IP Phone unknown number display problem for incoming calls from PBX

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Jan 17th, 2008
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Hello,


We are having problem for incoming calls after integration of PBX system (Ericsson)with Cisco IP telephony integration has done successfully

But there is an unknown number message displayed on IP phones instead of actual phone extension numbers from PBX


Any ideas will be appreciated


Thanks in advance

Ahmed

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paolo bevilacqua Thu, 01/17/2008 - 07:26
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To begin with, on the router do "debug isdn q931" and "term mon". This will tell you if the PBX is sending calling number and what else.

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