Questions tagged [voip]

Voice over Internet Protocol (VoIP) is one of a family of internet technologies, communication protocols, and transmission technologies for delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. VoIP protocols can be further subdivided into Signalling and Media Protocols. Signalling protocols are used to establish VoIP sessions while the Media Protocols carry actual voice traffic.

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How to account logout from Csipsimple on click of logout button?

I am using Csipsimple for my Voip app. when i am click logout button the login screen comes but when i am call after logout on this number the incoming call is coming and call has been connected. fun ...
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1answer
44 views

Invalid Token VoIP Apple Push Notification

I'm trying to implement VoIP push notification for my VoIP app. I have generated apple push notification certificate and VoIP push notification certificate. I have generated a p12 file from the ...
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Skype to Phone Caller ID

I've been using Microsoft's Skype to Phone service to call home from abroad for a while now. Recipients of the calls see my local phone number as caller ID, so I assumed they don't pay incoming ...
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12 views

Turn Configurations using linphone in iOS

I am facing issue with relaying media through Turn using Linphone. Below is Log that my Linphone client app produces. ortp-error-RtpSession [] error sending [rtp] packet [] to myTurnServerIP:49172: ...
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How i can Android programme calling throigh voip? [on hold]

What is the steps for making android calling app like dingtone calls throw voip or sip server
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12 views

Integrate Sip VoIP integration to iOS app

I'm working on a iPhone app which need to integrate audio/video calling using SIP protocol. I found some libraries/SDK which provides SIP audio/video calling: PortSIP Linphone PJSIP but they all ...
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43 views

SIP configuration for linphone SDK? [closed]

I am working in VoIP based project and using a SDK name as Linphone it's open source. I have gone through there official web page http://www.linphone.org/ but there is no proper documentation given ...
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1answer
12 views

Using a Bluetooth Headset as a Mic and Speaker in a Voice Chat App

I have a voice chat app, which works just fine. Currently I'm trying to make the app support bluetooth headsets in case any was connected. There are two cases that I need to handle: The bluetooth ...
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26 views

Pjsip/pjsua timeout errors and resolve errors calling phone numbers after registering with voip.ms from Raspberry Pi

The Goal I'm trying to make a call to a telephone number. I'd like to be able to make a call from the raspberry pi, and also make a call to my voip.ms phone number and be able to answer or auto-...
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7 views

Using SIPP to place a call, and play or confirm received audio

I am looking to compile a program that places a SIP call to my server and confirms the returned audio is heard. I can play a wav file from SIPP to an echo test on the server but I need to know (via ...
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26 views

Jitsi On iOS 9 call get disconnected after some seconds of conectiveity

Description In my system I initiate call procedure form web and send a connect information to client using XMPP message. Once client receive message it joins the room that web created and call get ...
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11 views

Does anybody has a copy of Quintum Technologies Tenor mib file?

I have been searching everywhere for a Quintum tenor mib file. This file was published on quintum.com, but quintum was bought by Sonus I believe. So quintum.com has been offline for quite a while. I ...
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29 views

Oracle Acme Packet SBC receiving audio streams from multiple servers/sources

We currently have a bunch of Text-To-Speech servers that send audio streams to the SBC via RTP protocol. This works fine. The issue is that we've recently introduced a new server which sends another ...
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12 views

Slicing arrays for UDP header affecting performance Java

I'm writing a basic VoIP program in Java. In my sender thread, I have the code to record to a byte array, pack a Datagram packet with just the data, send it, receive and then play. It works flawlessly,...
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20 views

iOS Swift send AudioQueue over Socket

I am working on a VoIP app and going to stream live mic voice over Socket. I managed to record sound with AudioQueue and then play it, but how can I send live buffered data over UDP Socket and then ...
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32 views

How to build PJSUA2 (swig) with Visual Studio 2015

I try to compile PJSUA2 for Python. I could manage to compile the source with Visual Studio 2015 Community edition. My question is, how can I install the Python module now? The guide suggests to ...
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1answer
30 views

