[Freeswitch-users] ZRTP failure after upgrading

[sangdrax8]

I have been using freeswitch with ZRTP successfully, and recently decided
to do a pull from master.  We haven't updated in a while, and I am testing
how our current configurations work with the latest git pull.  After the
pull, my clients can't seem to establish a ZRTP session.  Should I be doing
this differently, or is there a new variable I need to be setting?  I was
under the impression that proxy_media would pass the media through
unaltered, so I am a bit confused as to why this would change between
versions.

Previous version:
(Version 1.5.8b git beb0673 2013-11-27 00:48:49Z 64bit)

In this version I would look for a zrtp-hash, and if present I would simply
proxy_media.

<condition field="${endpoint_disposition}" expression="^(DELAYED
NEGOTIATION)"/>
<condition field="${switch_r_sdp}" expression="(zrtp-hash)" break="never">
    <action application="set" data="proxy_media=true"/>
</condition>

Current version:
(Version 1.5.14b git 5ea1729 2014-07-21 11:48:10Z 64bit)

Using the same code as above, my endpoints do not negotiate ZRTP.
 Eventually my clients issue a hangup, since I have them set to require
ZRTP for testing purposes.

2014-07-22 16:44:10.891255 [INFO] switch_channel.c:3304 sofia/shared/
sip:7kkklf at 192.168.10.134:33588 Activating ZRTP passthru mode.
2014-07-22 16:44:10.891255 [NOTICE] sofia.c:7181 Channel [sofia/shared/
sip:7kkklf at 192.168.10.134:33588] has been answered
2014-07-22 16:44:10.891255 [INFO] switch_core_media.c:5152 Activating RTCP
PORT 0
2014-07-22 16:44:10.891255 [INFO] switch_core_media.c:5333 Activating ZRTP
PROXY MODE
2014-07-22 16:44:10.891255 [INFO] switch_core_media.c:5152 Activating RTCP
PORT 0
2014-07-22 16:44:10.891255 [INFO] switch_core_media.c:5333 Activating ZRTP
PROXY MODE
2014-07-22 16:44:10.891255 [NOTICE] switch_ivr_originate.c:3494 Channel
[sofia/shared/cueyeo at testcust] has been answered
2014-07-22 16:44:11.331267 [INFO] switch_rtp.c:5622 Auto Changing port from
192.168.10.134:60402 to 1.1.1.1:50944
2014-07-22 16:44:16.391257 [NOTICE] sofia.c:947 Hangup
sofia/shared/cueyeo at testcust [CS_EXECUTE] [NORMAL_CLEARING]


The only suggestions I can find on the wiki are at "
http://wiki.freeswitch.org/wiki/ZRTP" which indicates
that  zrtp_secure_media and rtp-enable-zrtp needs to be set, which I have
done.
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