[cisco-voip] SIP signal

[Mark Holloway]

The 180 Ringing should definitely trigger the ring back to the PSTN.  You may want to debug ISDN as well and see what's happening. The SIP part is correct. 

On Oct 18, 2011, at 3:34 AM, shary shary wrote:

> can ou share your config, did u use rel100xx in SIP bind voice service ?
> 
> Regards,
> Sheeraz Saeed lodhi.
> 
>  
> > From: sfigueroa at mnet.com.mx
> > To: cisco-voip-bounces at puck.nether.net; cisco-voip at puck.nether.net
> > Date: Mon, 17 Oct 2011 23:39:52 -0500
> > Subject: [cisco-voip] SIP signal
> > 
> > Hello experts
> > 
> > 
> > I have a question with SIP to do work ringback, I have this step of signal SIP but do not if this is the instruction to PSTN hear ringback? My problem is that PSTN do not hear ringback.
> > 
> > 
> > 
> > SIP/2.0 180 Ringing
> > Via: SIP/2.0/UDP 207.249.152.70:5060;branch=z9hG4bK*002e-00005424-07c1,SIP/2.0/UDP 10.15.15.7:5060;branch=z9hG4bK45F12EA
> > From: <sip:8181113405 at 10.15.15.7>;tag=9D58538-D02
> > To: <sip:335518400 at 207.249.152.75>;tag=7B104564-2709
> > Date: Mon, 17 Oct 2011 22:50:25 GMT
> > Call-ID: C839BDD3-F84611E0-89E8ACDE-1882742B at 10.15.15.37<mailto:C839BDD3-F84611E0-89E8ACDE-1882742B at 10.15.15.37>
> > Timestamp: 1318890771
> > CSeq: 101 INVITE
> > Require: 100rel
> > RSeq: 4915
> > Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER
> > Allow-Events: telephone-event
> > Remote-Party-ID: "B Ivr Q" <sip:8451 at 10.14.208.19>;party=called;screen=no;privacy=off
> > Contact: <sip:3325518400 at 10.14.208.19:5060>
> > Record-Route: <sip:Gk-int at 207.249.152.75:5060;lr>
> > Server: Cisco-SIPGateway/IOS-12.x
> > Content-Length: 0
> > 
> > can anyone help me?
> > 
> > Thanks.
> > 
> > 
> > 
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