I'm using OpenSER to connect to a Nortel CS1000M, and I'm having some
problems.
The way the Nortel works is that it has what they call a Network Routing
Service (redirect server, really), that issues either a 302 (if a single
SIP gateway exists on the CS1000) or a 300 (if multiple).
Here's a sample 300 from my system (IPs and domains changed to protect
the guilty):
U 10.1.1.3:5060 -> 10.0.1.1:5060
SIP/2.0 300 Multiple Choices.
Via: SIP/2.0/UDP
10.0.1.1;branch=z9hG4bKa66e.99fc1a25.1;received=10.0.1.1.
Via: SIP/2.0/UDP 10.1.3.114;branch=z9hG4bK7d42804867A25509.
From: "0004f2145263"
<sip:[EMAIL PROTECTED]>;tag=5F7CDD45-DDCE1F92.
To: <sip:[EMAIL PROTECTED];user=phone>;tag=34887.
Call-ID: [EMAIL PROTECTED]
CSeq: 1 INVITE.
Contact:
<sip:12345;[EMAIL PROTECTED]:5060;maddr=10.1.1.1;transport=ud
p;x-nt-redirect=redirect-server;x-nt-redirect=redirect-server>.
Contact:
<sip:12345;[EMAIL PROTECTED]:5060;maddr=10.1.1.2;transport=tc
p;x-nt-redirect=redirect-server;x-nt-redirect=redirect-server>.
Content-Length: 0.
The problem I have is that the Contacts have an maddr, and I need relay
to it. However, I can't seem to be able to use transformations to get
the maddr for relaying. Here are some log messages with comments
inline:
Jul 16 19:50:49 dtw-openser01 /usr/local/sbin/openser[4306]: Branches
are:
<sip:12345;[EMAIL PROTECTED]:5060;maddr=10.1.1.1;transport=ud
p;x-nt-redirect=redirect-server>;q=0.01
This is just an xlog of $bR, but I'm not sure where the q= value is
coming from (get_redirects?).
Jul 16 19:50:49 dtw-openser01 /usr/local/sbin/openser[4306]: ERROR:
parse_uri: bad uri, state 0 parsed: <<sip> (4) /
<<sip:12345;[EMAIL PROTECTED]:5060;maddr=10.1.1.1;transport=u
dp;x-nt-redirect=redirect-server>;q=0.01> (120)
Jul 16 19:50:49 dtw-openser01 /usr/local/sbin/openser[4306]:
tr_eval_uri: invalid uri
[<sip:12345;[EMAIL PROTECTED]:5060;maddr=10.1.1.1;transport=u
dp;x-nt-redirect=redirect-server>;q=0.01]
These are what I get as a result of trying to xlog $(bR{uri.maddr})
Anyway, I would be greatly appreciative of any help someone might offer
on the matter.
Regards,
- Brad
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