806597784-846;did=0e3.7c5bd92
  >..Server: Linksys/PAP2-3.1.3(LS)..Content-Length: 0....

U 2007/03/18 12:54:20.431776 172.17.4.22:5060 -> 172.17.2.14:5060
  NOTIFY sip:3525 at 172.17.2.14;user=phone SIP/2.0..Record-Route:
<sip:172.17.4
  .22;lr=on;ftag=hssUA_3795992784-846>..Via: SIP/2.0/UDP
172.17.4.22;branch=z
  9hG4bK9d8b.47c7ce13.0..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3806
  702784-846..Max-Forwards: 69..Proxy-Authorization: Digest
username="613",re
 
alm="172.17.4.22",nonce="45fd6fdd9e385352f9c63342cc574c454939f3ca",uri="
sip
 
:3525 at 172.17.4.22:5060",response="7156ea61b864a4ab937d17f42c7cd45a",algo
rit
  hm=md5..Allow:
INVITE,OPTIONS,CANCEL,ACK,BYE,PRACK,INFO,REFER,NOTIFY..Suppo
  rted: replaces..From:
<sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To: <
  sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..Call-ID:
3795992784-846..C
  Seq: 4 NOTIFY..Contact: <sip:203 at 172.17.2.11:5060>..Event:
refer..Subscript
  ion-State: active;expires=60..Content-Type:
message/sipfrag..Content-Length
  : 397....SIP/2.0 180 Ringing..To:
<sip:5524 at 172.17.4.22;user=phone>;tag=8cb
  5cce9fbff0a22i1..From:
<sip:203 at 172.17.4.22>;tag=hssUA_3806597784-846..Call
  -ID: 3806597784-846..CSeq: 2 INVITE..Via: SIP/2.0/UDP
172.17.2.11:5060;rece
  ived=172.17.4.22;branch=z9hG4bK3806642784-846..Record-Route:
<sip:172.17.4.
  22;lr=on;ftag=hssUA_3806597784-846;did=0e3.7c5bd92>..Server:
Linksys/PAP2-3
  .1.3(LS)..Content-Length: 0....

U 2007/03/18 12:54:20.438291 172.17.2.14:5060 -> 172.17.4.22:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bK9d8b.47c7ce13.0.
  .Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3806702784-846..Record-Rou
  te: <sip:172.17.4.22;lr=on;ftag=hssUA_3795992784-846>..From:
<sip:203 at 172.1
  7.4.22>;tag=hssUA_3795992784-846..To:
<sip:3525 at 172.17.4.22:5060>;tag=61645
  575ae245b55..Call-ID: 3795992784-846..CSeq: 4 NOTIFY..User-Agent:
Grandstre
  am BT110 1.0.8.16..Contact: <sip:3525 at 172.17.2.14;user=phone>..Allow:
INVIT
  E,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..Supported:
replaces..
  Content-Length: 0....

U 2007/03/18 12:54:20.439954 172.17.4.22:5060 -> 172.17.2.11:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3806702784-
  846..Record-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3795992784-846>..From:
   <sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To:
<sip:3525 at 172.17.4.22:
  5060>;tag=61645575ae245b55..Call-ID: 3795992784-846..CSeq: 4
NOTIFY..User-A
  gent: Grandstream BT110 1.0.8.16..Contact:
<sip:3525 at 172.17.2.14:5060;user=
  phone>..Allow:
INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..S
  upported: replaces..Content-Length: 0....

