MGCP Gateway - Siemens

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Sep 10th, 2010
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I have two PRI interfaces against a siemens platform. The gateway is configured with MGCP signaling, when i try to transfer from  PSTN - Siemens to Cisco,  i lose the call but when i transfer from Cisco to Siemens it  works.

Communication Manager 7.1.3 - Siemens Hipath 4000


Jose Luis Arango

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Tim Smith Fri, 09/10/2010 - 23:21
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Hi mate..

First step I'd suggest is to check output of "debug isdn q931" on the voice gateway.

There will be a disconnect code in there.

See what it is and if it makes any sense.

When you say transfer.

Do you mean an actual call transfer?




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