"Buzzing" in by digit press, Intercom

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JonathanRC:
Heya.

So I have the obi110 hooked into an intercom for an apartment building. When a guest goes to the intercom, it dials out correctly and connects to the tenant. However, when that tenant presses "4" on their phone, which normally operates the door relay, nothing happens.

Anyone have any advice?

QBZappy:
Try playing with the DTMF settings located here: Try inband setting

ITSP Profile A/B->General->DTMFMethod->

RonR:
Quote from: JonathanRC on February 26, 2012, 09:31:23 am

So I have the obi110 hooked into an intercom for an apartment building. When a guest goes to the intercom, it dials out correctly and connects to the tenant. However, when that tenant presses "4" on their phone, which normally operates the door relay, nothing happens.


Please describe more clearly how the OBi is conected and being used.  Where is the OBi connected?  At the entrance or at the tennants appartment?  Is there a service provider like Google Voice involved or is it simply the LINE Port connected to the Intercom?  Please give full details.

JonathanRC:
OBI is connected to router on one end, and intercom on the other end. At the entrance. Google voice is the provider.

Tenant presses intercom directory number on intercom. It successfully uses OBI+GV to call out to pre-programmed number for tenant. Tenant answers and has trouble hearing visitor at door (though that may be a bandwidth issue), and upon pressing "4", the door relay does not open as it would on a call dialed out through POTS.

Sorry for the lack of detail originally, and thank you QBZappy, will try.

JonathanRC:
QBZappy, that worked! Changing it to "SIPInfo" restored the buzz-in feature.

However, I have a second problem now. The intercom has a speaker so you can hear the line dialing, and the person pick up the phone. The sound is very echo~y, sound quality is overall very poor. The same obitalk box hooked into a non-intercom sounds fine, and the intercom plugged into the telephone line works fine.

It also turns out no one can actually hear the person talking at the intercom side either. This doesn't happen on a POTS line. I have removed EVERYTHING else from the network so that there is no question that there is enough bandwidth.

Any help would be greatly appreciated!

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