How are WhatsApp calls implemented?

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para_prog2016-09-03 15:48:53

Mobile development

para_prog, 2016-09-03 15:48:53

I need to write an application for andoid and ios, which will allow you to call another phone with the same application. Those. implement calls over the Internet, as in WhatsApp or Skype. Do not tell me what the architecture of such an application should be, what technologies should be used, where to start, in which direction to dig?

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JonNiBravo, 2016-09-07
@JonNiBravo

As far as I know Skype and WhatsApp use their own private protocols.
You need to dig towards SIP or Jingle.
https://ru.wikipedia.org/wiki/SIP
https://ru.wikipedia.org/wiki/Jingle_(%D0%BF%D1%80...
The architecture can be client-server or p2p.