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Outbound CLI Issue over SIP Trunks

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Mitelmike2010

Technical User
Feb 5, 2010
114
JE
HI All,

I have a problem with a Carrier based in the States who appears to be sending some very strange CLI.

The company in question is based in the UK and the CLI varies on carrier, for example:

When they call from a SIP trunk to the Mobile Carrier they are on they see:

0207xxxxxxx - Which is correct

If they call another UK carrier, in this instance EE (TMobile/Orange) they see:

+14207xxxxxxx - Which is not correct and you cannot call back from it either

If they call a UK Landline the display shows:

0014207xxxxxxx

The carrier is saying the issue is not with them but as we are sending them 0207 and it does work on one Mobile carrier then this makes no sense.

Any suggestions on where the issue might be or how to take this forward?

Regards[tt][/tt]

 
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