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H.323 GW with FXO, cannot see the incoming number, CM 7.1.5

Unanswered Question
Nov 8th, 2010
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Hi,


I am currently configured a H.323 GW which contain few FXO port. Normal PSTN line is connected to the FXO port. The PSTN number is assign to one of the IP phone.


My problem is, when i use my mobile phone to call this PSTN line, the IP phone ring, but it shows UNKNOWN NUMBER. By right it should display my mobile number as the incoming number. I tried to grab the debug info, so that i can see whether i manage to see what is the incoming number. for ISDN PRI E1, we use debug isdn q931, but for this PSTN FXO, i cannot find the command.


Any idea? do i miss out anything in CM?


thanks



voice-port 0/0/0
supervisory disconnect dualtone mid-call
cptone MY
timeouts call-disconnect 1
timeouts wait-release 1
connection plar 79577512


dial-peer voice 7512 voip
description *** Direct Line 1 - 03-79577512 ***
destination-pattern 79577512
session target ipv4:10.1.254.37

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dksingh Tue, 11/09/2010 - 04:36
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  • Cisco Employee,

Start with  debug vpm signal..

It is possible that you may have to tweak

caller-id alerting ring and|or  ring number

CLI for the tone plan u have configured.

chuankokping Tue, 11/09/2010 - 04:48
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i have added the caller-id enable & caller-id alerting command, but somehow i

t doesnt work.


i have tried debug voice ccapi inout


   Calling Number=,(Calling Name=)(TON=Unknown, NPI=Unknown, Screening=Not Scree
ned, Presentation=Allowed),
   Called Number=79577512(TON=Unknown, NPI=Unknown),


does this mean, the gateway itself cannot get any caller-id, therefore no caller-id display?

dksingh Tue, 11/09/2010 - 05:05
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  • Cisco Employee,

this snip from voip ccapi shows no CLID coming in but we

really need deb vpm signal to see if dsp receives anything

before handing it off to ccapi. There are advanced dsp commands

(debug hpi) as well but start with vpm.

Did u say that you do get caller id for calls from the land lines.

If yes, include that as well so that we can compare timings.

Pl. configure service time debug date msec before running debugs.

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