<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">did you try and see if this is the case with a current release instead of the old one?<div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Mar 28, 2016, at 8:14 AM, Assaf Dahary <<a href="mailto:adahary@gmail.com" class="">adahary@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Hi,<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I would like to use FS (multiple) as a ZRTP client register on a the main FS.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I have already managed to setup a Gateway with user/pass on the FS client and register it on the main FS for regular incoming/outgoing calls (without ZRTP).<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">To enable ZRTP calls I setup the FS client/main as follow:<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">None ZRTP SIP phone -> FS client -> NAT Internet -> FS main -> CSipSimple ZRTP enabled).<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class="">FS Client (ver 1.4) :<o:p class=""></o:p></b></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">ZRTP enabled globally in VARS and in dialplan.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Media proxy disabled on both internal and external profiles and in dialplan.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class="">FS Main (ver 1.4):<o:p class=""></o:p></b></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Media proxy enabled – including late negotiation.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I forced the FS client and the CSipSimple to use only PCMU codec to avoid transcoding.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">The problem is that on a call from the SIP phone via the FS client there are always CRC errors on the ZRTP log.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Only if the FS main is set to disable media proxy then there are no CRC errors – but then it becomes a MITM with incompatible SASs.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">From reading other posts about FS and ZRTP CRC errors I assume that it happens because the FS client is not creating a zrtp hash in the invite SDP.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">So my question is how to make the FS client to generate the zrtp hash in the invite SDP to act as real ZRTP enabled client?<span class="Apple-converted-space"> </span><o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I've already tried to set the FS client internal/external/dialplan with several zrtp configs with no success.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I would appreciate any tip to resolve this issue.<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Regards<o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Assaf <o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class="">The client FS<span class="Apple-converted-space"> </span><o:p class=""></o:p></div><div style="margin: 0in 0in 0.0001pt; text-align: left; direction: ltr; unicode-bidi: embed; font-size: 11pt; font-family: Calibri, sans-serif;" class=""> <o:p class=""></o:p></div></div><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">_________________________________________________________________________</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Professional FreeSWITCH Consulting Services:<span class="Apple-converted-space"> </span></span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><a href="mailto:consulting@freeswitch.org" style="color: purple; text-decoration: underline; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">consulting@freeswitch.org</a><br style="font-family: Helvetica; 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text-decoration: underline; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">http://www.freeswitch.org</a><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><a href="http://confluence.freeswitch.org/" style="color: purple; text-decoration: underline; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">http://confluence.freeswitch.org</a><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><a href="http://www.cluecon.com/" style="color: purple; text-decoration: underline; font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">http://www.cluecon.com</a><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; 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widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">http://www.freeswitch.org</a></div></blockquote></div><br class=""></div></body></html>