U 2007/03/18 12:54:23.312128 172.17.2.168:5061 -> 172.17.4.22:5060
  SIP/2.0 200 OK..To:
<sip:5524 at 172.17.4.22;user=phone>;tag=8cb5cce9fbff0a22i
  1..From: <sip:203 at 172.17.4.22>;tag=hssUA_3806597784-846..Call-ID:
380659778
  4-846..CSeq: 2 INVITE..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bK95c6.337d
  9f56.0..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3806642784-846..Rec
  ord-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3806597784-846;did=0e3.7c5bd92
  >..Contact: 5524 <sip:5524 at 172.17.2.168:5061>..Server:
Linksys/PAP2-3.1.3(L
  S)..Content-Length: 210..Allow: ACK, BYE, CANCEL, INFO, INVITE,
NOTIFY, OPT
  IONS, REFER..Supported: x-sipura..Content-Type:
application/sdp....v=0..o=-
   23586680 23586680 IN IP4 172.17.2.168..s=-..c=IN IP4
172.17.2.168..t=0 0..
  m=audio 16388 RTP/AVP 0 101..a=rtpmap:0 PCMU/8000..a=rtpmap:101
telephone-e
  vent/8000..a=fmtp:101 0-15..a=ptime:30..a=sendrecv..

U 2007/03/18 12:54:23.313878 172.17.4.22:5060 -> 172.17.2.11:5060
  SIP/2.0 200 OK..To:
<sip:5524 at 172.17.4.22;user=phone>;tag=8cb5cce9fbff0a22i
  1..From: <sip:203 at 172.17.4.22>;tag=hssUA_3806597784-846..Call-ID:
380659778
  4-846..CSeq: 2 INVITE..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3806
  642784-846..Record-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3806597784-846;
  did=0e3.7c5bd92>..Contact: 5524 <sip:5524 at 172.17.2.168:5061>..Server:
Links
  ys/PAP2-3.1.3(LS)..Content-Length: 210..Allow: ACK, BYE, CANCEL, INFO,
INVI
  TE, NOTIFY, OPTIONS, REFER..Supported: x-sipura..Content-Type:
application/
  sdp....v=0..o=- 23586680 23586680 IN IP4 172.17.2.168..s=-..c=IN IP4
172.17
  .2.168..t=0 0..m=audio 16388 RTP/AVP 0 101..a=rtpmap:0
PCMU/8000..a=rtpmap:
  101 telephone-event/8000..a=fmtp:101 0-15..a=ptime:30..a=sendrecv..

U 2007/03/18 12:54:23.355581 172.17.2.11:5060 -> 172.17.4.22:5060
27646 at 0:1480
  ........NOTIFY sip:3525 at 172.17.2.14;user=phone SIP/2.0..Via:
SIP/2.0/UDP 17
  2.17.2.11:5060;branch=z9hG4bK3809632784-846..Route:
<sip:172.17.4.22;lr=on;
  ftag=hssUA_3795992784-846;did=55f.4491d5b2>..Max-Forwards:
70..Proxy-Author
  ization: Digest
username="613",realm="172.17.4.22",nonce="45fd6fdd9e385352f
 
9c63342cc574c454939f3ca",uri="sip:3525 at 172.17.4.22:5060",response="7156e
a61
  b864a4ab937d17f42c7cd45a",algorithm=md5..Allow:
INVITE,OPTIONS,CANCEL,ACK,B
  YE,PRACK,INFO,REFER,NOTIFY..Supported: replaces..From:
<sip:203 at 172.17.4.22
  >;tag=hssUA_3795992784-846..To:
<sip:3525 at 172.17.4.22:5060>;tag=61645575ae2
  45b55..Call-ID: 3795992784-846..CSeq: 5 NOTIFY..Contact:
<sip:203 at 172.17.2.
  11:5060>..Event: refer..Subscription-State:
terminated;reason=noresource..C
  ontent-Type: message/sipfrag..Content-Length: 756....SIP/2.0 200
OK..To: <s
  ip:5524 at 172.17.4.22;user=phone>;tag=8cb5cce9fbff0a22i1..From:
<sip:203 at 172.
  17.4.22>;tag=hssUA_3806597784-846..Call-ID: 3806597784-846..CSeq: 2
INVITE.
  .Via: SIP/2.0/UDP
172.17.2.11:5060;received=172.17.4.22;branch=z9hG4bK38066
  42784-846..Record-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3806597784-846;d
  id=0e3.7c5bd92>..Contact: 5524 <sip:5524 at 172.17.2.168:5061>..Server:
Linksy
  s/PAP2-3.1.3(LS)..Content-Length: 210..Allow:
ACK,BYE,CANCEL,INFO,INVITE,NO
  TIFY,OPTIONS,REFER..Supported: x-sipura..Content-Type:
application/sdp....v
  =0..o=- 23586680 23586680 IN IP4 172.17.2.168..s=-..c=IN IP4
172.17.2.168..
  t=0 0..m=audio 16388 RTP/AVP 0 101..a=rtpmap:0 PCMU/800

