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

[Stephen James]

Just format your From header the same way. No @ipaddr. Then curse the builders of the MSC that requires tel URI. 

Sent from my iPhone

> On Dec 18, 2013, at 23:56, Ramachandra moorthy <ramcm.irtt at gmail.com> wrote:
> 
> 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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