The Session Initiation Protocol (SIP) is an IETF-defined signaling protocol widely used for controlling communication sessions such as voice and video calls over Internet Protocol (IP).

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Is there a way for 3G to not disconnect when connecting to WiFi?

WiFi is unreliable, I wouldn't trust WiFi for SIP calls, I've disabled WiFi within CSipSimple. Now every time I connect to WiFi, my SIP registration seems to go away, and I'm not receiving any calls ...
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2answers
4k views

Where did the SIP settings go to on my LG Optimus 4X?

About 3 months ago I bought my LG Optimus 4X HD (aka P-880), which shipped with Android 4.0.3. I searched the settings up and down, and was quite surprised there were no SIP settings available. I'm ...
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3answers
6k views

Converting phone to SIP gateway

Is there a way to use my phone as a SIP GSM gateway, so I can make and receive cellular calls using a SIP phone and/or re-route them through a SIP PBX?
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1answer
698 views

How to make “poor man's roaming” by proxying cell calls to SIP or Skype?

What applications should I use to make the Android device to forward calls from cell network to SIP or Skype and back? One device ("Home") is expected to be left at home, serving as proxy; other ...
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3answers
11k views

Android phones with native SIP client?

I've heard from various sources that Android does have SIP support built in starting around version 2.3 Gingerbread, but I yet to see a single phone actually having it in its setup menus. Just ...
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6answers
9k views

How do I prevent “No Internet calling account” error?

I'm running 2.3-Gingerbread. Calling was working fine over the telephone network. I set up the internet calling feature by adding an account to test the featuire out. Then I removed the account. Every ...