U 2007/03/18 12:54:23.361462 172.17.4.22:5060 -> 172.17.2.14:5060
50085 at 0:1480
  .....I..NOTIFY sip:3525 at 172.17.2.14;user=phone SIP/2.0..Record-Route:
<sip:
  172.17.4.22;lr=on;ftag=hssUA_3795992784-846>..Via: SIP/2.0/UDP
172.17.4.22;
  branch=z9hG4bKad8b.016fb321.0..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9h
  G4bK3809632784-846..Max-Forwards: 69..Proxy-Authorization: Digest
username=
 
"613",realm="172.17.4.22",nonce="45fd6fdd9e385352f9c63342cc574c454939f3c
a",
 
uri="sip:3525 at 172.17.4.22:5060",response="7156ea61b864a4ab937d17f42c7cd4
5a"
  ,algorithm=md5..Allow:
INVITE,OPTIONS,CANCEL,ACK,BYE,PRACK,INFO,REFER,NOTIF
  Y..Supported: replaces..From:
<sip:203 at 172.17.4.22>;tag=hssUA_3795992784-84
  6..To: <sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..Call-ID:
379599278
  4-846..CSeq: 5 NOTIFY..Contact: <sip:203 at 172.17.2.11:5060>..Event:
refer..S
  ubscription-State: terminated;reason=noresource..Content-Type:
message/sipf
  rag..Content-Length: 756....SIP/2.0 200 OK..To:
<sip:5524 at 172.17.4.22;user=
  phone>;tag=8cb5cce9fbff0a22i1..From:
<sip:203 at 172.17.4.22>;tag=hssUA_380659
  7784-846..Call-ID: 3806597784-846..CSeq: 2 INVITE..Via: SIP/2.0/UDP
172.17.
 
2.11:5060;received=172.17.4.22;branch=z9hG4bK3806642784-846..Record-Rout
e:
 
<sip:172.17.4.22;lr=on;ftag=hssUA_3806597784-846;did=0e3.7c5bd92>..Conta
ct:
   5524 <sip:5524 at 172.17.2.168:5061>..Server:
Linksys/PAP2-3.1.3(LS)..Content
  -Length: 210..Allow:
ACK,BYE,CANCEL,INFO,INVITE,NOTIFY,OPTIONS,REFER..Suppo
  rted: x-sipura..Content-Type: application/sdp....v=0..o=- 23586680
23586680
   IN IP4 172.17.2.168..s=-..c=IN IP4 172.17.2.168..t=0 0

U 2007/03/18 12:54:23.371944 172.17.2.11:5060 -> 172.17.4.22:5060
  ACK sip:5524 at 172.17.2.168:5061 SIP/2.0..Via: SIP/2.0/UDP
172.17.2.11:5060;b
  ranch=z9hG4bK3809647784-846..Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_38065
  97784-846;did=0e3.7c5bd92>..Max-Forwards: 70..Proxy-Authorization:
Digest u
 
sername="613",realm="172.17.4.22",nonce="45fd6fe80721e4ce9c9b2eef4c93a66
ef8
 
8b9f2c",uri="sip:5524 at 172.17.4.22",response="3fb20f7d6e67668e07b862b9941
216
  2d",algorithm=md5..User-Agent: Claro BS3202 A454..From:
<sip:203 at 172.17.4.2
  2>;tag=hssUA_3806597784-846..To:
<sip:5524 at 172.17.4.22;user=phone>;tag=8cb5
  cce9fbff0a22i1..Call-ID: 3806597784-846..CSeq: 2 ACK..Contact:
<sip:203 at 172
  .17.2.11:5060>..Content-Length: 0....

