[Serusers] UAs' interoperability with SER
George KAPELIOS
kapelios at yahoo.com
Thu Jul 31 13:40:08 CEST 2003
Using SER with Xlite softphone (either v.1.x or 2.0)
through the Internet, one-way communication is
experienced by the UA (only outgoing traffic is
possible).
The UAs are connected to the Internet via public IP
address and no firewall is enabled. The problem has
been replicated with 3 different users, over 3
different ISPs.
However, the same users, can always communicate
without problem over the same connections, using
Windows Messenger.
In both cases, I have captured (ngrep) the SIP packets
from the server port (see here after).
The topology of the SER and UAs, is as following:
UA1 -- public IP ---- Internet ---- NAT -- ATA186
(Xlite) (dialup) | (DSL)
or |
(Win Mes) |
|
Router(NAT)
|
DMZ
|
SER (listen on 5070 udp)
Could anyone take a look in the packets for Xlite and
Messenger and see what makes the first one acting as
being behind a firewall, while Win Messenger is
working properly ???
Thanks,
George
PS. Xlite is working properly with the SER in Intranet
environment.
===================================================
Windows Messenger
===================
U 62.4.193.25:3587 -> 10.0.0.9:5070
REGISTER sip:voiceglobe.net SIP/2.0..
Via: SIP/2.0/UDP 62.4.193.25:10616..
From:
<sip:kapelios at voiceglobe.net>;tag=8c67d569-eac2-4665-89bd-a800e64c9f52..
To: <sip:kapelios at voiceglobe.net>..
Call-ID:
9dc07f3f-4c48-48e4-8d56-a77b8dc5a044 at 62.4.193.25..
CSeq: 1 REGISTER..
Contact: <sip:62.4.193.25:10616>;methods="INVITE,
MESSAGE, INFO, SUBSCRIBE, OPTIONS, BYE, CANCEL,
NOTIFY, ACK"..
User-Agent: Windows RTC/1.0..
Expires: 1200..
Event: registration..
Allow-Events: presence..
Content-Length: 0....
#
U 10.0.0.9:5070 -> 62.4.193.25:10616
SIP/2.0 200 OK..
Via: SIP/2.0/UDP 62.4.193.25:10616..
From:
<sip:kapelios at voiceglobe.net>;tag=3efd91fa-22c4-4c78-bc54-8896cb8a4617..
To:
<sip:kapelios at voiceglobe.net>;tag=46a6e639fa02362ac1ba4fea686e961.7623..
Call-ID:
c8a90fea-69c9-4eb0-b0fa-46bcf1db4253 at 62.4.193.25..
CSeq: 2 REGISTER..
Contact: <sip:62.4.193.25:10616>;q=0.00;expires=1200..
Server: Sip EXpress router (0.8.11pre29
(i386/linux))..
Content-Length: 0..
Warning: 392 10.0.0.9:5070 "Noisy feedback tells:
pid=1155 req_src_ip=62.4.193.25
req_src_port=3588 in_uri=sip:voiceglobe.net
out_uri=sip:voiceglobe.net via_cnt==1"....
#
U 62.4.193.25:3588 -> 10.0.0.9:5070
INVITE sip:11111 at voiceglobe.net SIP/2.0..
Via: SIP/2.0/UDP 62.4.193.25:10616..
From: "kapelios"
<sip:kapelios at voiceglobe.net>;tag=2f2be407-7d38-4dd0-938b-068517646fd0..
To: <sip:11111 at voiceglobe.net>..
Call-ID:
54b641af-9616-481c-8e37-cb09797a266a at 62.4.193.25..
CSeq: 1 INVITE..
Contact: <sip:62.4.193.25:10616>..
User-Agent: Windows RTC/1.0..
Content-Type: application/sdp..
Content-Length: 293....
v=0..
o=i8200 0 0 IN IP4 62.4.193.25..
s=session..
c=IN IP4 62.4.193.25..
b=CT:32..
t=0 0..
m=audio 37890 RTP/AVP 97 111 4 3 101..
a=rtpmap:97 red/8000..
a=rtpmap:111 SIREN/16000..
a=fmtp:111 bitrate=16000..
a=rtpmap:4 G723/8000..
a=rtpmap:3 GSM/8000..
a=rtpmap:101 telephone-event/8000..
a=fmtp:101 0-16..
