Re: [Serusers] PRACK

23 Jun 2005

Hi Dana

what you could try, is to allow PRACK to be relayed, The reason why the
call is disconnected is that PRACK is a "ACK" for provisional responses
if I have understud things right.

-atle

* Dana Turcanu &lt;dana_turcanu(a)yahoo.com&gt; [050623 09:54]:
...
     Hello,

 I have a problem with tow Cisco ATA 186 both having
 version v3.2. When I try to make a call on my side I
 hear that the phone is ringing 3 times and then the
 call is disconnected. On the other side, the telephone
 is ringing  10 times. I belive that the problem is
 when one Cisco sends a PRACK packet and and it receive
 "420 Bad request" from de sip server. Then the call is
 disconnected with error "504 Gateway Time-out". Below
 I put the logs from the tow ATAs. Any help in solving
 this problem will be appreciated.

   Thanks.

 Call from: 3327xxxx to 33271yyyy (log from the calling
 ATA):

 =====================================================
 050620|11:48:28 Calling 0332yyyy
 050620|11:48:28 SCC Cmd[0:0]CLIP
 050620|11:48:28 SCC Cmd[0:0]CALL
 050620|11:48:28 [0]INVITE Retry 0
 050620|11:48:28 [0:0]Tx Msg to ip_sip_proxy:5060
 050620|11:48:28
 050620|11:48:28 INVITE
 sip:0332yyyy@domain.com;user=phone SIP/2.0
 050620|11:48:28 Via: SIP/2.0/UDP
 ip_ata_1:5060;branch=z9hG4bK5ce290af84b14296
 050620|11:48:28 From: 
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:28 To:
 <sip:0332yyyy@domain.com;user=phone>
 050620|11:48:28 Call-ID: 2133411222@ip_ata_1
 050620|11:48:28 CSeq: 1 INVITE
 050620|11:48:28 Contact: 
 <sip:332xxxx@ip_ata_1:5060;user=phone;transport=udp>
 050620|11:48:28 User-Agent: Cisco ATA 186  v3.2.0
 atasip (041111A)
 050620|11:48:28 Expires: 300
 050620|11:48:28 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:28 Supported: 100rel,replaces
 050620|11:48:28 Content-Length: 236
 050620|11:48:28 Content-Type: application/sdp
 050620|11:48:28
 050620|11:48:28 v=0
 050620|11:48:28 o=332xxxx 57793347 57793347 IN IP4
 ip_ata_1
 050620|11:48:28 s=ATA186 Call
 050620|11:48:28 c=IN IP4 ip_ata_1
 050620|11:48:28 t=0 0
 050620|11:48:28 m=audio 16384 RTP/AVP 8 0 101
 050620|11:48:28 a=rtpmap:8 PCMA/8000/1
 050620|11:48:28 a=rtpmap:0 PCMU/8000/1
 050620|11:48:28 a=rtpmap:101 telephone-event/8000
 050620|11:48:28 a=fmtp:101 0-15
 050620|11:48:28
 050620|11:48:28 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:28
 050620|11:48:28 SIP/2.0 407 Proxy Authentication
 Required
 050620|11:48:28 Via: SIP/2.0/UDP
 ip_ata_1:5060;branch=z9hG4bK5ce290af84b14296;rport=5060;received=ip_ata_1_nat
 050620|11:48:28 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:28 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=fee886471600e72424ce85e67d30b332.6542
 050620|11:48:28 Call-ID: 2133411222@ip_ata_1
 050620|11:48:28 CSeq: 1 INVITE
 050620|11:48:28 Proxy-Authenticate: Digest
 realm="domain.com", nonce="rrrr"
 050620|11:48:28 Server: Sip EXpress router (0.8.14-5
 (i386/linux))
 050620|11:48:28 Content-Length: 0
 050620|11:48:28
 050620|11:48:28
 050620|11:48:28 Response=407; Proxy Authentication
 Required
 050620|11:48:28 [0]Tx INVITE to ip_sip_server:5060
 050620|11:48:28
 050620|11:48:28 ACK sip:0332yyyy@domain.com;user=phone
 SIP/2.0
 050620|11:48:28 Via: SIP/2.0/UDP
 ip_ata_1:5060;branch=z9hG4bK5ce290af84b14296
 050620|11:48:28 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:28 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=fee886471600e72424ce85e67d30b332.6542
 050620|11:48:28 Call-ID: 2133411222@ip_ata_1
 050620|11:48:28 CSeq: 1 ACK
 050620|11:48:28 User-Agent: Cisco ATA 186  v3.2.0
 atasip (041111A)
 050620|11:48:28 Content-Length: 0
 050620|11:48:28
 050620|11:48:28
 050620|11:48:28 [0]INVITE Retry 0
 050620|11:48:28 [0:0]Tx Msg to ip_sip_server:5060
 050620|11:48:28
 050620|11:48:28 INVITE
 sip:0332yyyy@domain.com;user=phone SIP/2.0
 050620|11:48:28 Via: SIP/2.0/UDP
 ip_ata_1:5060;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:28 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:28 To:
 <sip:0332yyyy@domain.com;user=phone>
 050620|11:48:28 Call-ID: 2133411222@ip_ata_1
 050620|11:48:28 CSeq: 2 INVITE
 050620|11:48:28 Contact:
 <sip:332xxxx@ip_ata_1:5060;user=phone;transport=udp>
 050620|11:48:28 User-Agent: Cisco ATA 186  v3.2.0
 atasip (041111A)
 050620|11:48:28 Proxy-Authorization: Digest

