[SIPForum-discussion] SIP trunk heartbeat mechanism

[Jitendra Bastia]

Hi Federico,

This link may help you.
http://www.sipforum.org/sipconnect

Thanks
Jitendra


On Wed, Sep 25, 2013 at 7:51 AM, Federico Aicardi <faicardi at gmail.com>wrote:

> Hello all,
>
> I would like to know if there is some RFC that describes the heartbeat
> mechanism in a SIP trunk (device level heartbeat).
> Particularly, I have a doubt, the scenario is the following,
>
>    1. SIP server sends the OPTION heartbeat message
>    2. IP PBX responds with a 503 "Service unavailable"
>
> SIP server should assume that the SIPTG is down or the status should be
> normal as the peer device responds? Is there any RFC which specifies this
> procedure?
>
> Thanks to all.
>
> Best regards,
> Federico
>
>
>
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