[SIPForum-discussion] IP-PBX registration

[Ashish Umrani]

Chris,

I know one of the B2BUA has a seperate process of pinging the IP-PBX at
regular frequency to see that its reachable. So  it can detect the
connectivity down issue.  Now beyond this there could be issues like machine
is up but process is not running/not responding / slow in response etc. For
which I think one would need to use some SIP messaging.  I am not sure which
one can be used.

But one inherent feature in SIP is that if a call fails on one UAC at any
point, the Proxy / B2BUA takes thatr UAC out of list of registered UAC's

Does this help

Please advise
Ashish


On 8/21/07, chris brown <fan49ers99 at yahoo.com> wrote:
>
> Hello,
>
> I am wondering if some one knows how service provider can monitor if an
> IP-PBX or an end point down at the enterprise level over a SIP TRUNK...
>
>
>
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