Hi Satish,

The dialog module does TH at SIP level (and not at RTP level) - if you want to do that, we need to use (in conjunction to dialog TH) a media relay (as mediaproxy or rtpproxy) in order to hide also the RTP side.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 02.09.2014 05:58, Satish Patel wrote:
But topology hiding not hiding 100% info, I can see SDP RTP info in siptrace, so SIP provide can see all my clients info and IPs, UA agents etc..


On Mon, Sep 1, 2014 at 8:15 AM, Bogdan-Andrei Iancu <bog...@opensips.org <mailto:bog...@opensips.org>> wrote:

    Hi,

    the dialog based topology_hiding() DOES handle the BYE if you do
    proper routing (you do not need B2B). What you need to do is to
    change in your script (where you handle sequential requests, with
    to-tag) from:
        if (loose_route() ) {

    into

        if (loose_route() || match_dialog() ) {

    Regards,

    Bogdan-Andrei Iancu
    OpenSIPS Founder and Developer
    http://www.opensips-solutions.com

    On 28.08.2014 23:47, Satish Patel wrote:
    I am looking for top hiding and i tried topoloy_hiding() but it
    doesn't handling BYE mesg so i am planing to go with B2B. I have
    few question

    1. Does B2B work like Proxy?
    2. Does B2B support NAT SIP client?

    Or should i install Opensips proxy and B2B opensips on same box
    and interconnect them?


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