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CME SIP Phone and CUBE

Hi Guys,

I have the following setup

CUCM ---- GK--- CME

SIP phone is registered to CME and CME is also configured as CUBE. When i make call from CUCM IP phone to CME SIP phone, I do not have any problem. However if i call from CME SIP phone to CUCM i am having problem. Phone rings and when i pickup it get disconnect. When i call from CME SIP phone to CUCM IP Phone it suppose to be G729. However CME SIP phone does not invoke the CUBE transcoder which is configured on the CME.

I am not sure whether the is any special configuration required for SIP phone to invode CUBE which is configured on the same route.

I would appricate your help.

Thanks!!!

Ragu.

3 REPLIES
Hall of Fame Super Gold

CME SIP Phone and CUBE

Use G.711, that will save you a lot of trouble,

New Member

CME SIP Phone and CUBE

Thanks. However , i found that fast start need to be enable for incoming call on the CUCM trunk to GK as CME initiates fast start.

Re: CME SIP Phone and CUBE

Hi,

You can review your transcoding dspfarm resources, you have a codec issue because the call signaling is working good.

Regards.

Sent from Cisco Technical Support iPhone App

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