username="332xxxx",realm="domain.com",nonce="rrrr",uri="sip:03
 32yyyy(a)domain.com&quot;,response=&quot;ihuhuh&quot;
 050620|11:48:28 Expires: 300
 050620|11:48:28 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:28 Supported: 100rel,replaces
 050620|11:48:28 Content-Length: 236
 050620|11:48:28 Content-Type: application/sdp
 050620|11:48:28
 050620|11:48:28 v=0
 050620|11:48:28 o=332xxxx 57793355 57793355 IN IP4
 ip_ata_1
 050620|11:48:28 s=ATA186 Call
 050620|11:48:28 c=IN IP4 ip_ata_1
 050620|11:48:28 t=0 0
 050620|11:48:28 m=audio 16384 RTP/AVP 8 0 101
 050620|11:48:28 a=rtpmap:8 PCMA/8000/1
 050620|11:48:28 a=rtpmap:0 PCMU/8000/1
 050620|11:48:28 a=rtpmap:101 telephone-event/8000
 050620|11:48:28 a=fmtp:101 0-15
 050620|11:48:28
 050620|11:48:28 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:28
 050620|11:48:28 SIP/2.0 100 Trying
 050620|11:48:28 Via: SIP/2.0/UDP
 ip_ata_1:5060;branch=z9hG4bKf33e54a2a402e527;rport=5060;received=ip_ata_1_nat
 050620|11:48:28 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:28 To:
 <sip:0332yyyy@domain.com;user=phone>
 050620|11:48:28 Call-ID: 2133411222@ip_ata_1
 050620|11:48:28 CSeq: 2 INVITE
 050620|11:48:28 Server: Sip EXpress router (0.8.14-5
 (i386/linux))
 050620|11:48:28 Content-Length: 0
 050620|11:48:28
 050620|11:48:28
 050620|11:48:28 Response=100; Trying
 050620|11:48:29 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:29
 050620|11:48:29 SIP/2.0 100 trying -- your call is
 important to us
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_ata_1:5060;branch=z9hG4bKf33e54a2a402e527;rport=5060;received=ip_ata_1_nat
 050620|11:48:29 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:29 To:
 <sip:0332yyyy@domain.com;user=phone>
 050620|11:48:29 Call-ID: 2133411222@ip_ata_1
 050620|11:48:29 CSeq: 2 INVITE
 050620|11:48:29 Server: Sip EXpress router (0.8.14-5
 (i386/linux))
 050620|11:48:29 Content-Length: 0
 050620|11:48:29
 050620|11:48:29
 050620|11:48:29 Response=100; Trying
 050620|11:48:29 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:29
 050620|11:48:29 SIP/2.0 180 Ringing
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:29 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:29 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:29 Call-ID: 2133411222@ip_ata_1
 050620|11:48:29 CSeq: 2 INVITE
 050620|11:48:29 Require: 100rel
 050620|11:48:29 RSeq: 1
 050620|11:48:29 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:29 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:29 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:29 Content-Length: 0
 050620|11:48:29
 050620|11:48:29
 050620|11:48:29 Response=180; Ringing
 050620|11:48:29 SCC:ev=10[0:0] 3 0
 050620|11:48:29 [0]StartTone 3
 050620|11:48:29 [0]PRACK Retry 0
 050620|11:48:29 [0:0]Tx Msg to ip_sip_server:5060
 050620|11:48:29
 050620|11:48:29 PRACK
 sip:0332yyyy@domain.com;user=phone SIP/2.0
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_ata_1:5060;branch=z9hG4bK2b0f7845ea7a8edb
 050620|11:48:29 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:29 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:29 Call-ID: 2133411222@ip_ata_1
 050620|11:48:29 CSeq: 3 PRACK
 050620|11:48:29 RAck: 1 2 INVITE
 050620|11:48:29 User-Agent: Cisco ATA 186  v3.2.0
 atasip (041111A)
 050620|11:48:29 Proxy-Authorization: Digest