U 2007/03/18 12:54:23.372334 172.17.2.14:5060 -> 172.17.4.22:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bKad8b.016fb321.0.
  .Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3809632784-846..Record-Rou
  te: <sip:172.17.4.22;lr=on;ftag=hssUA_3795992784-846>..From:
<sip:203 at 172.1
  7.4.22>;tag=hssUA_3795992784-846..To:
<sip:3525 at 172.17.4.22:5060>;tag=61645
  575ae245b55..Call-ID: 3795992784-846..CSeq: 5 NOTIFY..User-Agent:
Grandstre
  am BT110 1.0.8.16..Contact: <sip:3525 at 172.17.2.14;user=phone>..Allow:
INVIT
  E,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..Supported:
replaces..
  Content-Length: 0....

U 2007/03/18 12:54:23.373917 172.17.4.22:5060 -> 172.17.2.168:5061
  ACK sip:5524 at 172.17.2.168:5061 SIP/2.0..Record-Route:
<sip:172.17.4.22;lr=o
  n;ftag=hssUA_3806597784-846>..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bK95
  c6.337d9f56.2..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3809647784-8
  46..Max-Forwards: 69..Proxy-Authorization: Digest
username="613",realm="172
 
.17.4.22",nonce="45fd6fe80721e4ce9c9b2eef4c93a66ef88b9f2c",uri="sip:5524
@17
 
2.17.4.22",response="3fb20f7d6e67668e07b862b99412162d",algorithm=md5..Us
er-
  Agent: Claro BS3202 A454..From:
<sip:203 at 172.17.4.22>;tag=hssUA_3806597784-
  846..To:
<sip:5524 at 172.17.4.22;user=phone>;tag=8cb5cce9fbff0a22i1..Call-ID:
   3806597784-846..CSeq: 2 ACK..Contact:
<sip:203 at 172.17.2.11:5060>..Content-
  Length: 0....

U 2007/03/18 12:54:23.375179 172.17.4.22:5060 -> 172.17.2.11:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3809632784-
  846..Record-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3795992784-846>..From:
   <sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..To:
<sip:3525 at 172.17.4.22:
  5060>;tag=61645575ae245b55..Call-ID: 3795992784-846..CSeq: 5
NOTIFY..User-A
  gent: Grandstream BT110 1.0.8.16..Contact:
<sip:3525 at 172.17.2.14:5060;user=
  phone>..Allow:
INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..S
  upported: replaces..Content-Length: 0....

4. ******   The message BYE doesn't have the did parameter.
U 2007/03/18 12:54:23.490685 172.17.2.14:5060 -> 172.17.4.22:5060
  BYE sip:203 at 172.17.2.11:5060 SIP/2.0..Via: SIP/2.0/UDP
172.17.2.14;branch=z
  9hG4bKa419f2aaf11a7b40..Route:
<sip:172.17.4.22;lr=on;ftag=61645575ae245b55
  >..From: <sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..To:
<sip:203 at 172
  .17.4.22>;tag=hssUA_3795992784-846..Supported: replaces..Call-ID:
379599278
  4-846..CSeq: 323 BYE..User-Agent: Grandstream BT110
1.0.8.16..Max-Forwards:
   70..Allow:
INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..Cont
  ent-Length: 0....

