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

[Anthony Orlando]

I see many cases where the inband tones are coming from the terminating mobile switch. Also keep in mind that there is another standard, q1912.5 which also has a mapping of isup to sip cause codes.

On Jun 21, 2009, at 13:16, Dilip Kumar <dondilip at gmail.com> wrote:

Hi Anthony,

In most cases from the mobile network, when there is annoucements related to the subscriber the cause code which comes after it is "normal unspceified" which is isdn cause code 31..As per RFC 3398 it is mapped with 480 temporarily unavailable.

With Regards,
D. Dilip Kumar

On Wed, Jun 17, 2009 at 11:34 PM, Anthony Orlando <avorlando at yahoo.com> wrote:
What about mobile networks that provide inband tones/announcments that the subscriber is unavailable?  In that case there would be no 480.   I beleive it would also depend on what isup to sip mapping you are using.  

Anthony

On Jun 17, 2009, at 10:36 AM, Tomasz Zieleniewski <tzieleniewski at gmail.com> wrote:

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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