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Community Member

Problem with calls transfer

Hi there,

I've got a Callmanager 4.2 and a 2811 router with an isdn PRI E1. Internally the call transfer run ok but when a call from outside is transfer to an internal extension, the call is transferred ok but you can't heard anything. But if you transfer an internal call to an external number It runs perfectly.

Thanks for your help.

Bye.

2 REPLIES
Blue

Re: Problem with calls transfer

can the PSTN callers hear the internal callers when tranfered? if so, this could be a 'one way audio' issue.

see this link for troubleshooting one way audio:

http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a008009484b.shtml

what type of QoS do you have?

can you determine what is happening to the voice traffic once it is transfered? when you have this scenario, press the ? button on the phone twice to bring up network statistics.

note what codecs are in use, what the sender/rcvr size is in ms, what jitter is there, what packets have been lost or discarded? these can help point you/us in the right direction for further troubleshooting.

Community Member

Re: Problem with calls transfer

It's running OK.

The problem was that the gateway was configured in diferent region that the phones.

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