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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>We’re almost done testing the (initial)
interoperability between Freeswitch and the Exchange 2007 Unified-Messaging
server. I’ll be happy to share our conclusions once we’re done.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I have a couple of questions in this
regards:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I’ve noticed the FS RFC2833 DTMF doesn’t
work. It does work once the call placed in either bypass_media or pass-rfc2833.
I’ve found the difference between the two scenarios was in the “RFC
2833 RTP Event” payload:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Working scenario: Event Duration starts
from 0<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Non-working scenario: Event Duration
starts from 160.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Is that by design or a bug? If by design, how
do I change that so the FS will start from 0?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I’ve also found the Volume setting’s
different: on FS it’s hardcoded 7 (/src/switch_rtp.c, line 1047: “rtp_session->dtmf_data.out_digit_packet[1]
= 7”). Other devices usually use 10. Any reason for that number? Just
curious.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Cheers,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>UV<o:p></o:p></span></font></p>
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<P><FONT SIZE=2 FACE="Arial">No virus found in this incoming message.<BR>
Checked by AVG.<BR>
Version: 8.0.101 / Virus Database: 270.4.1/1522 - Release Date: 27/06/2008 08:27<BR>
</FONT></P>
<P><FONT SIZE=2 FACE="Arial"> </FONT> </P>