Questions tagged [sip-server]

A SIP server is the main component of an IP PBX, dealing with the setup of all SIP calls in the network.

A SIP server is the main component of an IP PBX, dealing with the setup of all SIP calls in the network.

The Session Initiation Protocol (SIP) is a signaling communications protocol, widely used for controlling multimedia communication sessions such as voice and video calls over Internet Protocol (IP) networks.

The protocol defines the messages that are sent between peers which govern establishment, termination and other essential elements of a call. SIP can be used for creating, modifying and terminating two-party (unicast) or multiparty (multicast) sessions consisting of one or several media streams. Other SIP applications include video conferencing, streaming multimedia distribution, instant messaging, presence information, file transfer, fax over IP and online games.

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Error while building Linphone for windows

I am trying to build linphone for windows by following the instructions in Readme.mingw using MinGw/Msys. There is no issues till the download of belle-sip package. When I run ./autogen.sh I am getting the below error. Generating buildipts in…
santhosh
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Javascript SIP library sip.js and JsSIP differences?

I have three doubts that require some clear explanation . A clear purpose of those two JavaScript SIP library in relation to Webrtc and sip signalling. Difference between Sip.js and JsSIP JavaScript SIP Library. Does IP PBX means sip…
simon bremson
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Difference between sip proxy and sip outbound proxy

I'm little bit confused about sip proxy and sip outbound proxy? What is the basic difference between sip proxy and sip outbound proxy? Is it mandatory to use sip outbound proxy along with sip proxy? Can anyone point me out from the below image which…
Poles
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Container for sip servlets?

I am new to programming and working on SIP applications. I am bit confused about where to deploy SIP applications. I read about HTTP Servlets, which are deployed in servlet container, I believe Tomcat is one Servlet container. Basically, I have few…
Jardanian
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Android VOIP - Building an app for audio and video calls

I have to develop a mobile app with audio and video functionality. I browsed the web, I found out I need a SIP server. An SIP server does it works like Apache for web apps? I also found this : public SipProfile mSipProfile =…
Preety
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What is the use of from-tag in SIP request?

I have a trivial doubt with respect to SIP. I tried googling and referring many books, but still I am not able to find a solid reason for adding from-tag in SIP request. Example SIP request (Snapshot from rfc-3261) INVITE sip:bob@biloxi.com…
TheLearner
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SIP over websockets to true SIP

I'm trying to implement a sip server for connecting to from an HTML sip client(made using sipml5). During my research into doing this I've come across sip over web-sockets which might be useful to me, however, I am unsure if a user agent connecting…
awriis
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"SIP/2.0 488 Not acceptable here" error

I am new to MjSip and I use MjUa for creating a client. I want to connect to a asterisk server. it support G.711 but I can not config my app. I use this config: media=audio 4000 rtp/avp {audio 0 PCMU 8000 160, audio 8 PCMA 8000 160} but i still…
kamran ghiasvand
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Registration Not Running Android Sip Error

Good day. I am trying to open the sip profile which is pre-registered already. The profile is fully working if i download any other SIP application from Google Play, but when i try to initialize inside my code, i get the error registration not…
Volo Apps
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Integrating Asterisk with WebRTC - ground up

I am trying to integrate Asterisk with webRTC. There was a query posted here but it barely provides any solution. I already have a basic webRTC infrastructure in place which I have tested for proof-of-concept. I use socket.io for signalling, COTURN…
Sunny
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What is the trick used by some iphone sip apps to communicate with UDP only sip servers?

There are some ios sip applications who are able to communicate with a UDP only SIP Server. As I know iOS allows only TCP connection to remain open in the background but most of the SIP providers are supporting only UDP. I have noticed that iOS…
alinoz
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How to install asteriskwin32 using cygwin?

I have errors when trying to install asteriskwin32 on Windows Server 2008. Can anyone tell me how to install asterisk on the WS operating system with cgywin? Any help is much appreciated!
justmee
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Kamailio, call multiple SIP URI, possible?

I'm playing with Kamailio for the first time and I've managed to get it up and running making it possible to call between clients. Is it possible to call several clients at once and the first to pick up the call gets it?
user649542
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Which is the best SIP compatible codec type for Android

I want to develop a Android App which will use a SIP Server of my client. My client is exposing couple of REST API from the SIP server for communicating with the apps. I want to know which would be the best codec type for this app? Basically, I want…
Foyzul Karim
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Linphone reregistering to Sip server using Android

I am creating an Android application which uses Linphone to enable Voip calls. When the connection is lost, I'm attempting to reconnect to the Sip server like this: @Override public void reregister() { handler.post(new Runnable() { …
CodeMonkey
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