Mobile Voice Access

Unanswered Question
Nov 3rd, 2008
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Has anyone got mobile voice access working with a H323 gateway. I have configured it, but when I ring the DDI, the call hits the gateway and drops. I have attached my config below. My mobile voice access number is 53842 and the DDI is 9842

dial-peer voice 9842 pots

service cmm

incoming called-number 9842

no digit-strip


dial-peer voice 53842 voip

preference 1

destination-number 53842

session target ipv4:

codec g711ulaw

dtmf-relay h245-alphanumeric

no vad

Any help appreciated


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drolemc Sun, 11/09/2008 - 09:41
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Calls for Mobile Voice Access through an H.323 IOS gateway do not work when Cisco MobilityManager is used. The problem in this case is that for every call that is made through the Cisco MobilityManager, the CallManager sends the same called number. When option 1 is pressed in order to make an outside call, the call is disconnected by the H.323 gateway after four seconds.

In order to resolve this issue, perform these steps:

Make sure the H.323 gateway has the VoIP dial-peer pointing to the Computer Telephony Integration (CTI) ports correctly.

Disable the H.323 gateway for Inbound FastStart in the Cisco CallManager administration.

Configuring H.323 Gateways for Mobile Voice Access:


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