24 Feb
2004
24 Feb
'04
5:10 p.m.
Jan:
Thanks for replying!
CISCO: The sequence below will continue until
U 63.219.127.2:48523 -> 64.47.72.12:5060
INVITE sip:913037773456@64.47.72.12:5060 SIP/2.0..From: "3036797305"
<sip:3
036797305@sip2.claritycolorado.com:5060>;tag=zip4x5_866103480-5037..To: "91
3037773456" <sip:913037773456@64.47.72.12:5060>..Call-ID:
866103149-5037..C
Seq: 1 INVITE..Via: SIP/2.0/UDP 192.168.0.86:5060..Contact: 3036797305
<sip
:3036797305@192.168.0.86:5060>..Allow:
INVITE,BYE,CANCEL,ACK,OPTIONS,REGIST
ER,NOTIFY,MESSAGE,REFER..User-Agent: Zultys Linux Softphone
1.3.11..Content
-Type: application/sdp..Content-Length:
268....v=0..o=ZIP4x4-3036797305-1.3
.11 0 0 IN IP4 192.168.0.86..s=zultys media..c=IN IP4
192.168.0.86..t=0 0..
m=audio 33000 RTP/AVP 0 8 18 101..a=rtpmap:0 PCMU/8000..a=rtpmap:8
PCMA/800
0..a=rtpmap:18 G729/8000..a=rtpmap:101
telephone-event/8000..a=fmtp:101 0-1
5..a=ptime:20..
U 64.47.72.12:5060 -> 63.219.127.2:48523
SIP/2.0 100 trying -- your call is important to us..From: "3036797305"
<sip
:3036797305@sip2.claritycolorado.com:5060>;tag=zip4x5_866103480-5037..To: "
913037773456" <sip:913037773456@64.47.72.12:5060>..Call-ID:
866103149-5037.
.CSeq: 1 INVITE..Via: SIP/2.0/UDP
192.168.0.86:5060;rport=48523;received=63
.219.127.2..Server: Sip EXpress router (0.8.12
(i386/linux))..Content-Lengt
h: 0..Warning: 392 64.47.72.12:5060 "Noisy feedback tells: pid=17357
req_s
rc_ip=63.219.127.2 req_src_port=48523
in_uri=sip:913037773456@64.47.72.12:5
060 out_uri=sip:282713037773456@198.77.133.112:5060 via_cnt==1"....
U 64.47.72.12:5060 -> 198.77.133.112:5060
INVITE sip:282713037773456@198.77.133.112:5060 SIP/2.0..Max-Forwards:
10..R
ecord-Route:
<sip:913037773456@64.47.72.12;ftag=zip4x5_866103480-5037;lr=on
..From: "3036797305"
<sip:3036797305@sip2.claritycolorado.com:5060>;tag=zi
p4x5_866103480-5037..To: "913037773456"
<sip:913037773456@64.47.72.12:5060>
..Call-ID: 866103149-5037..CSeq: 1 INVITE..Via: SIP/2.0/UDP
64.47.72.12;bra
nch=z9hG4bK7eb1.35d4738.0..Via: SIP/2.0/UDP
192.168.0.86:5060;rport=48523;r
eceived=63.219.127.2..Contact: 3036797305
<sip:3036797305@63.219.127.2:4852
3>..Allow:
INVITE,BYE,CANCEL,ACK,OPTIONS,REGISTER,NOTIFY,MESSAGE,REFER..Use
r-Agent: Zultys Linux Softphone 1.3.11..Content-Type:
application/sdp..Cont
ent-Length: 288267....v=0..o=ZIP4x4-3036797305-1.3.11 0 0 IN IP4
192.168.0.
86..s=zultys media..c=IN IP4 64.47.72.12..t=0 0..m=audio 35440 RTP/AVP 0 8
18 101..a=rtpmap:0 PCMU/8000..a=rtpmap:8 PCMA/8000..a=rtpmap:18
G729/8000..
Sonus: This is a one time deal. One message one error.
