Is it possible to use an Android phone as a simple GSM gateway? The phone would receive a VoiP call using (preferably) Android built-in SIP stack, initiate a GSM call, and bridge audio both w...

I am looking for the SIP stacks for Android and iPhone. I found plenty of similar questions, which are sometimes quite old... I do not care too much if the solution is commercial (but this is prefe...

So using a syntax like ../sipp -sn uac SERVER_IP -s DESTINATION_NUMBER -ap AUTH_PASSWORD -aa -m 1 -l 1 -d 10000 I am able to initiate a sip call. What I want to achieve is, after the callee pic...

I have created sip application using native sip in android .In it I am getting problem in unregistering account from sip server and every time I am getting DATA_CONNECTION_LOST .I also see in andro...

I'm trying to understand what is the required parameter in SDP to be able to decode H264 from RTP packets. This is an related to this question, for the answer to that one works only in small numbe...

I am using native sip apis to implement sip calling in android app and it is working fine but in some devices like CANVAS 3 it was not working .After debugging I found this line of code was returni...

I'm looking for an example of a minimum necessary SDP for setting up a H264 video stream.| The assumption is that the receiver can play H264 as long as it gets the required parameters through SDP. ...

I am using native methods of sip calling and it is working fine but some time it is giving registration error IN_PROGRESS (Error Code -9 ) .I have search in Sip Error codes but dint find any error ...

I have a windows desktop application, made by my mobile network provider, that does all kind of things with SIP: call, send message, etc. Screenshot of how does this app successfully send MESSAGE (...

I'd like to create an app for iOS that does VOIP, presumably by interacting with a website. I can start with Android too. Does anyone know of any tutorials, suggestions or libraries that would be ...

I am not able to decide which one to go for implementing SIP based voice calling app in android. Shall i use Android SIP API or go with PJSIP ? which one has successful implementation till ...

I have an asterisk server and I want to know is this possible to make a sip call with twisted sip protocol? if yes how can I do this? unfortunatly I can't find any document about how to use t...

i will start a new project. In this project i have a server and many clients (over 100000). Clients and the server continuously will communicate with each other. They use only text messages. I thin...

I am trying to run linphone code which I get from git://git.linphone.org/linphone-android.git --recursive . After downloading it successfully, I tried to compile and run it as per the README file. ...

I'm trying to establish a call using sip on Android. The permissions in my manifest are: <uses-permission android:name="android.permission.CALL_PHONE"/> <uses-permission android:name="and...

Can any one help me out to clear my doubts i am trying to implement an SIP application, I already have sip server setup and i have the username and password of my sip account. Now I tried us...

Which SIP library should we look at to solve our audio delay/latency issue for Android phones running OSes 4.0 and above? Our experiments suggest the delay is a SIP library issue. If not a library...

Latest developments: Windows Phone 8 now officially includes support for VoIP, but it's basically just an extension of the existing Push Notification architecture, meaning the API only facilitates ...

Getting error when trying to compile Linphone Native Library using NDK G:\WorkSpaces\Demo\LinphoneLauncherActivity>G:\android-ndk-r8d-windows\android-n dk-r8d\ndk-build Build X264 plugin for m...

I'm'trying to use the pjsip lib for android, after reading some sites talking about the topic I still wondering how to use it. Many examples suggest to start it building the apjsua folder in the d...

I want to write a javascript application which works with PJSIP in order to create sip calls to IP phone. The project example is GreenJ However the sample forces me to work with Qt as a test teleph...

I am able to implement Facebook and Gmail chat with the help of XMPP Framework in my iPhone app. Wanted to know if its possible to implement VOIP(SIP) in a similar manner using XMPP.

I'm using the SIP stack in Android 2.3.4 and everything is working nicely. However, I need the system to use SSL, and have created the following code: SipProfile.Builder builder = new SipProfile....

I am asking to create an SIP client, but I am totally lost ... After some researches I found the Jain SIP API in java, and I think that I will use it. However I don't really know what classes I s...

I understand many of the fine details of NAT hole punching, ICE, and SIP VOIP calls. I've answered quite a few questions on SO on these topics. Now I have a question. I am trying to understand the...