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SIP TRUNK

hadisharifi
Level 1
Level 1

‎11-02-2008 04:54 PM - edited ‎03-15-2019 02:18 PM

Hi, I have a sip trunk configured on a UC520, where the main number is 644800 and I have configured 4800 as my AA trigger. However when I call the main number it ring s a few times and then I get an engaged tone. From the debug output it shows that I am calling 4801 which is another extension, "though I ring 4800" I have asked the SIP provider and they have told me that sip registration is coming with extension 4801 since the call is to extension 4801. Appreciate your clarification on this matter.

Relevant debugging and config is attached.

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hadisharifi
Level 1
Level 1

‎11-04-2008 04:01 PM

Ok, can someone please explain to me, where does this info come from during the registration "From: <4801>

To: <4801>" and subsequent calls that are made to 4800 changes to 4801.

I haven't configured this on my router but my SIP trunk registers with the above.

REGISTER sip:202.x.x.x:5060 SIP/2.0

Via: SIP/2.0/UDP 10.18.99.99:5060;branch=z9hG4bK218919CA

From: <4801>;tag=4BC442B4-D91

To: <4801>

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