#
U 10.0.0.9:5070 -> 62.4.193.25:10616
SIP/2.0 100 trying -- your call is important to us..
Via: SIP/2.0/UDP 62.4.193.25:10616..
From: "kapelios"
<sip:kapelios at voiceglobe.net>;tag=2f2be407-7d38-4dd0-938b-068517646fd0..
To: <sip:11111 at voiceglobe.net>..
Call-ID:
54b641af-9616-481c-8e37-cb09797a266a at 62.4.193.25..
CSeq: 1 INVITE..
Server: Sip EXpress router (0.8.11pre29
(i386/linux))..
Content-Length: 0..
Warning: 392 10.0.0.9:5070 "Noisy feedback tells:
pid=1156 req_src_ip=62.4.193.25
req_src_port=3588 in_uri=sip:11111 at voiceglobe.net
out_uri=sip:autoanswer at 68.212.243.205:5060;transport=udp
via_cnt==1"....
#
U 10.0.0.9:5070 -> 68.212.243.205:5060
INVITE
sip:autoanswer at 68.212.243.205:5060;transport=udp
SIP/2.0..
Max-Forwards: 10..
Record-Route: <sip:11111 at 10.0.0.9:5070;
ftag=2f2be407-7d38-4dd0-938b-068517646fd0;lr>..
Via: SIP/2.0/UDP
10.0.0.9:5070;branch=z9hG4bK6adc.a29540c4.0..
Via: SIP/2.0/UDP 62.4.193.25:10616..
From: "kapelios"
<sip:kapelios at voiceglobe.net>;tag=2f2be407-7d38-4dd0-938b-068517646fd0..
To: <sip:11111 at voiceglobe.net>..
Call-ID:
54b641af-9616-481c-8e37-cb09797a266a at 62.4.193.25..
CSeq: 1 INVITE..
Contact: <sip:62.4.193.25:10616>..
User-Agent: Windows RTC/1.0..
Content-Type: application/sdp..
Content-Length: 293..
..
v=0..o=i8200 0 0 IN IP4 62.4.193.25..
s=session..
c=IN IP4 62.4.193.25..
b=CT:32..
t=0 0..
m=audio 37890 RTP/AVP 97 111 4 3 101..
a=rtpmap:97 red/8000..
a=rtpmap:111 SIREN/16000..
a=fmtp:111 bitrate=16000..
a=rtpmap:4 G723/8000..
a=rtpmap:3 GSM/8000..
a=rtpmap:101 telephone-event/8000..
a=fmtp:101 0-16..
#
U 68.212.243.205:5060 -> 10.0.0.9:5070
SIP/2.0 180 Ringing..
Via: SIP/2.0/UDP
10.0.0.9:5070;branch=z9hG4bK6adc.a29540c4.0..
Via: SIP/2.0/UDP 62.4.193.25:10616..
From: "kapelios"
<sip:kapelios at voiceglobe.net>;tag=2f2be407-7d38-4dd0-938b-068517646fd0..
To: <sip:11111 at voiceglobe.net>;tag=2796180519..
Call-ID:
54b641af-9616-481c-8e37-cb09797a266a at 62.4.193.25..
CSeq: 1 INVITE..
Server: Cisco ATA 186 v2.16 ata18x (030509f1)..
Content-Length: 0....
#
U 68.212.243.205:5060 -> 10.0.0.9:5070
SIP/2.0 200 OK..Via: SIP/2.0/UDP
10.0.0.9:5070;branch=z9hG4bK6adc.a29540c4.0..
Via: SIP/2.0/UDP 62.4.193.25:10616..
Record-Route:
<sip:11111 at 10.0.0.9:5070;ftag=2f2be407-7d38-4dd0-938b-068517646fd0;lr>..
From: "kapelios"
<sip:kapelios at voiceglobe.net>;tag=2f2be407-7d38-4dd0-938b-068517646fd0..
To: <sip:11111 at voiceglobe.net>;tag=2796180519..
Call-ID:
54b641af-9616-481c-8e37-cb09797a266a at 62.4.193.25..
CSeq: 1 INVITE..
Contact:
<sip:autoanswer at 68.212.243.205:5060;transport=udp>..
Server: Cisco ATA 186 v2.16 ata18x (030509f1)..
