[SIPForum-discussion] Sip message for Switched off Mobile Phones

Tomasz Zieleniewski tzieleniewski at gmail.com
Wed Jun 17 08:36:23 UTC 2009


Hi,

If mobile phone is switched off, that means it is not registered and
no message will reach it. The domain node serving the unreachable user,
implementing location service will answer any request targeted to that user
with 480 temporarily Unavailable response.

Kind regards,
- Tomasz Zieleniewski

2009/6/16 Ahmed Faisal Hassan <bappi22 at yahoo.com>

> Hi,
>
>
> I want to know what error code the UAS must give to client for calling to a
> switched off mobile phone?
>
> What is the call flow ?
>
>
> Thanks
>
>
>
>
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