U 63.219.127.2:48523 -> 64.47.72.12:5060
INVITE sip:613037773456@64.47.72.12:5060 SIP/2.0..From: "3036797305"
<sip:3
036797305@sip2.claritycolorado.com:5060>;tag=zip4x5_1051715498-5037..To: "6
13037773456" <sip:613037773456@64.47.72.12:5060>..Call-ID:
1051715222-5037.
.CSeq: 1 INVITE..Via: SIP/2.0/UDP 192.168.0.86:5060..Contact:
3036797305 <s
ip:3036797305@192.168.0.86:5060>..Allow:
INVITE,BYE,CANCEL,ACK,OPTIONS,REGI
STER,NOTIFY,MESSAGE,REFER..User-Agent: Zultys Linux Softphone
1.3.11..Conte
nt-Type: application/sdp..Content-Length:
268....v=0..o=ZIP4x4-3036797305-1
.3.11 0 0 IN IP4 192.168.0.86..s=zultys media..c=IN IP4
192.168.0.86..t=0 0
..m=audio 33000 RTP/AVP 0 8 18 101..a=rtpmap:0 PCMU/8000..a=rtpmap:8
PCMA/8
000..a=rtpmap:18 G729/8000..a=rtpmap:101
telephone-event/8000..a=fmtp:101 0
-15..a=ptime:20..
U 64.47.72.12:5060 -> 63.219.127.2:48523
SIP/2.0 100 trying -- your call is important to us..From: "3036797305"
<sip
:3036797305@sip2.claritycolorado.com:5060>;tag=zip4x5_1051715498-5037..To:
"613037773456" <sip:613037773456@64.47.72.12:5060>..Call-ID:
1051715222-503
7..CSeq: 1 INVITE..Via: SIP/2.0/UDP
192.168.0.86:5060;rport=48523;received=
63.219.127.2..Server: Sip EXpress router (0.8.12
(i386/linux))..Content-Len
gth: 0..Warning: 392 64.47.72.12:5060 "Noisy feedback tells:
pid=17456 req
_src_ip=63.219.127.2 req_src_port=48523
in_uri=sip:613037773456@64.47.72.12
:5060 out_uri=sip:13037773456@64.47.6.6:5060 via_cnt==1"....
U 64.47.72.12:5060 -> 64.47.6.6:5060
INVITE sip:13037773456@64.47.6.6:5060 SIP/2.0..Max-Forwards:
10..Record-Rou
te:
<sip:613037773456@64.47.72.12;ftag=zip4x5_1051715498-5037;lr=on>..From:
"3036797305"
<sip:3036797305@sip2.claritycolorado.com:5060>;tag=zip4x5_105
1715498-5037..To: "613037773456"
<sip:613037773456@64.47.72.12:5060>..Call-
ID: 1051715222-5037..CSeq: 1 INVITE..Via: SIP/2.0/UDP
64.47.72.12;branch=z9
hG4bKc368.66a8f6e2.0..Via: SIP/2.0/UDP
192.168.0.86:5060;rport=48523;receiv
ed=63.219.127.2..Contact: 3036797305
<sip:3036797305@63.219.127.2:48523>..A
llow:
INVITE,BYE,CANCEL,ACK,OPTIONS,REGISTER,NOTIFY,MESSAGE,REFER..User-Age
nt: Zultys Linux Softphone 1.3.11..Content-Type:
application/sdp..Content-L
ength: 288267....v=0..o=ZIP4x4-3036797305-1.3.11 0 0 IN IP4
192.168.0.86..s
=zultys media..c=IN IP4 64.47.72.12..t=0 0..m=audio 35442 RTP/AVP 0 8
18 10
1..a=rtpmap:0 PCMU/8000..a=rtpmap:8 PCMA/8000..a=rtpmap:18
G729/8000..a=rtp
map:101 telephone-event/8000..a=fmtp:101
0-15..a=ptime:20..a=direction:acti
ve..