Content-Length: 201..
Content-Type: application/sdp..
..
v=0..
o=autoanswer 4767 4767 IN IP4 192.168.1.50..
s=ATA186 Call..
c=IN IP4 68.212.243.205..
t=0 0..
m=audio 20002 RTP/AVP 4 101..
a=rtpmap:4 G723/8000/1..
a=rtpmap:101 telephone-event/8000..
a=fmtp:101 0-15..
#
==================================================
X-Lite
========
U 62.4.193.25:5060 -> 10.0.0.9:5070
REGISTER sip:voiceglobe.net SIP/2.0..
Via: SIP/2.0/UDP 62.4.193.25:5060..
From: <sip:nikoline at voiceglobe.net>..
To: <sip:nikoline at voiceglobe.net>..
Contact: "G. Kapelios"
<sip:nikoline at 62.4.193.25:5060>..
Call-ID:
1F385A1BD0C648B381836793799E029A at voiceglobe.net..
CSeq: 16149 REGISTER..
Expires: 500..
User-Agent: X-Lite build 1011..
Content-Length: 0....
#
U 10.0.0.9:5070 -> 62.4.193.25:5060
SIP/2.0 200 OK..
Via: SIP/2.0/UDP 62.4.193.25:5060..
From: <sip:nikoline at voiceglobe.net>..
To: <sip:nikoline at voiceglobe.net>;
tag=46a6e639fa023622ac1ba4fea686e961.7d05..
Call-ID:
1F385A1BD0C648B381836793799E029A at voiceglobe.net..
CSeq: 16150 REGISTER..
Contact:
<sip:nikoline at 62.4.193.25:5060>;q=0.00;expires=500..
Server: Sip EXpress router (0.8.11pre29(i386/linux))..
Content-Length: 0..
Warning: 392 10.0.0.9:5070 "Noisy feedback tells:
pid=1156 req_src_ip=62.4.193.25
req_src_port=5060 in_uri=sip:voiceglobe.net
out_uri=sip:voiceglobe.net via_cnt==1"....
#
U 62.4.193.25:5060 -> 10.0.0.9:5070
INVITE sip:11111 at voiceglobe.net SIP/2.0..
Via: SIP/2.0/UDP 62.4.193.25:5060..
From: G. Kapelios
<sip:nikoline at voiceglobe.net>;tag=301448250..
To: <sip:11111 at voiceglobe.net>..
Contact: <sip:nikoline at 62.4.193.25:5060>..
Call-ID:
7BCE0A51-7CC0-4892-BB6E-F10E67CFA94E at 62.4.193.25..
CSeq: 18469 INVITE..
Content-Type: application/sdp..
User-Agent: X-Lite build 1011..
Content-Length: 290..
..
v=0..
o=nikoline 22941408 22941408 IN IP 4 62.4.193.25..
s=X-Lite..
c=IN IP4 62.4.193.25..
t=0 0..
m=audio 8000 RTP/AVP 0 8 3 98 97 101..
a=rtpmap:0 pcmu/8000..
a=rtpmap:8 pcma/8000..
a=rtpmap:3 gsm/8000..
a=rtpmap:98 iLBC..
a=rtpmap:97 speex/8000..
a=rtpmap:101 telephone-event/8000..
a=fmtp:101 0-15..
#
U 10.0.0.9:5070 -> 62.4.193.25:5060
SIP/2.0 100 trying -- your call is important to us..
Via: SIP/2.0/UDP 62.4.193.25:5060..
From: G. Kapelios
<sip:nikoline at voiceglobe.net>;tag=301448250..
To: <sip:11111 at voiceglobe.net>..
Call-ID:
7BCE0A51-7CC0-4892-BB6E-F10E67CFA94E at 62.4.193.25..
CSeq: 18469 INVITE..
Server: Sip EXpress router (0.8.11pre29
(i386/linux))..
Content-Length: 0..
Warning: 392 10.0.0.9:5070 "Noisy feedback tells:
pid=1155 req_src_ip=62.4.193.25
req_src_port=5060 in_uri=sip:11111 at voiceglobe.net
out_uri=sip:autoanswer at 68.212.243.205:5060;transport=udp
via_cnt==1"..