username="332xxxx",realm="domain.com",nonce="rrrr",uri="sip:03
 32yyyy(a)domain.com&quot;,response=&quot;tttt&quot;
 050620|11:48:29 Content-Length: 0
 050620|11:48:29
 050620|11:48:29
 050620|11:48:29 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:29
 050620|11:48:29 SIP/2.0 400 Bad request
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_ata_1:5060;branch=z9hG4bK2b0f7845ea7a8edb;rport=5060;received=ip_ata_1_nat
 050620|11:48:29 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:29 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:29 Call-ID: 2133411222@ip_ata_1
 050620|11:48:29 CSeq: 3 PRACK
 050620|11:48:29 Server: Sip EXpress router (0.8.14-5
 (i386/linux))
 050620|11:48:29 Content-Length: 0
 050620|11:48:29
 050620|11:48:29
 050620|11:48:29 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:29
 050620|11:48:29 SIP/2.0 180 Ringing
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:29 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:29 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:29 Call-ID: 2133411222@ip_ata_1
 050620|11:48:29 CSeq: 2 INVITE
 050620|11:48:29 Require: 100rel
 050620|11:48:29 RSeq: 1
 050620|11:48:29 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:29 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:29 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:29 Content-Length: 0
 050620|11:48:29
 050620|11:48:29
 050620|11:48:29 Response=180; Ringing
 050620|11:48:30 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:30
 050620|11:48:30 SIP/2.0 180 Ringing
 050620|11:48:30 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:30 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:30 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:30 Call-ID: 2133411222@ip_ata_1
 050620|11:48:30 CSeq: 2 INVITE
 050620|11:48:30 Require: 100rel
 050620|11:48:30 RSeq: 1
 050620|11:48:30 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:30 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:30 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:30 Content-Length: 0
 050620|11:48:30
 050620|11:48:30
 050620|11:48:30 Response=180; Ringing
 050620|11:48:32 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:32
 050620|11:48:32 SIP/2.0 180 Ringing
 050620|11:48:32 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:32 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:32 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:32 Call-ID: 2133411222@ip_ata_1
 050620|11:48:32 CSeq: 2 INVITE
 050620|11:48:32 Require: 100rel
 050620|11:48:32 RSeq: 1
 050620|11:48:32 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:32 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:32 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:32 Content-Length: 0
 050620|11:48:32
 050620|11:48:32
 050620|11:48:33 Response=180; Ringing
 050620|11:48:35 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:35
 050620|11:48:35 SIP/2.0 180 Ringing
 050620|11:48:35 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:35 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:35 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:35 Call-ID: 2133411222@ip_ata_1
 050620|11:48:35 CSeq: 2 INVITE
 050620|11:48:35 Require: 100rel
 050620|11:48:35 RSeq: 1
 050620|11:48:35 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:35 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:35 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:35 Content-Length: 0
 050620|11:48:35
 050620|11:48:35
 050620|11:48:35 Response=180; Ringing
 050620|11:48:37 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:37
 050620|11:48:37 SIP/2.0 180 Ringing
 050620|11:48:37 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:37 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:37 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:37 Call-ID: 2133411222@ip_ata_1
 050620|11:48:37 CSeq: 2 INVITE
 050620|11:48:37 Require: 100rel
 050620|11:48:37 RSeq: 1
 050620|11:48:37 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:37 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:37 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:37 Content-Length: 0
 050620|11:48:37
 050620|11:48:37
 050620|11:48:37 Response=180; Ringing
 050620|11:48:39 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:39
 050620|11:48:39 SIP/2.0 180 Ringing
 050620|11:48:39 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:39 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:39 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:39 Call-ID: 2133411222@ip_ata_1
 050620|11:48:39 CSeq: 2 INVITE
 050620|11:48:39 Require: 100rel
 050620|11:48:39 RSeq: 1
 050620|11:48:39 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:39 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:39 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:39 Content-Length: 0
 050620|11:48:39
 050620|11:48:39
 050620|11:48:39 Response=180; Ringing
 050620|11:48:41 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:41
 050620|11:48:41 SIP/2.0 180 Ringing
 050620|11:48:41 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:41 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:41 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:41 Call-ID: 2133411222@ip_ata_1
 050620|11:48:41 CSeq: 2 INVITE
 050620|11:48:41 Require: 100rel
 050620|11:48:41 RSeq: 1
 050620|11:48:41 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:41 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:41 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:41 Content-Length: 0
 050620|11:48:41
 050620|11:48:41
 050620|11:48:41 Response=180; Ringing
 050620|11:48:43 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:43
 050620|11:48:43 SIP/2.0 504 Gateway Time-out
 050620|11:48:43 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:43 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:43 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:43 Call-ID: 2133411222@ip_ata_1
 050620|11:48:43 CSeq: 2 INVITE
 050620|11:48:43 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:43 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:43 Content-Length: 0
 050620|11:48:43
 050620|11:48:43
 050620|11:48:43 Response=504; Gateway Time-out
 050620|11:48:43 [0:0]Tx Msg to ip_sip_server:5060
 050620|11:48:43
 050620|11:48:43 ACK sip:0332yyyy@domain.com;user=phone
 SIP/2.0
 050620|11:48:43 Via: SIP/2.0/UDP
 ip_ata_1:5060;branch=z9hG4bK3504d15d5210ae37
 050620|11:48:43 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:43 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:43 Call-ID: 2133411222@ip_ata_1
 050620|11:48:43 CSeq: 2 ACK
 050620|11:48:43 User-Agent: Cisco ATA 186  v3.2.0
 atasip (041111A)
 050620|11:48:43 Proxy-Authorization: Digest

