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<DIV dir=ltr align=left><SPAN class=085480000-23032006><FONT face=Arial
color=#0000ff size=2>Hi Will,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=085480000-23032006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=085480000-23032006><FONT face=Arial
color=#0000ff size=2>You should use the standard rfc2833 as
suggested.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=085480000-23032006><FONT face=Arial
color=#0000ff size=2>Also be aware that using "ulaw" will always switch
to "inband" DTMF mode, but the phone and Asterisk should automagically
detect this.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=085480000-23032006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=085480000-23032006><FONT face=Arial
color=#0000ff size=2>Btw: Cellphones and DTMF just doesn't work well
together.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=085480000-23032006><FONT face=Arial
color=#0000ff size=2>If the cellphone is in a poor reception area, it might not
send DTMF tones correctly.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=085480000-23032006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=085480000-23032006><FONT face=Arial
color=#0000ff size=2>-- Bjorn</FONT></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] <B>On Behalf Of </B>Will
Glass-Husain<BR><B>Sent:</B> Wednesday, March 22, 2006 5:47 PM<BR><B>To:</B>
asterisk-users@lists.digium.com<BR><B>Subject:</B> [Asterisk-Users] problems
with DTMF<BR></FONT><BR></DIV>
<DIV></DIV>Hi,<BR><BR>I'm struggling a bit with DTMF. It seems to work
fine on my internal network, but when I call outside lines with telephone trees,
some systems understand the DTMF and some ignore it. Anyone have tips on
solving this? Thanks in advance. <BR><BR>My local phone is a Grandstream
GXP-200<BR>mailbox=89<BR>username=89<BR>secret=xxxxx<BR>type=friend<BR>host=dynamic<BR>context=internal-forio<BR>dtmfmode=info<BR>canreinvite=no<BR><BR>And
my provider is BroadVoice <BR>host=<A
href="http://sip.broadvoice.com">sip.broadvoice.com</A><BR>fromdomain=<A
href="http://sip.broadvoice.com">sip.broadvoice.com</A><BR>fromuser=4153730175<BR>secret=xxxx<BR>username=4153730175<BR>authname=4153730175
<BR>type=peer<BR>user=phone<BR>context=inbound-forio<BR>insecure=very<BR>canreinvite=no<BR><BR><BR
clear=all><BR>-- <BR>Forio Business Simulations<BR><BR>Will Glass-Husain<BR><A
href="mailto:wglass@forio.com">wglass@forio.com </A><BR><A
href="http://www.forio.com">www.forio.com</A> </BODY></HTML>