Re: [Sip] Contact header for PSTN 2 IP call

[Christer Holmberg <christer.holmberg@lmf.ericsson.se>]

Hi,

The PSTN phone is not a SIP entity, but the media gateway is. In a
normal case I would assume the values of the userpart and host are as
you describe in your example.

Regards,

Christer Holmberg
Ericsson Finland

Rinchen Tundup wrote:

>
> Hi,
> I have a question ! What will be the contact header in the sip message
>
> when an PSTN to IP call is made via a media gateway ? Since PSTN phone
>
> is not a SIP entity and cannot have a SIP URI.
> Should it be sip:phone_no@media_gateway_domain.com? or something else?
>
> pls help
>
>
> Rinchen
>
>
>
> --
> Rinchen Tundup
>
>

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