username="332xxxx",realm="domain.com",nonce="tttt",uri="sip:03
 32yyyy(a)domain.com&quot;,response=&quot;rrrr&quot;
 050620|11:48:43 Content-Length: 0
 050620|11:48:43
 050620|11:48:43
 050620|11:48:43 change next hop[0]: c = 4
 050620|11:48:43 All PriObProxy down
 050620|11:48:43 No AltObProxy
 050620|11:48:43 INVITE failed
 050620|11:48:43 SCC:ev=7[0:0] 3 0
 050620|11:48:43 [0]StartTone 2
 050620|11:48:43 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:43
 050620|11:48:43 SIP/2.0 504 Gateway Time-out
 050620|11:48:43 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:43 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:43 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:43 Call-ID: 2133411222@ip_ata_1
 050620|11:48:43 CSeq: 2 INVITE
 050620|11:48:43 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:43 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:43 Content-Length: 0
 050620|11:48:43
 050620|11:48:43
 050620|11:48:45 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:45
 050620|11:48:45 SIP/2.0 504 Gateway Time-out
 050620|11:48:45 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:45 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:45 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:45 Call-ID: 2133411222@ip_ata_1
 050620|11:48:45 CSeq: 2 INVITE
 050620|11:48:45 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:45 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:45 Content-Length: 0
 050620|11:48:45
 050620|11:48:45
 050620|11:48:49 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:49
 050620|11:48:49 SIP/2.0 504 Gateway Time-out
 050620|11:48:49 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:49 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:49 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:49 Call-ID: 2133411222@ip_ata_1
 050620|11:48:49 CSeq: 2 INVITE
 050620|11:48:49 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:49 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:49 Content-Length: 0
 050620|11:48:49
 050620|11:48:49
 050620|11:48:53 [0]Rx Msg from ip_sip_server:5060
 050620|11:48:53
 050620|11:48:53 SIP/2.0 504 Gateway Time-out
 050620|11:48:53 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:53 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:53 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:53 Call-ID: 2133411222@ip_ata_1
 050620|11:48:53 CSeq: 2 INVITE
 050620|11:48:53 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:53 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:53 Content-Length: 0
 050620|11:48:53
 050620|11:48:53
 050620|11:48:54 [0]StopTone
 050620|11:48:54 SCC Cmd[0:0]RELEASE
 050620|11:48:54 CCBS expired
 050620|11:48:54 >>> SIP Soft Reset [0:0] <<<
 050620|11:48:54 [0]MPT mode 0
 =======================================================

