SIP to SIP Info for Flashhook event on Cisco Unified Border Element (CUBE)

Hello,

I've had an open case for a very long time with Cisco.

I purchased two CUBE's with the intent to make VoIP call transfers via hookflash.  These hookflashes are supported for FXS-SIP (via sip-ua hookflash-info command) and SIP-FXS (via DSAPP tcl script) scenarios but I've been told by Cisco support that anything listed for SIP-SIP hookflash transfers is not yet supported by the CUBE.

I was told it could be done via a custom tcl script but that is something not supported by tac and you will have to go to Cisco DevNet.

This is my first post in DevNet, but I hope to be in contact with some clever and generous individuals who could give me some of their time to help me resolve this issue.

I am running IOS 15.3(3)M1 or later on my CUBEs, I've done basic tclsh ping test scripts, but I'm not sure how to tackle producing a script that will constantly execute the pass-through of SIP INFO hookflash messages by the CUBE using a tcl script.

INFO message to be handled by the CUBE but the CUBE is rejecting it.  I attached a trace of the logs from the CUBE for more detail.

////

Received:

INFO sip:405153192439@192.168.33.251:5060 SIP/2.0

Via: SIP/2.0/UDP 192.168.33.103:5060;branch=z9hG4bK1694924683

From: <sip:911@192.168.33.103>;tag=89188638-6ba95ef0-ver1e13

To: <sip:405153192439@192.168.33.251>;tag=540038-1978

Call-ID: 1E52787-6E6C11E4-8032CD81-64C4D401@192.168.33.251

CSeq: 104 INFO

Max-Forwards: 70

User-Agent: Tangerine-oSIP-UA/1.06

Content-Type: application/broadsoft ;version=1.0

Content-Length:    17

event flashhook

////

I've also tried to allow unsupported messages to be passed-through the 2901 CUBE, but it did not seem to matter.

voice service voip

sip

pass-thru content unsupp

Finally, this is my first attempt at using DevNet, I hope to become a contributing member asap.

Thanks for you time.

Hi,

I hope you are looking for TCL IVR script for transfer if so you can refer below TCL script.

https://software.cisco.com/download/release.html?mdfid=277641082&softwareid=283451126&release=2.0.1.0&rellifecycle=&relind=AVAILABLE&reltype=all

if you need any help with TCL IVR script you need to raise Dev Net Support case, for more information you can refer below link.

https://developer.cisco.com/site/devnet/support/

Thanks,

Raghavendra