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Ronit Malhotra
Beginner

Transfer and Hold issue

On my Softphone i have 3 lines configure for Location A, B and C

When i Send/receive a call from Location A and B, no issue with Hold and Transfer

WHeni use line 3 which is for location C, then i am able to put call on hold but unable to retrieve call

All location have separate gateway

On Gateway C, calls going over SIP to ITSP facing this issue

Inbound  Call

SIP >> GW >> H323 >> CUCM 

Preferred codec on SIP G729AB

H323 dialpeer its G711ulaw

MTP and transcoder are registered 

2 REPLIES 2
avinsrid89
Beginner

This looks like a codec renegotiation problem. Can you share detailed traces from CUCM ?

Attached logs

SCCP >> CUCM >> H323 Gateway >> Gateway >>ITSP

 

Called Number 9711122996

Calling Number 5681514

 

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