 Call from 3327xxxx to 3327yyyy ( log from the called
 ATA):

 =======================================================
 050620|11:48:29 INVITE
 sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp
 SIP/2.0
 050620|11:48:29 Max-Forwards: 10
 050620|11:48:29 Record-Route:
 <sip:0332yyyy@ip_sip_server;ftag=2064987569;lr=on>
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_sip_server;branch=z9hG4bK03f9.fd903bc.0
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:29 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:29 To:
 <sip:0332yyyy@domain.com;user=phone>
 050620|11:48:29 Call-ID: 2133411222@ip_ata_1
 050620|11:48:29 CSeq: 2 INVITE
 050620|11:48:29 Contact:
 <sip:332xxxx@ip_ata_1_nat:5060;user=phone;transport=udp>
 050620|11:48:29 User-Agent: Cisco ATA 186  v3.2.0
 atasip (041111A)
 050620|11:48:29 Expires: 300
 050620|11:48:29 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:29 Supported: 100rel,replaces
 050620|11:48:29 Content-Length: 235
 050620|11:48:29 Content-Type: application/sdp
 050620|11:48:29
 050620|11:48:29 v=0
 050620|11:48:29 o=332xxxx 57793355 57793355 IN IP4
 ip_ata_1
 050620|11:48:29 s=ATA186 Call
 050620|11:48:29 c=IN IP4 81.180.201.50
 050620|11:48:29 t=0 0
 050620|11:48:29 m=audio 36540 RTP/AVP 8 0 101
 050620|11:48:29 a=rtpmap:8 PCMA/8000/1
 050620|11:48:29 a=rtpmap:0 PCMU/8000/1
 050620|11:48:29 a=rtpmap:101 telephone-event/8000
 050620|11:48:29 a=fmtp:101 0-15
 050620|11:48:29
 050620|11:48:29 AVT: payload=101
 050620|11:48:29 [1:0]Tx Msg to ip_sip_server:5060
 050620|11:48:29
 050620|11:48:29 SIP/2.0 100 Trying
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_sip_server;branch=z9hG4bK03f9.fd903bc.0
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:29 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:29 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:29 Call-ID: 2133411222@ip_ata_1
 050620|11:48:29 CSeq: 2 INVITE
 050620|11:48:29 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:29 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:29 Content-Length: 0
 050620|11:48:29
 050620|11:48:29
 050620|11:48:29 SCC:ev=21[1:0] 0 0
 050620|11:48:29 SCC:ev=5[1:0] 13 0
 050620|11:48:29 [1:0]RINGING
 050620|11:48:29 SCC Cmd[1:0]ALERT
 050620|11:48:29 [1]R2INV Retry 0
 050620|11:48:29 [1:0]Re-Tx Msg to ip_sip_server:5060
 050620|11:48:29
 050620|11:48:29 SIP/2.0 180 Ringing
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_sip_server;branch=z9hG4bK03f9.fd903bc.0
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:29 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:29 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:29 Call-ID: 2133411222@ip_ata_1
 050620|11:48:29 CSeq: 2 INVITE
 050620|11:48:29 Require: 100rel
 050620|11:48:29 RSeq: 1
 050620|11:48:29 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:29 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:29 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:29 Content-Length: 0
 050620|11:48:29
 050620|11:48:29
 050620|11:48:29 [1]R2INV Retry 1
 050620|11:48:29 [1:0]Re-Tx Msg to ip_sip_server:5060
 050620|11:48:29
 050620|11:48:29 SIP/2.0 180 Ringing
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_sip_server;branch=z9hG4bK03f9.fd903bc.0
 050620|11:48:29 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:29 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:29 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:29 Call-ID: 2133411222@ip_ata_1
 050620|11:48:29 CSeq: 2 INVITE
 050620|11:48:29 Require: 100rel
 050620|11:48:29 RSeq: 1
 050620|11:48:29 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:29 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:29 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:29 Content-Length: 0
 050620|11:48:29
 050620|11:48:29
 050620|11:48:30 [1]R2INV Retry 2
 050620|11:48:30 [1:0]Re-Tx Msg to ip_sip_server:5060
 050620|11:48:30
 050620|11:48:30 SIP/2.0 180 Ringing
 050620|11:48:30 Via: SIP/2.0/UDP
 ip_sip_server;branch=z9hG4bK03f9.fd903bc.0
 050620|11:48:30 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:30 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:30 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:30 Call-ID: 2133411222@ip_ata_1
 050620|11:48:30 CSeq: 2 INVITE
 050620|11:48:30 Require: 100rel
 050620|11:48:30 RSeq: 1
 050620|11:48:30 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:30 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:30 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:30 Content-Length: 0
 050620|11:48:30
 050620|11:48:30
 050620|11:48:32 [1]R2INV Retry 3
 050620|11:48:32 [1:0]Re-Tx Msg to ip_sip_server:5060
 050620|11:48:32
 050620|11:48:32 SIP/2.0 180 Ringing
 050620|11:48:32 Via: SIP/2.0/UDP
 ip_sip_server;branch=z9hG4bK03f9.fd903bc.0
 050620|11:48:32 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:32 From: 
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:32 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:32 Call-ID: 2133411222@ip_ata_1
 050620|11:48:32 CSeq: 2 INVITE
 050620|11:48:32 Require: 100rel
 050620|11:48:32 RSeq: 1
 050620|11:48:32 Contact: 
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:32 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:32 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:32 Content-Length: 0
 050620|11:48:32
 050620|11:48:32
 050620|11:48:34 [1]R2INV Retry 4
