I'm planning to create a call recording app. Is it possible to make a conference call from my app between user, calling number and VoIP service(witch will record the call)?
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You can't combine a mobile call and a VoIP call. The user would need to conference in your service as a standard conference call or your VoIP service would need to handle all 3 legs and not use the mobile voice directly – Paulw11 Jan 09 '17 at 07:19
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Ok, and if I use standard call for recording, can I make a conference? Which method should I use? .openURL "tel://" or something else? – BadCodeDeveloper Jan 09 '17 at 07:31
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The user would need to initiate the conference. You can't do it programatically – Paulw11 Jan 09 '17 at 07:33
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And what about incoming calls? Can I answer a call and make a conference after it? – BadCodeDeveloper Jan 09 '17 at 08:01
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No, the user would need to initiate the conference – Paulw11 Jan 09 '17 at 10:07
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Ok, thanks for your answers! – BadCodeDeveloper Jan 09 '17 at 10:50
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With VoIP service, yes it is possible. Using Multipeer Connectivity Framework's NSOutputStream and NSInputStream you will be able to transmit of audio.
SaumyadipDev
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But in this case I can't combine a mobile call and a VoIP call? – BadCodeDeveloper Jan 09 '17 at 08:14
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no you cannot combine a mobile call and a VoIP call. For that purpose you would be needing a hardware junction for the conversion process. – SaumyadipDev Jan 09 '17 at 09:21
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