ISDN Outbound Call Externall caller disconnect first- IP Phone does'nt hang

Answered Question

Hi All

I have issue with the Outbound Calls to External PSTN phones or Mobiles, when they hangup first- the IP phone (CallManager with H323 Gateway -ISDN E1 solution) does not hangup automatically, instead beeps saying "the other person has hangup". This only happens to Outbound calls, the same caller (mobile or PSTN) calling in and disconnecting first will be followed by IP phone hanging up automatically without needing to put the IP phone down manually.


I have a feeling this is outbound POTS dial peer config issue.


Thanks for your help in advance.



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isdn switch-type primary-net5

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voice call send-alert

voice call convert-discpi-to-prog

voice call carrier capacity active

voice rtp send-recv

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controller E1 0/2/0

pri-group timeslots 1-16

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interface Serial0/2/0:15

no ip address

isdn switch-type primary-net5

isdn incoming-voice voice

no cdp enable

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voice-port 0/2/0:15

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dial-peer voice 1 pots

incoming called-number .

direct-inward-dial

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dial-peer voice 10 pots

description OUTBOUND PSTN CALL

destination-pattern 9T

progress_ind alert enable 8

progress_ind progress enable 8

progress_ind connect enable 8

port 0/2/0:15

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Correct Answer by jgross about 9 years 4 months ago

Hello,

check http://www.ciscotaccc.com/voice/showcase?case=K65703904

issue the

voice call disc-pi-off

command in global configuration mode.

Bye

Joachim

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ivillegas Tue, 08/28/2007 - 08:09
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try 'isdn negotiate-bchan'

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