Remember that if the audio path is p2p the DMTF tones do not work anymore, so you can't transfer a call, etc. You should use SIP INFO if supported. For the audio path give a look to the asterisk options /directmedia/=yes and directrtpsetup=yes. You could not need to use openSIPS and rtpproxy.


Il 24/04/2015 17:36, Russell Treleaven ha scritto:
As an alternative you could try bypass media.
https://freeswitch.org/confluence/display/FREESWITCH/Bypass+Media+Overview


On Fri, Apr 24, 2015 at 11:17 AM, Roman Dissauer <[email protected] <mailto:[email protected]>> wrote:

    Dear all,

    I’m running a centralized Freeswitch based PBX for use on several
    sites. All phones register against this Freeswitch instance.

    Now I want to install SIP and RTP Proxies on every site to keep
    RTP traffic locally on site. Registration should still be done by
    freeswitch. Can anybody give me a hint if this is possible with
    opensips and rtpproxy?

    Maybe I can clarify it a bit more:
    ----------------
    |  Freeswitch  |
    ----------------
           |
           |    Public Internet
           |
           |--------- Phone 3 external
           |
           |
    ------------------
    | Firewall / NAT |
    ------------------
           |
    ----------------
    |    Proxy     |   Site 1
    ----------------
           |
           |
           |--------- Phone 1 internal
           |--------- Phone 2 internal

    Phone 1 - 3 are all registered at Freeswitch
    Phone 1 calls Phone 3: SIP and RTP over Freeswitch
    Phone 1 calls Phone 2: SIP over Freeswitch but RTP over Proxy

    Does this make sense?

    Thanks,
    Roman
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