U 2007/03/18 12:54:23.494656 172.17.4.22:5060 -> 172.17.2.11:5060
  BYE sip:203 at 172.17.2.11:5060 SIP/2.0..Record-Route:
<sip:172.17.4.22;lr=on;
  ftag=61645575ae245b55>..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bK2751.609
  47d11.0..Via: SIP/2.0/UDP
172.17.2.14;branch=z9hG4bKa419f2aaf11a7b40..From:
   <sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..To:
<sip:203 at 172.17.4.22
  >;tag=hssUA_3795992784-846..Supported: replaces..Call-ID:
3795992784-846..C
  Seq: 323 BYE..User-Agent: Grandstream BT110 1.0.8.16..Max-Forwards:
69..All
  ow:
INVITE,ACK,CANCEL,BYE,NOTIFY,REFER,OPTIONS,INFO,SUBSCRIBE..Content-Leng
  th: 0....

U 2007/03/18 12:54:23.517688 172.17.2.11:5060 -> 172.17.4.22:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bK2751.60947d11.0,
  SIP/2.0/UDP 172.17.2.14;branch=z9hG4bKa419f2aaf11a7b40..Record-Route:
<sip:
  172.17.4.22;lr=on;ftag=61645575ae245b55>..Server: Claro BS3202
A454..From:
  <sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..To:
<sip:203 at 172.17.4.22>
  ;tag=hssUA_3795992784-846..Call-ID: 3795992784-846..CSeq: 323
BYE..Contact:
   <sip:203 at 172.17.2.11:5060>..Allow:
INVITE,OPTIONS,CANCEL,ACK,BYE,PRACK,INF
  O,REFER,NOTIFY..Content-Length: 0....

U 2007/03/18 12:54:23.519138 172.17.4.22:5060 -> 172.17.2.14:5060
  SIP/2.0 200 OK..Via: SIP/2.0/UDP
172.17.2.14;branch=z9hG4bKa419f2aaf11a7b40
  ..Record-Route: <sip:172.17.4.22;lr=on;ftag=61645575ae245b55>..Server:
Clar
  o BS3202 A454..From:
<sip:3525 at 172.17.4.22:5060>;tag=61645575ae245b55..To:
  <sip:203 at 172.17.4.22>;tag=hssUA_3795992784-846..Call-ID:
3795992784-846..CS
  eq: 323 BYE..Contact: <sip:203 at 172.17.2.11:5060>..Allow:
INVITE,OPTIONS,CAN
  CEL,ACK,BYE,PRACK,INFO,REFER,NOTIFY..Content-Length: 0....

U 2007/03/18 12:54:29.780666 172.17.2.11:5060 -> 172.17.4.22:5060
  BYE sip:5524 at 172.17.2.168:5061 SIP/2.0..Via: SIP/2.0/UDP
172.17.2.11:5060;b
  ranch=z9hG4bK3816062784-846..Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_38065
  97784-846;did=0e3.7c5bd92>..Max-Forwards: 70..Proxy-Authorization:
Digest u
 
sername="613",realm="172.17.4.22",nonce="45fd6fe80721e4ce9c9b2eef4c93a66
ef8
 
8b9f2c",uri="sip:5524 at 172.17.4.22",response="3fb20f7d6e67668e07b862b9941
216
  2d",algorithm=md5..User-Agent: Claro BS3202 A454..From:
<sip:203 at 172.17.4.2
  2>;tag=hssUA_3806597784-846..To:
<sip:5524 at 172.17.4.22;user=phone>;tag=8cb5
  cce9fbff0a22i1..Call-ID: 3806597784-846..CSeq: 3 BYE..Content-Length:
0....