U 64.47.6.6:5060 -> 64.47.72.12:5060
SIP/2.0 400 Bad Request..Via: SIP/2.0/UDP
64.47.72.12;branch=z9hG4bKc368.66
a8f6e2.0..Via: SIP/2.0/UDP
192.168.0.86:5060;rport=48523;received=63.219.12
7.2..From: "3036797305"
<sip:3036797305@sip2.claritycolorado.com:5060>;tag=
zip4x5_1051715498-5037..To: "613037773456"
<sip:613037773456@64.47.72.12:50
60>..Call-ID: 1051715222-5037..CSeq: 1 INVITE..Content-Length: 0....
Jan Janak wrote:
Try to make SIP message dumps using ngrep, we would
like to see the
messages which are discarded by the CISCO gateway and which get 400 Bad
Request from the other gateway.
Jan.
On 24-02 00:24, Jac Barben wrote:
>All:
>
>Please bear with me... I'm having a hard time formulating this quesiton.
>
>Basics:
>ser-0.8.12 from src
>rtpproxy = $Id: main.c,v 1.19.2.10 2003/10/18 20:14:22 sobomax Exp
>RH 7.3 updated to: [root@sip2 rtpproxy]# uname -a
>Linux sip2.claritycolorado.com 2.4.20-20.7 #1 Mon Aug 18 14:56:30 EDT
>2003 i686
>unknown
>
>The problem seems to be that I cannot "always" forward calls to a given
>destination if I have executed the force_rtp_proxy.
>
>Typically I'm using a UA like a Cisco ATA, PureData, or softphone behind
>a firewall. They in-turn register to SER/rtpproxy at a legal IP
>address; most calls are then forwarded to a Vega gateway that resides on
>the same network as SER/rtpproxy (in Denver). In this instance all is
>well. However, when I try to alt route calls to an "off-network" source
>(Cisco in LA and Sonus in Houston) I get two different and disturbing
>results:
>1. Cisco will not respond to SER: Cisco simply indicates in its own
>logs that the INVITE is invalid and thus "trashed" the message
>2. Sonus will respond with a "Bad Request"
>
>Below are some snippets:
>
>Prior to calling the route I have already I identified whether or not my
>UA is behind a firewall and have fix_nated_contact(), force_rport(),
>setflag(1)
>
>SER/rtpproxy is running at 64.47.72.12
>
># Clarity Vega Evergreen CO -- this one works
>route[1]
>{
> if (uri=~"[@:](192\.168\.|10\.|172\.(1[6-9]|2[0-9]|3[0-1])\.)"
&&
> !search("^Route:") ) {
> sl_send_reply("479",
> "We don't forward to private IP addresses");
> break;
> };
>
>
> record_route();
> if (isflagset(1)) {
> fix_nated_sdp("1");
> force_rtp_proxy();
> t_on_reply("2");
> }
>
>
> rewritehostport("64.47.72.10:5060");
> t_relay();
>}
>
># Clarity Cisco AS5300 LA -- this one does not
>route[2]
>{
> if (uri=~"[@:](192\.168\.|10\.|172\.(1[6-9]|2[0-9]|3[0-1])\.)"
&&
> !search("^Route:") ) {
> sl_send_reply("479",
> "We don't forward to private IP addresses");
> break;
> };
>
>
> record_route();
> if (isflagset(1)) {
> fix_nated_sdp("1");
> force_rtp_proxy();
> t_on_reply("2");
> }
>
>
> rewritehostport("198.77.133.30:5060");
> t_relay();
>}
>
>
># Clarity Sonus Houston -- this one does not
>route[3]
>{
> if (uri=~"[@:](192\.168\.|10\.|172\.(1[6-9]|2[0-9]|3[0-1])\.)"
&&
> !search("^Route:") ) {
> sl_send_reply("479",
> "We don't forward to private IP addresses");
> break;
> };
>
>
> record_route();
> if (isflagset(1)) {
> fix_nated_sdp("1");
> force_rtp_proxy();
> t_on_reply("2");
> }
>
>
> rewritehostport("64.47.6.6:5060");
> t_relay();
>}
>
>/* inbound */
>onreply_route[2] {
> fix_nated_contact();
> fix_nated_sdp("1");
> force_rtp_proxy();
>}
>
>
>Please... If you have any ideas... I'm really stuck.
>
>Jac Barben
>
>_______________________________________________
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>serusers(a)lists.iptel.org
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>
>