#
U 10.0.0.9:5070 -> 68.212.243.205:5060
INVITE
sip:autoanswer at 68.212.243.205:5060;transport=udp
SIP/2.0..
Max-Forwards: 10..Record-Route:
<sip:11111 at 10.0.0.9:5070;ftag=301448250;lr>..
Via: SIP/2.0/UDP
10.0.0.9:5070;branch=z9hG4bK1882.4c4fc6e3.0..
Via: SIP/2.0/UDP 62.4.193.25:5060..
From: G. Kapelios
<sip:nikoline at voiceglobe.net>;tag=301448250..
To: <sip:11111 at voiceglobe.net>..
Contact: <sip:nikoline at 62.4.193.25:5060>..
Call-ID:
7BCE0A51-7CC0-4892-BB6E-F10E67CFA94E at 62.4.193.25..
CSeq: 18469 INVITE..
Content-Type: application/sdp..User-Agent: X-Lite
build 1011..
Content-Length: 290..
..
v=0..
o=nikoline 22941408 22941408 IN IP4 62.4.193.25..
s=X-Lite..c=IN IP4 62.4.193.25..
t=0 0..
m=audio 8000 RTP/AVP 0 8 3 98 97 101..
a=rtpmap:0 pcmu/8000..
a=rtpmap:8 pcma/8000..
a=rtpmap:3 gsm/8000..
a=rtpmap:98 iLBC..
a=rtpmap:97 speex/8000..
a=rtpmap:101 telephone-event/8000..
a=fmtp:101 0-15..
#
U 68.212.243.205:5060 -> 10.0.0.9:5070
SIP/2.0 100 Trying..
Via: SIP/2.0/UDP
10.0.0.9:5070;branch=z9hG4bK1882.4c4fc6e3.0..
Via: SIP/2.0/UDP 62.4.193.25:5060..
From: G. Kapelios
<sip:nikoline at voiceglobe.net>;tag=301448250..
To: <sip:11111 at voiceglobe.net>;tag=1719463769..
Call-ID:
7BCE0A51-7CC0-4892-BB6E-F10E67CFA94E at 62.4.193.25..
CSeq: 18469 INVITE..
Server: Cisco ATA 186 v2.16 ata18x (030509f1)..
Content-Length: 0..
#
U 68.212.243.205:5060 -> 10.0.0.9:5070
SIP/2.0 180 Ringing..
Via: SIP/2.0/UDP
10.0.0.9:5070;branch=z9hG4bK1882.4c4fc6e3.0..
Via: SIP/2.0/UDP 62.4.193.25:5060..
From: G. Kapelios
<sip:nikoline at voiceglobe.net>;tag=301448250..
To: <sip:11111 at voiceglobe.net>;tag=1719463769..
Call-ID:
7BCE0A51-7CC0-4892-BB6E-F10E67CFA94E at 62.4.193.25..
CSeq: 18469 INVITE..Server: Cisco ATA 186 v2.16
ata18x (030509f1)..
Content-Length: 0..
#
U 68.212.243.205:5060 -> 10.0.0.9:5070
SIP/2.0 200 OK..
Via: SIP/2.0/UDP
10.0.0.9:5070;branch=z9hG4bK1882.4c4fc6e3.0..
Via: SIP/2.0/UDP 62.4.193.25:5060..
Record-Route:
<sip:11111 at 10.0.0.9:5070;ftag=301448250;lr>..
From: G. Kapelios
<sip:nikoline at voiceglobe.net>;tag=301448250..
To: <sip:11111 at voiceglobe.net>;tag=1719463769..
Call-ID:
7BCE0A51-7CC0-4892-BB6E-F10E67CFA94E at 62.4.193.25..
CSeq: 18469 INVITE..
Contact:
<sip:autoanswer at 68.212.243.205:5060;transport=udp>..
Server: Cisco ATA 186 v2.16 ata18x (030509f1)..
Content-Length: 201..
Content-Type: application/sdp..
..
v=0..
o=autoanswer 5988 5988 IN IP4 192.168.1.50..
s=ATA186 Call..c=IN IP4 68.212.243.205..
t=0 0..m=audio 20002 RTP/AVP 0 101..
a=rtpmap:0 PCMU/8000/1..
a=rtpmap:101 telephone-event/8000..
a=fmtp:101 0-15..
#
More information about the sr-users
mailing list