 050620|11:48:34 [1:0]Re-Tx Msg to ip_sip_server:5060
 050620|11:48:34
 050620|11:48:34 SIP/2.0 180 Ringing
 050620|11:48:34 Via: SIP/2.0/UDP
 ip_sip_server;branch=z9hG4bK03f9.fd903bc.0
 050620|11:48:34 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:34 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:34 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:34 Call-ID: 2133411222@ip_ata_1
 050620|11:48:34 CSeq: 2 INVITE
 050620|11:48:34 Require: 100rel
 050620|11:48:34 RSeq: 1
 050620|11:48:34 Contact: 
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:34 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:34 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:34 Content-Length: 0
 050620|11:48:34
 050620|11:48:34
 050620|11:48:36 [1]R2INV Retry 5
 050620|11:48:36 [1:0]Re-Tx Msg to ip_sip_server:5060
 050620|11:48:36
 050620|11:48:36 SIP/2.0 180 Ringing
 050620|11:48:36 Via: SIP/2.0/UDP
 ip_sip_server;branch=z9hG4bK03f9.fd903bc.0
 050620|11:48:36 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:36 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:36 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:36 Call-ID: 2133411222@ip_ata_1
 050620|11:48:36 CSeq: 2 INVITE
 050620|11:48:36 Require: 100rel
 050620|11:48:36 RSeq: 1
 050620|11:48:36 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:36 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:36 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:36 Content-Length: 0
 050620|11:48:36
 050620|11:48:36
 050620|11:48:38 [1]R2INV Retry 6
 050620|11:48:38 [1:0]Re-Tx Msg to ip_sip_server:5060
 050620|11:48:38
 050620|11:48:38 SIP/2.0 180 Ringing
 050620|11:48:38 Via: SIP/2.0/UDP
 ip_sip_server;branch=z9hG4bK03f9.fd903bc.0
 050620|11:48:38 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:39 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:39 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:39 Call-ID: 2133411222@ip_ata_1
 050620|11:48:39 CSeq: 2 INVITE
 050620|11:48:39 Require: 100rel
 050620|11:48:39 RSeq: 1
 050620|11:48:39 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:39 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:39 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:39 Content-Length: 0
 050620|11:48:39
 050620|11:48:39
 050620|11:48:41 [1]R2INV Retry 7
 050620|11:48:41 [1:0]Re-Tx Msg to ip_sip_server:5060
 050620|11:48:41
 050620|11:48:41 SIP/2.0 180 Ringing
 050620|11:48:41 Via: SIP/2.0/UDP
 ip_sip_server;branch=z9hG4bK03f9.fd903bc.0
 050620|11:48:41 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:41 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:41 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:41 Call-ID: 2133411222@ip_ata_1
 050620|11:48:41 CSeq: 2 INVITE
 050620|11:48:41 Require: 100rel
 050620|11:48:41 RSeq: 1
 050620|11:48:41 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>
 050620|11:48:41 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:41 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:41 Content-Length: 0
 050620|11:48:41
 050620|11:48:41
 050620|11:48:43 R2INV TO; NoAltProxy
 050620|11:48:43 [1:0]Provisional Response Timeout
 050620|11:48:43 [1:0]Tx Msg to ip_sip_server:5060
 050620|11:48:43
 050620|11:48:43 SIP/2.0 504 Gateway Time-out
 050620|11:48:43 Via: SIP/2.0/UDP
 ip_sip_server;branch=z9hG4bK03f9.fd903bc.0
 050620|11:48:43 Via: SIP/2.0/UDP
 ip_ata_1:5060;rport=5060;received=ip_ata_1_nat;branch=z9hG4bKf33e54a2a402e527
 050620|11:48:43 From: 
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:43 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:43 Call-ID: 2133411222@ip_ata_1
 050620|11:48:43 CSeq: 2 INVITE
 050620|11:48:43 Server: Cisco ATA 186  v3.2.0 atasip
 (041111A)
 050620|11:48:43 Allow: ACK, BYE, CANCEL, INVITE,
 NOTIFY, OPTIONS, REFER, REGISTER, PRACK, UPDATE
 050620|11:48:43 Content-Length: 0
 050620|11:48:43
 050620|11:48:43
 050620|11:48:43 reiniting next hop
 050620|11:48:43 Refresh DNS for sip.domain.com
 aaaaaaaa 0 0 0 0
 050620|11:48:43 Trying 1st IP ADDR aaaaaaaa
 050620|11:48:43 [1]Rx Msg from ip_sip_server:5060
 050620|11:48:43
 050620|11:48:43 ACK
 sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp
 SIP/2.0
 050620|11:48:43 Via: SIP/2.0/UDP
 ip_sip_server;branch=z9hG4bK03f9.fd903bc.0
 050620|11:48:43 From:
 <sip:332xxxx@domain.com;user=phone>;tag=2064987569
 050620|11:48:43 Call-ID: 2133411222@ip_ata_1
 050620|11:48:43 To:
 <sip:0332yyyy@domain.com;user=phone>;tag=811613285
 050620|11:48:43 CSeq: 2 ACK
 050620|11:48:43 User-Agent: Sip EXpress router
 050620|11:48:43 Content-Length: 0
 050620|11:48:43
 050620|11:48:43
 050620|11:48:43 RING: got ACK
 050620|11:48:43 9852:00;2,2,2,0,
 050620|11:48:44 Recv[0]: 60 2906 464960 0 94 0 0 0
 050620|11:48:44 Tx[0]: 60 2999 479840
 050620|11:48:50 [1]REGISTER Retry 0
 050620|11:48:50 [1:0]Tx Msg to ip_sip_server:5060
 050620|11:48:50
 050620|11:48:50 REGISTER sip:domain.com SIP/2.0
 050620|11:48:50 Via: SIP/2.0/UDP
 ip_ata_2:5060;branch=z9hG4bKb417bd8a1c3112b7
 050620|11:48:50 From:
 <sip:332yyyy@domain.com;user=phone>;tag=2612509671
 050620|11:48:50 To:
 <sip:332yyyy@domain.com;user=phone>
 050620|11:48:50 Call-ID: 2749858814@ip_ata_2
 050620|11:48:50 CSeq: 355 REGISTER
 050620|11:48:50 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>;expires=3600
 050620|11:48:50 User-Agent: Cisco ATA 186  v3.2.0
 atasip (041111A)
 050620|11:48:50 Authorization: Digest

