Dawn Somen-NXDR43 wrote:
> Hi Satyendra,
>
> When the '+' sign is not present, but a telephone number is represented
> by the user portion of the URI, the SIP URI should contain 'user=phone'
> parameter though otherwise it is optional if the user portion does not
> represent a telephone number.
What???
If user=phone is present, then the syntax of the user part must conform
with the TEL URI syntax as defined in RFC 3966.
That syntax says that the number must start with a "+" unless it
contains a ";phone-context" parameter.
So the following are legal:
sip:[EMAIL PROTECTED];user=phone
sip:1234;[EMAIL PROTECTED];user=phone
sip:1234;[EMAIL PROTECTED];user=phone
sip:[EMAIL PROTECTED]
and the following is *not* legal:
sip:[EMAIL PROTECTED];user=phone
> Also, the number is likely to be a PSTN number and locally significant.
>
> I hope you get my point.
>
> Regards,
> Somen
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Satyendra
> Tiwari
> Sent: Friday, May 04, 2007 4:09 PM
> To: [email protected]
> Subject: [Sip-implementors] user=phone
>
> Hello All,
>
>
> I want to know that why "user=phone" is used in request URI of any
> INVITE???
>
> Regards,
> Satyendra
>
>
> Thanks And Regards,
> Satyendra Tiwari
> Alcatel-Lucent
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