How to access audio stream in real time when using Tokbox

I'm building a voice-only IOS (swift) app and Tokbox is my VoIP provider. My app is simple: user1 is talking to user2. However, I would like to get access to the audio stream in real-time. I'm ok ...
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11 views

How to get RTP stteam analysis data from sharppcap or pcapdotnet in c#

I'm able to get sip packets and rtp packet information with the help of sharpcap and pcapdotnet but don't know how to get rtp stream analysis data from pcap file in c#, can anyone help? I want to get ...
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1answer
26 views

webrtc android video call sound has screeching sound and echos

I am trying to implement VideoCall feature using this repo as base. I got everything working but now the issue is the audio is very poor and it has screeching sound and echo. Audio is barely audible. ...
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33 views

how to display VOIP call screen above Always On Display screen?

I'm using PJSIP library for VOIP calls, and I have a problem when I get a VoIP call. When the phone is locked or unlocked everything works fine. But if Always On Screen (AOD) is turn on I can hear ...
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14 views

linphonecsh - react to incoming keypress events

Is tehre a way that linphone recognises a key which the other participant presses at his phone? Partner L (Linphone) talks to B, B presses a key and L should recognise this. Any help is welcome! ...
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7 views

SIP Register Error in Opening Sip Manager

I am trying to Develop SIP app in Android and I am getting error in Opening the Sip Manager. Here is the code: public void RegisterSip(View v){ //Create SIP Manager if (manager == null){...
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16 views

VoIP push at background launch keeps active app even completion() called

When I send VoIP push from server , it launch app at background .But after complete task in background , i want to terminate app from background . func pushRegistry(_ registry: PKPushRegistry, ...
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10 views

SIP calls from Internal to External or Vice Versa drops after 30 seconds

Good day! We have this problem with SIP configuration wherein the calls keeps on getting dropped after 30 sec. This problem only occurs if the call is from Internal to External (Vice Versa). Internal ...
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pjsip call hangup delayed if network switches from IPv6 to IPv4 during call

I am using PJSIP client for handling VOIP calls.currently i have two servers setup. 1 - test1.myvoipserver.com (only support IPv4) 2 - test2.myvoipserver.com (only support IPv6) In client side, I ...
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16 views

WebRTC to Sip legacy

I'm triying to write a simple javascript script that call mobile phones using a legacy sip server (clouditalia). The problem is that the sip server is not compatible with webrtc, i read around the web ...
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1answer
76 views

iOS WebRTC is not working with some STUN/TURN servers

We have a platform that has the Dashboard, Android app and the iOS app and it is using webRTC for video calls.The problem is Android and Dashboard are working ok with all of our STUN/TURN servers, but ...
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17 views

Adding arabic language for mitel ip phone

Is there a way to add a new language like(Arabic Language) to Mitel ip phone? My directories contain some contacts in Arabic language, and I don't know how to search about them. How can I solve this ...
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21 views

Service stops when phone locked

In Voip application, When two person are connected one person is using Google Pixel 2 XL OS Android Pie and other is using Marshmallow os. Once Pixel is locked they can still talk after 10-20 seconds,...
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8 views

API for adding VOIP app call option to stock dialer?

In Android, is there an API to have the dialer show a line in the ‘Call with’ selection box for a third-party VOIP app in the stock dialer? Currently, lines for different cell phone (multi-sim) and ...
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1answer
49 views

A method was called at an unexpected time at UWP Suspending

While calling SendMessageAsync of AppServiceConnection on Supending of UWP application causing following error System.Runtime.InteropServices.COMException: 'A method was called at an unexpected ...
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1answer
27 views

Batch File SIP ALG test [closed]

The below line has a program that runs like a batch file. I'm needing to create something similar that can run as just a batch file to test for SIP or ALG. https://kb.iplogin.ca/hc/en-us/articles/...
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1answer
42 views

Request failed: client error (422) QuicBlox

We implemented QuickBlox chat and voip, it was working fine. Two days back suddenly got error while sending voip pushnotifications. Please see the below error message: Send voip push - Error ...
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1answer
17 views

How to prevent minimized app to stay on foreground after the VoIP call ended?