username="332yyyy",realm="domain.com",nonce="42b678c1c05ddd4c6ff925bea0c9bb923c5ec1ee",uri="sip:domain.c
 om",response="asdasdd"
 050620|11:48:50 Content-Length: 0
 050620|11:48:50
 050620|11:48:50
 050620|11:48:50 [1]Rx Msg from ip_sip_server:5060
 050620|11:48:50
 050620|11:48:50 SIP/2.0 401 Unauthorized
 050620|11:48:50 Via: SIP/2.0/UDP
 ip_ata_2:5060;branch=z9hG4bKb417bd8a1c3112b7
 050620|11:48:50 From:
 <sip:332yyyy@domain.com;user=phone>;tag=2612509671
 050620|11:48:50 To:
 <sip:332yyyy@domain.com;user=phone>;tag=fee886471600e72424ce85e67d30b332.919f
 050620|11:48:50 Call-ID: 2749858814@ip_ata_2
 050620|11:48:50 CSeq: 355 REGISTER
 050620|11:48:50 WWW-Authenticate: Digest
 realm="domain.com", nonce="rrrr", stale=true
 050620|11:48:50 Server: Sip EXpress router
 050620|11:48:50 Content-Length: 0
 050620|11:48:50
 050620|11:48:50
 050620|11:48:50 [1]Reg Resp 401; Unauthorized
 050620|11:48:50 [1]REGISTER Retry 0
 050620|11:48:50 [1:0]Tx Msg to ip_sip_server:5060
 050620|11:48:50
 050620|11:48:50 REGISTER sip:domain.com SIP/2.0
 050620|11:48:50 Via: SIP/2.0/UDP
 ip_ata_2:5060;branch=z9hG4bK99467a1aab648880
 050620|11:48:50 From:
 <sip:332yyyy@domain.com;user=phone>;tag=2612509671
 050620|11:48:50 To:
 <sip:332yyyy@domain.com;user=phone>
 050620|11:48:50 Call-ID: 2749858814@ip_ata_2
 050620|11:48:50 CSeq: 356 REGISTER
 050620|11:48:50 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>;expires=3600
 050620|11:48:50 User-Agent: Cisco ATA 186  v3.2.0
 atasip (041111A)
 050620|11:48:50 Authorization: Digest

