Cannot Transfer Skype Calls

[wabulenciaunicef]

Environment:  CUCM 7.1.3,   Skystone version 2013

Skype calls goes through a pre-defined extension (operator) in CUCM.  Both parties (Skype caller and Cisco extension) can converse without issues.

The issue is from the same Skype call/session, the Skype call cannot be transferred to another extension.  Normally, when you press the Transfer button, you immediately get a dial tone but not for this instance and as such the Skype call cannot be transferred.

What are we missing?  Please help!

[Ayodeji Okanlawon]

A few questions for you..

1. How many calls are allowed on the DN?

2. What is the integration with skype? Is this SIP?

[wabulenciaunicef]

Max number of calls for the DN = 4

A H.323 Gateway (H.225 device protocol) was created for this Skype / CUCM integration

Signaling Port = 1720

Media Termination Point = checked/selected

Codec set on both ends (Skystone and CUCM Gateway) = G711 u-law 64K

As an additional info, on the same CUCM, we have an Asterisk gateway and is working properly .... no issues at all.

[Brian Meade]

If it is SIP integration, Skype might not like the inactive media exchange.  Can you hold/resume okay?  You may need to force MTP required.

[wabulenciaunicef]

Hold/Resume does not work.  On the IP Phone 7965, pressing Hold several times does not result to anything and call will eventually drop.

Callforward.  Pressing this key several times, a message will display on the phone panel saying THAT KEY IS NOT ACTIVE HERE 

[Ayodeji Okanlawon]

We will need to you send us detailed CUCM traces. Please use the link below to learn how to collect the traces. Then attach here. Include the calling and called number:

https://supportforums.cisco.com/document/126666/collecting-cucm-traces-cucm-862-tac-sr

[wabulenciaunicef]

pls rename the filename extension to .zip (from .txt)

[wabulenciaunicef]

Note that the incoming Skype call is going to extension 2800

The IP address of the DN (2800) is 10.16.66.16

[Brian Meade]

I don't see any calls to 2800 in the SDI files.  Can you collect again and make sure to get all nodes?

[wabulenciaunicef]

Check the calls under IP address 10.16.66.16 

Call session started like 12:49

[Brian Meade]

I still didn't find the call.  Do you have more than one node?

[wabulenciaunicef]

here are the extract/portion from the traces output