I'm trying to develop a VoIP call application on Android and there is a problem which I cannot find any solution. Also, I don't know how to search the problem, so let me explain the scenario: User ...
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1answer
33 views

Implementing a VOIP feature [closed]

I have a server that I built with nodeJS and express and I want to add a VOIP feature to it. What I mean is I have a twilio phone number, and while I know how to use webhooks in order to reply with ...
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1answer
128 views

getting realtime audio stream from voip or sip systems

I am building an application that gets real-time audio from our organization's VoIP system, records the call and transcribe the real-time voice. The transcription then passed to our analytics engine ...
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25 views

ALSA Virtual microphone for VoIP

I am trying to create a virtual microphone for Voice Over IP which enables be to modify the audio before sending it in. I am on Ubuntu 16.04 with python 3.5 To clarify: I want to be able to take ...
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1answer
17 views

Opensips suddenly crash in two-three days running

I am using opensips, it is working fine but after 2-3 days it suddenly crash. Don't understand following log CRITICAL:core:receive_fd: EOF on 17 INFO:core:handle_sigs: child process 14090 exited by a ...
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1answer
31 views

UWP Windows Iot Core VoIP Support

I would like to find out if Win10 IoT Core supports VoIP? If it does, where can I get reference as I googled and can't find any info or reference. Thanks.
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1answer
95 views

How do I modify the SIP bind IP address on FusionPBX/Freeswitch?

I am currently running FusionPBX 4.4 on CentOS 7 with PostgreSQL. I installed the system with one IP address, e.g. 192.168.201.201, and now want to move the system to a new IP address, e.g. 10.65.208....
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2answers
133 views

Extracting and injecting audio to an ongoing VOIP call

I am very new when it comes to VOIP and integrations with VOIP systems. Here is what I am trying to do: A caller calls in and operator answers the call. 1.1. Start streaming audio of caller to ...
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1answer
15 views

QuickBlox VoIP pem file Disabled

I implemented quickBlox with voIP successfully. Two days before it shows that, voIP pem file is Disabled permanently due to errors. How to solve this issue.
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27 views

VoIP certificate generation, dependency on any other thing

I've been struggling to fix this error Twilio Error - 52134 Invalid APNs device token I've generated fresh certs almost 10 times even including from different macbooks. As it stands right now call ...
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1answer
111 views

Twilio Error - 52134 Invalid APNs device token

I've upload my app on TestFlight and trying to make voice call using twilio and it's throwing Error - 52134 Invalid APNs device token. I've been reading a lot of tutorials on fixing it but despite all ...
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0answers
42 views

UI won't display when entering my app from a VOIP call received in the background?

I'm having a little confusion in regards to showing my UI when opening the app from an incoming background video call. I am successfully causing iOS to summon the default "incoming video call" ...
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6 views

Outbound call from VoxEngine

I have a scenario where the caller is connected to a dialogflow agent, let's call it call1. My dialogflow agent can respond me with a number to call. I want to hold off the current call (call1) and ...
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19 views

iOS - VialerSIP - Send DTMF via Inband

I'm using VialerSIP for my iOS VOIP app. I'm trying to send DTMF via inband instead of the method: - (BOOL)sendDTMF:(NSString * _Nonnull)character error:(NSError * _Nullable * _Nullable)error; in ...
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10 views

How to apply encryption on SipAudioCall in android

In android I have connectivity with Voip system. I want End-to-End encryption. When User speaks then its voice should be encrypt and send to the server then from other client it should decrypt. I am ...
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2answers
117 views

How to forward sip call on Asterisk using PJSIP?

I recently migrated our old server to new Asterisk with PJSIP, we are using database and AGI to control calls. Our customer can set up calls to either PSTN or Sip endpoints. In old sip server, we were ...
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2answers
32 views

How to set type to my audio so it will be treated like a call?

I'm making VoIP app on Android, playing PCM audio like in Play PCM stream in Android On my phone (LG V20, Android8) it works, but when I'm using volume buttons, it doesn't show Call volume and ...

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