[OpenSIPS-Users] Contact header modifications

[Maciej Bylica]

Hi,

Guys could i ask you to share your experience here

Thanks.

2014-09-25 23:00 GMT+02:00 Maciej Bylica <mbsip at gazeta.pl>:

> Hello,
>
> I just want to setup Opensips as SIP Proxy node.
> Release 1.11.2-notls and DRouting module is already in place.
> I just want to ask you what do you think about Contact header modification
> in such case.
> Some of my incoming INVITEs have only Contact header (describing
> originator, like IPPABX for instance) without Record-Route header.
> Opensips generates additional Record-Route header but doesn't modify
> Contact header at all and such request is sent to terminator. As an
> after-effect all subsequent requests properly match UAs (thanks to the
> rule hat RR overrides Contact header).
> First of all is this how Opensips behaves and there is nothing to worry
> about?
>
> What if i dont want to disclose Contact header information passing
> transparently to the other side.
> I assume that i may use B2B modules or topology-hiding within dialog
> module or setup Freeswitch for this purpose, am i right?
> Maybe I should play around with opensips script a little to modify that
> header?
>
> Thanks in advance,
> Maciej
>
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