username="332yyyy",realm="domain.com",nonce="rrrr",uri="sip:domain.c
 om",response="sdfsdfsdffd"
 050620|11:48:50 Content-Length: 0
 050620|11:48:50
 050620|11:48:50
 050620|11:48:50 [1]Rx Msg from ip_sip_server:5060
 050620|11:48:50
 050620|11:48:50 SIP/2.0 200 OK
 050620|11:48:50 Via: SIP/2.0/UDP
 ip_ata_2:5060;branch=z9hG4bK99467a1aab648880
 050620|11:48:50 From:
 <sip:332yyyy@domain.com;user=phone>;tag=2612509671
 050620|11:48:50 To:
 <sip:332yyyy@domain.com;user=phone>;tag=fee886471600e72424ce85e67d30b332.6927
 050620|11:48:50 Call-ID: 2749858814@ip_ata_2
 050620|11:48:50 CSeq: 356 REGISTER
 050620|11:48:50 Contact:
 <sip:332yyyy@ip_ata_2:5060;user=phone;transport=udp>;q=0.00;expires=3600
 050620|11:48:50 Server: Sip EXpress router
 050620|11:48:50 Content-Length: 0
 050620|11:48:50
 050620|11:48:50
 050620|11:48:50 [1]Reg Resp 200; OK
 050620|11:48:50 [1]Reg OK (3600)

 ===========================================================

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Re: [Serusers] PRACK