I have a call trace of one of these calls...and this seems strange: asterisk sends on INVITE a=fmtp:101 0-16 then 183 Session progress is sent back with: a=fmtp:101 0-16 then asterisk sends 183 Session progress with: a=fmtp:127 0-16 OK is sent back with: a=fmtp:101 0-16 then asterisk sends OK with: a=fmtp:127 0-16
Would the above cause DTMF not to be read on remote end? On Fri, Jul 22, 2011 at 8:12 AM, vip killa <vipki...@gmail.com> wrote: > I see, thank you for explaning. The reason for my concern is, we are > sometimes having DTMF issues on outbound calls. It seems when the user > (Polycom) enters digits, they are not being recognized by the other end. > > > On Thu, Jul 21, 2011 at 5:17 PM, Kevin P. Fleming <kpflem...@digium.com>wrote: > >> On 07/21/2011 03:54 PM, vip killa wrote: >> >>> What if asterisk sends telephony events that are not in range of 0-15 >>> though? >>> >> >> You are misunderstanding how SDP works; when an SDP offer or answer is >> sent, that indicates what the sender is willing to *receive*, not what it is >> going to send. >> >> If the Sonus device sent "fmtp:101 0-15" in its SDP, then Asterisk should >> not send 'event 16' events to it. If it does, that's a bug, although >> standard programming practices would mean that it wouldn't be harmful, it >> would just be ignored by the Sonus device. >> >> >> -- >> Kevin P. Fleming >> Digium, Inc. | Director of Software Technologies >> Jabber: kflem...@digium.com | SIP: kpflem...@digium.com | Skype: >> kpfleming >> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA >> Check us out at www.digium.com & www.asterisk.org >> >> -- >> ______________________________**______________________________**_________ >> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >> New to Asterisk? Join us for a live introductory webinar every Thurs: >> http://www.asterisk.org/hello >> >> asterisk-users mailing list >> To UNSUBSCRIBE or update options visit: >> >> http://lists.digium.com/**mailman/listinfo/asterisk-**users<http://lists.digium.com/mailman/listinfo/asterisk-users> >> > >
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