[SIPForum-discussion] How to convert SIP URL to TEL URL

[Ramachandra moorthy]

Hi Beloved team members,

I am working as senior telecom engineer.Need your help to resolve my
problem while creating SIP trunk with Ericsson MSC.

I have created SIP trunk towards  MSC. Call test done with success.
But from MSC side they are expecting TEL URL in INVITE message.Currently we
are supporting SIP URL.

I have modified URL format as TEL in SIP node(SIP configuration model
parameter).After that observed below

INVITE tel:xxxxxxxxxx SIP/2.0
Via: SIP/2.0/UDP xx.xxx.xx.xxx:5060;branch=z9hG4bK444c7c20.0
To: <tel:xxxxxxxxxx>
From: "xxxxxxxxxx"<sip:xxxxxxxxxx at xx.xxx.xx.xxx
>;tag=0abe1266-00006f0300002d9e


But MSC side expecting "from" filed also should be same like to field.
To and From field should have TEL URL.
Kindly help me to resolve this.

BR
Ramachandramoorthy.
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