<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Chris,<div><span class="Apple-tab-span" style="white-space:pre">        </span>Heiko and I have had a few exchanges in email... He's a very nice guy very preceptive to the changes required to support this properly. &nbsp;He said he'll be trying out the two m-line method soon.</div><div><br></div><div>/b</div><div><br><div><html>On Apr 24, 2008, at 4:35 AM, Krzysiek wrote:</html><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div bgcolor="#ffffff" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><font face="Arial" size="2"><font face="Times New Roman" size="3">I have just received replay from the author of PhonerLite:</font></font></div><div><font face="Arial" size="2"></font>&nbsp;</div><div><font face="Arial" size="2">"</font>Hi Chris,<br></div><div>I don't think it is a bug. I do it like others do too.<br>For PhonerLite SRTP is optional (see: a=encryption:optional). So if Freeswitch doesn't support this, SRTP fails and RTP is unencrypted.<br>This is exactly the the way like Snom and Grandstream offer SRTP in their SDP.<br><br>I won't change this!<br><br>Heiko<br><br><br>INVITE<span class="Apple-converted-space">&nbsp;</span><a class="moz-txt-link-freetext" href="sip:123@172.16.115.114">sip:123@172.16.115.114</a><span class="Apple-converted-space">&nbsp;</span>SIP/2.0<br>Via: SIP/2.0/UDP 172.16.115.114:5070;branch=z9hG4bK0014de144110dd118b3d00123fa91863;rport<br>From:<span class="Apple-converted-space">&nbsp;</span><a class="moz-txt-link-rfc2396E" href="sip:hs@172.16.115.114">&lt;sip:hs@172.16.115.114></a>;tag=3538012975<br>To:<span class="Apple-converted-space">&nbsp;</span><a class="moz-txt-link-rfc2396E" href="sip:123@172.16.115.114">&lt;sip:123@172.16.115.114></a><br>Call-ID:<span class="Apple-converted-space">&nbsp;</span><a class="moz-txt-link-abbreviated" href="mailto:0014DE14-4110-DD11-8B3C-00123FA91863@172.16.115.114">0014DE14-4110-DD11-8B3C-00123FA91863@172.16.115.114</a><br>CSeq: 1 INVITE<br>Contact:<span class="Apple-converted-space">&nbsp;</span><a class="moz-txt-link-rfc2396E" href="sip:hs@172.16.115.114:5070">&lt;sip:hs@172.16.115.114:5070></a><br>Content-Type: application/sdp<br>Allow: INVITE, OPTIONS, ACK, BYE, CANCEL, INFO, NOTIFY, MESSAGE, UPDATE<br>Max-Forwards: 70<br>Supported: 100rel, replaces<br>User-Agent: SIPPER for PhonerLite<br>Content-Length:&nbsp;&nbsp; 506<br><br>v=0<br>o=- 2350732611 0 IN IP4 172.16.115.114<br>s=SIPPER for PhonerLite<br>c=IN IP4 172.16.115.114<br>t=0 0<br>m=audio 5072 RTP/AVP 0 8 2 3 97 110 111 9 101<br>a=rtpmap:0 PCMU/8000<br>a=rtpmap:8 PCMA/8000<br>a=rtpmap:2 G726-32/8000<br>a=rtpmap:3 GSM/8000<br>a=rtpmap:97 iLBC/8000<br>a=rtpmap:110 speex/8000<br>a=rtpmap:111 speex/16000<br>a=rtpmap:9 G722/8000<br>a=rtpmap:101 telephone-event/8000<br>a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:PYoCXAWH4BjD/tmuK+Ww5/pIa9MIBT424Judwmty<br>a=encryption:optional<br>a=fmtp:101 0-15<br>a=sendrecv "</div><div><font face="Arial" size="2"></font>&nbsp;</div><div><font face="Arial" size="2">:(</font></div><div><font face="Arial" size="2">Chris</font></div><blockquote style="padding-right: 0px; padding-left: 5px; margin-left: 5px; border-left-color: rgb(0, 0, 0); border-left-width: 2px; border-left-style: solid; margin-right: 0px; "><div style="font: normal normal normal 10pt/normal arial; ">----- Original Message -----</div><div style="background-image: initial; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: rgb(228, 228, 228); font: normal normal normal 10pt/normal arial; background-position: initial initial; "><b>From:</b><span class="Apple-converted-space">&nbsp;</span><a title="brian@freeswitch.org" href="mailto:brian@freeswitch.org">Brian West</a></div><div style="font: normal normal normal 10pt/normal arial; "><b>To:</b><span class="Apple-converted-space">&nbsp;</span><a title="freeswitch-users@lists.freeswitch.org" href="mailto:freeswitch-users@lists.freeswitch.org">freeswitch-users@lists.freeswitch.org</a></div><div style="font: normal normal normal 10pt/normal arial; "><b>Sent:</b><span class="Apple-converted-space">&nbsp;</span>Thursday, April 24, 2008 1:17 AM</div><div style="font: normal normal normal 10pt/normal arial; "><b>Subject:</b><span class="Apple-converted-space">&nbsp;</span>Re: [Freeswitch-users] SRTP in PhonerLite and Freeswitch</div><div><br></div>Well the snom on 7.1.33 will be correct... the Grandstream will work correctly also.