Can you make outgoing SIP URI calls from Android phone? I don't have one, but heard that it comes with built-in SIP client.
Before this gets out of hand, I am asking about making outgoing calls to SIP URI only, without any configuration and without registering with SIP server.
I.e. user opens android phone, connects to internet, enters SIP URI and we talk. Can this be done easily without configuring SIP accounts on the phone? User on the other end is computer illiterate.
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