[Serusers] Still no Help -- No ringback for ISDN->SIP->ISDN" using Cisco 2600 Gateway
karl
ser_newbie at yahoo.com
Tue Apr 12 10:03:27 CEST 2005
Dear all,
Following my previous email below, I am still facing the same problem without success of any solution. In this respect, I would very much appreciate whether someone who has come across the same problem in the past and possibly solved it, could at least possible tell me if it was a Cisco IOS issue or a ser configuration issue.
Many thanks in advanced.
Regards,
Karl
karl <ser_newbie at yahoo.com> wrote:
Date: Fri, 8 Apr 2005 03:52:06 -0700 (PDT)
From: karl <ser_newbie at yahoo.com>
To: serusers at lists.iptel.org
Subject: [Serusers] Re [cisco-voip] No early media for ISDN->SIP->ISDN
Hello all,
I have just come across the below email by Andreas Graning re the above subject, and its just exactly the same problem I am currently faced with. In this respect, I was wondering if anyone has in the meantime come across a solution to the issue.
Any help on this subject shall be greatly appreciated.
Thankssssssssssss.
Regards,
Karl
[cisco-voip] No early media for ISDN->SIP->ISDNAndreas Granig SIP->ISDN" href="mailto:cisco-voip%40puck.nether.net?Subject=%5Bcisco-voip%5D%20No%20early%20media%20for%20ISDN-%3ESIP-%3EISDN&In-Reply-To=">a.granig at inode.at
Wed May 12 09:52:19 EDT 2004
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Hi,I've a Cisco 5300 running firmware image c5300-js-mz.122-15.T12.bin that interacts with SipExpressRouter (SER) from iptel.org.Following scenario: a caller from ISDN calls a number which is routed thru the C5300 to SER, where it is forwarded back to ISDN via the C5300 again. In this, and only in this scenario, the caller doesn't hear any early media (no ringback, no announcements etc).It works like charm when I for example call from a Cisco ATA to ISDN via C5300 and vice versa.When I configure "voice call send-alert" at the C5300, the PROGRESS is converted to ALERT and I hear a ringback tone, but other early media like announcements are also overwritten by a ringback tone.I've also tried "progress_ind setup enable 3", 8 for alert and 8 for proceed, without any success.I've alread studied (hopefully) all available Cisco documentation (voice commands for Firmware 12.2-T, the "Interworking Signaling Enhancements for H.323 and SIP VoIP", the "PSTN Callers not Hearing any Ring Back When
they Call IP Phones", "Troubleshooting No Ringback Tone on ISDN-VoIP (H.323) Calls" and so on).Any hints?Regards,AndyPS: I've attached the Q931-debug and here are also the relevant parts of the C5300 configuration:voice call send-alert!voice-port 0:D input gain 2 echo-cancel coverage 32 echo-cancel suppressor timeouts interdigit 3!dial-peer voice 9 pots application session destination-pattern 0. no digit-strip direct-inward-dial port 0:D!dial-peer voice 99 voip destination-pattern [1-9]...T translate-outgoing calling 5 translate-outgoing called 1 voice-class codec 1 session protocol sipv2 session target dns:my.sipserver.com dtmf-relay h245-signal no call fallback no vad!gateway timer receive-rtcp 5!sip-ua retry invite 2 retry response 2 retry bye 2 retry cancel 2-------------- next part --------------A non-text attachment was scrubbed...Name: isndlog_sig.txtType: plain/textSize: 4876 bytesDesc: not availableUrl :
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