dial pad function not available in the calls

0 votes

im using Lumia 930, experiencing unable to use the dial pad to interact the call machine operator questions, while in the call.

the only function that can be use are: Speaker, Mute, More..

anyone can please help me explain what is the issue? Or it is all because of Window Phone comment problem with 3rd party apps

asked Jan 14, 2016 in Windows Phone by AlanSek (150 points)  

I had the same problem on my Samsung Galaxy Tab S2. The DTMF settings were consistent with my VOIP service provider.

My VOIP service provider recommended that I uninstall and then re-install Zoiper.

That worked, problem resolved.

1 Answer

+1 vote
Best answer

You might need to use a different DTMF type.
Run zoiper, go to Settings -> accounts and select your account.
Open it for editing, then scroll right until you reach the "Features" screen.
There you can change the DTMF type according to your provider's recommendation.

answered Jan 14, 2016 by Katina (23,910 points)  
selected Jan 14, 2016 by AlanSek

i changed my DTMF setting to 'disabled' the dial pad has came back.

also tried the other two setting, inband & RFC-2833 both work just fine.

the issue is with the SIP info (numeric).

many Thanks Katina!

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