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Community Member

this service is not compatible with this call

Hey,

I hope someone can help me, my customer says when try to dial a 11 digit normal number in the UK they receive a message as the title.

No special number just a normal 11 digit but others work normally.

its CUCM

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Shibly Ibrahim

Please rate the post Shibly Ibrahim
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6 REPLIES

this service is not compatible with this call

You get that when the far end won't accept a voice call, only an ISDN data call.

GTG

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Community Member

Re: this service is not compatible with this call

Hey,

Thanks for the quick response. So it is not a configuration issue on my end is it?.

Because theyw ere using an analog phone system with dass before migrating to CUCM with the dass lines converted to ISDN30. They say they didnt have the issue before

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Shibly Ibrahim

Please rate the post Shibly Ibrahim

Re: this service is not compatible with this call

If it's only occuring on one destination number, it has to be the other ends problem. Can you dial that number from, say, a POTS or mobile line?

GTG

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Community Member

Re: this service is not compatible with this call

Hey Gordon,

Customer faced with few numbers but not all. It works from Mobile and any other line

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Shibly Ibrahim

Please rate the post Shibly Ibrahim

Re: this service is not compatible with this call

I'm out of ideas, sorry.

Only thing I can suggest is to do a debug isdn q931 on the gateway and see if you can spot anything in the ISDN messages for one of these failed calls.

GTG

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Community Member

Re: this service is not compatible with this call

Hey,

It looked like a normal clearing. The logs attached on my first post.

A weird message i noticed was something like AA *clear

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Shibly Ibrahim

Please rate the post Shibly Ibrahim
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