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New Member

CUCM 7 and PBX integration

Calls are extablishing fine between the Nortel and CUCM users over ISDN E1 PRI and vise versa.

However When the IP Phone calls the PBX Phone the PBX phone rings fine and the call is established but you cannot hear the PBX phone ringing through your IP Phone its just silence and then PBX user answers.

When a PBX phone calls an IP Phone the call establsihes fine and you can hear the remote IP Phone Ringing through PBX Phone.

Conclusion: When IP phone calls PBX Phone theres silence but the PBX phone does ring at the remote end.

Thanks

1 ACCEPTED SOLUTION

Accepted Solutions
New Member

Re: CUCM 7 and PBX integration

Hi

Configure:

progress_ind alert enable 8

On Dial-peer voice POTS

No ringback tone on an IP phone when calling a destination in the PSTN: This issue occurs due to the way in

which CallManager handles ringback when it is calling out via an H.323 gateway, and can be resolved by configuring

the progress_ind alert enable 8 command under the appropriate POTS dial peer.

2 REPLIES
New Member

Re: CUCM 7 and PBX integration

Hi

Configure:

progress_ind alert enable 8

On Dial-peer voice POTS

No ringback tone on an IP phone when calling a destination in the PSTN: This issue occurs due to the way in

which CallManager handles ringback when it is calling out via an H.323 gateway, and can be resolved by configuring

the progress_ind alert enable 8 command under the appropriate POTS dial peer.

New Member

Re: CUCM 7 and PBX integration

Thanks pgcristovam perfect :) Worked straight away.

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