[Serusers] Cisco3600 to SER

[Java Rockx]

Smy,

One thing to keep in mind when dealing with Cisco 3600 routers (and others 
with ALG functionality) is that if you are using mediaproxy or rtpproxy and 
accidentially call use_media_session() or force_rtp_session() more than once 
when dealing with NATed clients, that SER will corrupt the c= field in the 
SDP payload and the Cisco 3600 will refuse to pass that message -- we can 
call this a "feature" :-)

Regards,
Paul

On 6/24/05, Greger V. Teigre <greger at teigre.com> wrote:
> 
> Looks like the cisco box never receives the trying...
> U SER-ip:5080 -> cisco-ip:5060
> 
> If Cisco listens to port 5080 and not 5060, it's obvious... However, the
> box announces 5060 in:
> Via: SIP/2.0/UDP cisco-ip:5060
> 
> So, you need to change the cisco's announced port. Should be some 
> parameter
> somewhere...
> g-)
> 
> smy at addm.com wrote:
> > Hi all,
> >
> > I'm currently working with a cisco3600 with SER 0.9.2. Thanks to
> > Onsp.org <http://Onsp.org>, I can land calls from SER to Cisco 3600 
> without any
> > problems. Yet I'm experiencing some problems with Cisco3600 passing
> > calls onto SER.
> >
> > My setup is as follow:
> >
> > Cisco 3600 ==> SER+Mediaproxy ===> IP Phone
> >
> > When a call come in via DID method through the Cisco3600, SER
> > received the all SIP messages (I got it via ngrep), yet the call
> > couldn't pass onto the IP Phone.
> >
> > Currently, all devices (including cisco) have been configured to use
> > port 5080 instead of port 5060 due to port restrictions on the
> > network, and that I have specified the ip in the trusted table under
> > mysql. Yet I don't know why the call still can not get through. The
> > following are the logs I received from ngrep and cisco..... Any help
> > is welcome and is GREATLY APPRCIATED!!
> >
> > ------------------- ngrep from SER server
> >
> > U cisco-ip:55299 -> SER-ip:5080
> > INVITE sip:6119203 at SER-ip;user=phone;phone-context=local
> > SIP/2.0..Via: SIP/2.0/UDP cisco-ip:5060..From: "6113640"
> > <sip:6113640 at cisco-ip>..To:
> > <sip:6119203 at SER-ip;user=phone;phone-context=local>.............. #
> > U SER-ip:5080 -> cisco-ip:5060
> > SIP/2.0 100 trying -- your call is important to us..Via: SIP/2.0/UDP
> > 222.50.103.247:5060 <http://222.50.103.247:5060>..From: "6113640" <
> sip:6113640 at cisco-ip>..To:
> > <sip:6119203 at SER-ip
> ;user=phone;phone-context=local>...........................
> > #
> > U cisco-ip:55299 -> SER-ip:5080
> > CANCEL sip:6119203 at SER-ip;user=phone;phone-context=local
> > SIP/2.0..Via: SIP/2.0/UDP 222.50.103.247:5060<http://222.50.103.247:5060>
> ..From:
> > "6113640"<sip:6113640 at cisco-ip>..To:
> > <sip:6119203 at SER-ip;user=phone;phone-context=local>.................
> >
> > ---------------- mysql trusted table
> > +----------------+-------+--------------+
> >> src_ip | proto | from_pattern |
> > +----------------+-------+--------------+
> >> cisco-ip | any | ^sip:.*$ |
> > +----------------+-------+--------------+
> >
> > ----------------- log from cisco3600
> > Jun 23 14:23:53: HandleUdpSocketReads :Msg enqueued for SPI with
> > IPaddr: SER-ip:5080
> > Jun 23 14:23:57: Received:
> > SIP/2.0 408 Request Timeout
> > Via: SIP/2.0/UDP cisco-ip:5060
> > From: "6113640" <sip:6113640 at cisco3600>
> > To:
> > <sip:6119203 at SER-ip
> ;user=phone;phone-context=local>;tag=bc78c497f1336138e83d95d77d963f1b-f81d
> > Call-ID: 22B8BA3E-E32911D9-82A1EC22-7AD29AB0 at 222.50.103.247
> > CSeq
> >
> > _______________________________________________
> > Serusers mailing list
> > serusers at lists.iptel.org
> > http://lists.iptel.org/mailman/listinfo/serusers
> 
> _______________________________________________
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