Hi,
can you post your complete linphone client log(enable debug trace in linphone). Do you have the media encryption set to ZRTP? I cannot see any ZRTP hello packets sent from linphone. Can you get the network trace from the linphone client?

johan

On 15/10/15 14:08, Saurabh Kumar Verma wrote:
Thanks Johan,

I tried with the same way but no luck.
Attached here the server side sniff (using FreeSWITCH as SIP server).

On Wed, Oct 14, 2015 at 7:01 PM, Johan Pascal <[email protected] <mailto:[email protected]>> wrote:

    Hi,
    zrtp-hash in SDP is not implemented in linphone as it is an
    optional feature. Check in your network settings->media encryption
    to see if ZRTP is there. If yes, select it and it shall work.(when
    it works, and the other peer has ZRTP enabled too, it will prompt
    you to confirm the SAS).

    johan


    On 14/10/15 15:21, Saurabh Kumar Verma wrote:
    Hi All,

    I'm trying to secure RTP in Linphone using ZRTP. For that I
    compiled the linphone with enable zrtp option (configure
    --enable-zrtp). The compilation is fine but as I initiate the
    call, I'm not seeing zrtp-hash parameter in SDP. I tried with TLS
    and UDP.
    Also any other way to confirm whether ZRTP is configured in my
    linphone.?

--
    *Thanks:*

    Saurabh Kumar Verma

    VVDN Technologies Pvt Ltd

    *Cell*: +91 7042378747 | *Skype*: saurabh.verma001


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--

*Thanks:*

Saurabh Kumar Verma

VVDN Technologies Pvt Ltd

*Cell*: +91 7042378747 | *Skype*: saurabh.verma001


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