U 2007/03/18 12:54:29.784698 172.17.4.22:5060 -> 172.17.2.168:5061
  BYE sip:5524 at 172.17.2.168:5061 SIP/2.0..Record-Route:
<sip:172.17.4.22;lr=o
  n;ftag=hssUA_3806597784-846>..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bKa5
  c6.704043c7.0..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3816062784-8
  46..Max-Forwards: 69..Proxy-Authorization: Digest
username="613",realm="172
 
.17.4.22",nonce="45fd6fe80721e4ce9c9b2eef4c93a66ef88b9f2c",uri="sip:5524
@17
 
2.17.4.22",response="3fb20f7d6e67668e07b862b99412162d",algorithm=md5..Us
er-
  Agent: Claro BS3202 A454..From:
<sip:203 at 172.17.4.22>;tag=hssUA_3806597784-
  846..To:
<sip:5524 at 172.17.4.22;user=phone>;tag=8cb5cce9fbff0a22i1..Call-ID:
   3806597784-846..CSeq: 3 BYE..Content-Length: 0....

U 2007/03/18 12:54:29.804689 172.17.2.168:5061 -> 172.17.4.22:5060
  SIP/2.0 200 OK..To:
<sip:5524 at 172.17.4.22;user=phone>;tag=8cb5cce9fbff0a22i
  1..From: <sip:203 at 172.17.4.22>;tag=hssUA_3806597784-846..Call-ID:
380659778
  4-846..CSeq: 3 BYE..Via: SIP/2.0/UDP
172.17.4.22;branch=z9hG4bKa5c6.704043c
  7.0..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3816062784-846..Record
  -Route: <sip:172.17.4.22;lr=on;ftag=hssUA_3806597784-846>..Server:
Linksys/
  PAP2-3.1.3(LS)..P-RTP-Stat:
PS=146,OS=34640,PR=303,OR=48162,PL=1,JI=0,LA=10
  ,DU=6,EN=G711u,DE=G711u..Content-Length: 0....

U 2007/03/18 12:54:29.806174 172.17.4.22:5060 -> 172.17.2.11:5060
  SIP/2.0 200 OK..To:
<sip:5524 at 172.17.4.22;user=phone>;tag=8cb5cce9fbff0a22i
  1..From: <sip:203 at 172.17.4.22>;tag=hssUA_3806597784-846..Call-ID:
380659778
  4-846..CSeq: 3 BYE..Via: SIP/2.0/UDP
172.17.2.11:5060;branch=z9hG4bK3816062
  784-846..Record-Route:
<sip:172.17.4.22;lr=on;ftag=hssUA_3806597784-846>..S
  erver: Linksys/PAP2-3.1.3(LS)..P-RTP-Stat:
PS=146,OS=34640,PR=303,OR=48162,
  PL=1,JI=0,LA=10,DU=6,EN=G711u,DE=G711u..Content-Length: 0....

As you can see, the dialog (callid=3795992784-846) still exists...
 /usr/local/sbin/openserctl fifo dlg_list
200 OK
hash=3925, label=727521604, ptr=0x405c2d78
        state=3, timeout=236218
        callid='3795992784-846'
        from uri='sip:203 at 172.17.4.22', tag='hssUA_3795992784-846'
        to uri='sip:3525 at 172.17.4.22:5060', tag='61645575ae245b55'

Thnk you in advance,
Leonid Fainshtein

-----Original Message-----
From: Bogdan-Andrei Iancu [mailto:bogdan at voice-system.ro] 
Sent: Friday, March 16, 2007 2:51 PM
To: Leonid Fainshtein
Cc: users at openser.org
Subject: Re: [Users] Problem with dialog module

Hi Leonid,

what do you mean by "removes"?. When sequential requests are processed, 
the Route header corresponding to your server will be completely
removed.

regards,
bogdan

Leonid Fainshtein wrote:
> Hi,
> I see that when Openser 1.1 receives re-INVITE it removes parameter
> "did=" from header field Route before sending it to the second call
> party.
> Any idea?
>
> Thank you in advance,
> Leonid
>
>
> ********************************************
> This outgoing mail message was scanned by McAfee GroupShield Engine
>
>
> _______________________________________________
> Users mailing list
> Users at openser.org
> http://openser.org/cgi-bin/mailman/listinfo/users
>
>   


********************************************
This outgoing mail message was scanned by McAfee GroupShield Engine





More information about the sr-users mailing list