We've had the same discussion at my work about this. Everyone is in agreement that silence is unacceptable. MoH is acceptable, but we would prefer a ringback tone as well. Also, if you have call forwarding set up (ring at same time) and MoH is enabled, you will first briefly hear the music before you hear a ringback tone. It is not consistent for users calling us, as sometimes they will hear music and sometimes a ringback tone.
It's a minor issue for us, but I thought I'd share my opinion since the subject was brought up. Regards, Tim -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Nikolay Kondratyev Sent: June 26, 2009 8:45 AM To: 'M. Ranganathan' Cc: [email protected] Subject: Re: [sipx-users] no ringback tone on an auto attandant transferredcall The thing is that it is quite common scenario: Incoming call is routed to AA, caller dials several DTMF digits and the call is routed to the recipient. And callers are used to hear a ringback (for many years) after the call is transferred to the recipient's phone. Silence is completely unacceptable, music.. hmm... it's better then silence, but anyway I would prefer a ringback tone... BTW, when an incoming call is coming "in an old way", not through a sipxbridge, all is working as expected... caller hears an AA greeting, dials internal number, hears a ringback tone... I'm not sure if it is a good idea, but is it possible for sipxbridge to play ringback tone to the caller in case the "incoming call leg" is already established? Or something like that? What is your recommendation in case one needs to route incoming calls through AA, and MoH service should also work? Anyway I'll test the sipxbridge MoH capability and report the results. Thanks and regards, Nikolay. > -----Original Message----- > From: M. Ranganathan [mailto:[email protected]] > Sent: Friday, June 26, 2009 4:08 PM > To: Nikolay Kondratyev > Cc: srinivasa rao; [email protected] > Subject: Re: [sipx-users] no ringback tone on an auto attandant > transferredcall > > On Fri, Jun 26, 2009 at 4:45 AM, Nikolay Kondratyev<[email protected]> wrote: > >> >> Is your inbound call through sipxbridge ? You will not hear > >> >> ringing > >> >> because the REFER is not sent to the calling phone. > >> >> > >> >> Enable music on hold for the bridge and you will hear music > >> >> as the > >> >> call is being transferred. > > > > What will happen then when the destination phone will put the call on > hold? > > Will both the phone and sipxbridge try to initiate a MoH session? > > > Yes there is a race condition that is possible. Sipxbridge has an > algorithm that handles the race condition which essentially allows the > phone to win if there is a clash. > > If the phone initiates a MOH renegotiation (or indeed the called party > picks up ) in 500 ms. then sipxbridge will not talk to the park > server to initiate the MOH. > On the other hand if sipxbridge does not see signaling that indicates > that the phone has initiated the MOH within that 500 ms, then it will > initiate the MOH INVITE. > > This has been quite tricky to get working correctly so you are not > advised to turn MOH on the phone AND on sipXbridge ON at the same time > ( it is not a supported configuration - I fixed a bug just yesterday > in that connection). > > However, it *should* work even if both are enabled simultaneously. If > you are running an experimental installation, please test the > configuration and report back any problems. > > Thanks > > Ranga > > > > > -- > M. Ranganathan _______________________________________________ sipx-users mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-users Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-users sipXecs IP PBX -- http://www.sipfoundry.org/ _______________________________________________ sipx-users mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-users Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-users sipXecs IP PBX -- http://www.sipfoundry.org/