<div><br></div><div>/b</div><div><br><div>On Apr 23, 2008, at 5:31 PM, Krzysiek wrote:<br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="word-spacing: 0px; font: normal normal normal 12px/normal Helvetica; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; orphans: 2; widows: 2; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div><font face="Arial" size="2">Thanks for help and explanation.&nbsp;&nbsp;&nbsp;</font></div><div><font face="Arial" size="2">Yes&nbsp;I know that&nbsp;I should use TLS. This was just a test.&nbsp;&nbsp;&nbsp;</font></div><div><font face="Arial" size="2">That's a pity, that this client is broken. I have just thought that I found nice and free&nbsp;sip client with srtp and tls support. I have found this client here:<span class="Apple-converted-space">&nbsp;</span></font><font face="Arial" size="2"><a href="http://www.phonerlite.de/">http://www.phonerlite.de/</a>&nbsp;, author Heiko Sommerfeldt.&nbsp;I hope, he corrects this bug.</font></div><div><font face="Arial" size="2"></font>&nbsp;</div><div><font face="Arial" size="2">><font face="Times New Roman" size="3">The Polycom is the only phone that does this&nbsp;little tid bit correctly.</font></font></div><div><font face="Arial" size="2"><font face="Arial" size="2"></font></font>&nbsp;</div><div><font face="Arial" size="2">Do I understand this correctly that there aren't any&nbsp;softphone clients that support SRTP via SDES correctly ? &nbsp;I found few clients that support SRTP&nbsp;here<span class="Apple-converted-space">&nbsp;</span><a href="http://en.wikipedia.org/wiki/Comparison_of_VoIP_software">http://en.wikipedia.org/wiki/Comparison_of_VoIP_software</a>&nbsp;but<span class="Apple-converted-space">&nbsp;</span><span class="Apple-converted-space">&nbsp;</span>I haven't tested them yet.</font></div></span></blockquote></div><br><div apple-content-edited="true"><span class="Apple-style-span" style="word-spacing: 0px; font: normal normal normal 12px/normal Helvetica; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; orphans: 2; widows: 2; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Brian West</div><div><a href="sip:brian@freeswitch.org">sip:brian@freeswitch.org</a></div><div><br></div></div></span><br class="Apple-interchange-newline"></div><br></div><div><br class="webkit-block-placeholder"></div><hr><div><br class="webkit-block-placeholder"></div>_______________________________________________<br>Freeswitch-users mailing list<br><a href="mailto:Freeswitch-users@lists.freeswitch.org">Freeswitch-users@lists.freeswitch.org</a><br><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br><a href="http://www.freeswitch.org">http://www.freeswitch.org</a><br></blockquote>_______________________________________________<br>Freeswitch-users mailing list<br><a href="mailto:Freeswitch-users@lists.freeswitch.org">Freeswitch-users@lists.freeswitch.org</a><br><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br><a href="http://www.freeswitch.org">http://www.freeswitch.org</a><br></div></span></blockquote></div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Brian West</div><div><a href="sip:brian@freeswitch.org">sip:brian@freeswitch.org</a></div><div><br></div></div></span><br class="Apple-interchange-newline"> </div><br></div></body></html>