Hairpin Call Issue via redirect

Answered Question
Apr 17th, 2008

Hi,

I have an issue where when a call is made from an external caller to a phone with call forward all on to another external number it doesnt work. Where if a call is made from an internal phone it works fine.

Debugs and Config attached.

Cheers

Kev

I have this problem too.
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Correct Answer by francesco.casaroli about 8 years 7 months ago

Hi Kev,

I found the solution but I don't have a Pri, I have an Isdn, even If the problem was the same.

Try to put this command under your interface Pri:

isdn map address .* plan isdn type unknown

Let me know If this help you.

Bye

Francesco

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robray_sc Mon, 04/28/2008 - 11:37

when the orginal caller gets redirected back to the PSTN its number does not match the list of numbers (DiDs)that your provider allows to dial out. thats way you get an unallocated\unassigned number. I had this same problem but in CallManager. I had to change a section under Gateways \ Outbound Calls - Calling Party Selection from Orginator to First Redirect Number.

Try changing your outbound caller-id on your voice-port using voice translation rules\profiles.

kevinhobson2000 Mon, 04/28/2008 - 12:07

Hi Robray,

Are you saying that i should use a translation to change the clid of the original caller to that of the mobile no the call is being redirected to?

Thanks

Kev

robray_sc Mon, 04/28/2008 - 12:25

As a test change the CLID for redirected numbers on the voice-port. Use the "main number" for your site or any DiD thats active on your PRI.

Create a voice transaltion rule and voice translation profile to translate redirected numbers. Apply the profile to your voice port for outgoing calls. Let me know if you need a sample config

kevinhobson2000 Tue, 04/29/2008 - 04:34

Hi Robray,

If you could supply me with a sample config that would be great.

Thanks

Kev

Correct Answer
francesco.casaroli Fri, 05/02/2008 - 00:33

Hi Kev,

I found the solution but I don't have a Pri, I have an Isdn, even If the problem was the same.

Try to put this command under your interface Pri:

isdn map address .* plan isdn type unknown

Let me know If this help you.

Bye

Francesco

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