Actually - being pedantic - some proxy cores have a co-located media server. e.g. rtpproxy.

The problem is getting ALL SIP traffic to run through the same SIP proxy and/or proxies. It usually happens but needs careful attention.

As regards simple accounting, the Kamailio/SER system has full call accounting for INVITE and BYE and a few others.

Danny Dias wrote:
Media NEVER goes through a Proxy core...the question is, how should i
record conversations when the calls are all passing through a sip
proxy? some lights will be enough for me :)

2011/1/26 Jeremya <jeremy@electrosilk.net>:
  
Whoops! some SIP traffic IS peer-to-peer.

Jeremya wrote:

Danny Dias wrote:


Hello my friends,

I have a requeriment, which indicates that i have to record every SIP
conversation between peers (also for callings to the PSTN); the
recording server will be built for our company following this
requeriments (also requested for the client):

My doubt is: How can i handle sip conversations recording when all the
calls are passing through a Proxy Server? I do understand that the
media is always peer to peer and the signaling goes through the Proxy,
but in this case the media not only has to pass between the peers
because it must be recorded.

How should i handle this?

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some media is not peer-to-peer. Especially stuff like BYE and NOTIFY.
Then it is direct to the originator contact address.

Unless you have both ends set up correctly, or you have 'adjusted' the
SIP traffic, then some stuff may be lost.

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