voip

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 4 years ago . I'm looking into developing an application that will require live streaming of audio. I would prefer to use some cross-platform (windows/linux/BSD) open source library written in C or C++ even though writing it using the respective OSs' Sound APIs is still an option. I have read a bit about various sound

问题 During an investigation into a different problem (Inconsistent systemd startup of freeswitch) I discovered that both the latest freeswitch 1.6 and 1.7 paused for several minutes at a time (between 4 and 14) during boot up on centos 7.1. Whilst it was intermittent, it was as often as one time in 3 or 4. Running this from the command line : /usr/bin/freeswitch -nonat -db /dev/shm -log /usr/local/freeswitch/log -conf /usr/local/freeswitch/conf -run /usr/local/freeswitch/run caused the following

问题 I am developing an android application where I have used SINCH SDK for VOIP service. It is working too good as per our requirement. I have only one issue that I am unable to get DICE event on Callback URL (which is set at SINCH dashboard) or Call end event in mobile SDK when I perform app to phone call and recipient declines the call. I am able to get DICE event only if recipient pick ups the call and then disconnect it. Can anyone help? 来源： https://stackoverflow.com/questions/42434323/unable

问题 I'm working on a VoIP phone for iOS, and if a call comes in while running in the background, I do a presentLocalNotificationNow with a UILocalNotification message to inform the user. This works fine, however the banner expires and rolls off the screen before the user has enough of a chance to swipe and answer. I have tried scheduling further notifications at regular intervals, but that fills up the notification centre and causes the banner to appear to be tumbling. Is there some way to

问题 I want to create a voice chat application as a part of a project. However, i am totally lacking direction regarding the programming language to use, the technologies involved. Can somebody please guide me as to how i should proceed ? Here are the features that i require : user to user voice chat ability to chat in conference (more than 2 users) How do i connect one user to another ? How to handle voice transmission ? How to effectively route packets in a conference ? I'm thinking the most

问题 When the app is in background and an incoming call has happened and the user didn't pick up. When the user gets back into the app - (void)client:(id<SINCallClient>)client didReceiveIncomingCall:(id<SINCall>)call is being invoked. Steps to reproduce User A caller User B receiver User B has the app in background User B calls user A User B hangs up the call before user A picks up User B opens the app and - (void)client:(id<SINCallClient>)client didReceiveIncomingCall:(id<SINCall>)call gets

问题 We have a server "Elastix". Is there a way to make something like this? If someone calls on fax machine, write this behavior in database and hangup immediately. I heard about AMD application and read a lot of information, but still don't quite understand, how to make it do what I need. Can you help me with solution, please? Thank you in advance! 来源： https://stackoverflow.com/questions/38570123/how-can-we-handle-outgoing-fax-calls

问题 Let's say I need to implement a callback service on a website. I'm curious if it's possible to develop it using Twilio. For example, if a website visitor provides his mobile phone number from one side, from another side I have a manager using his web CRM application. Is it possible to: Make a call (using WebRTC?) to a manager When the manager replies the incoming call, call to the website visitor (on his mobile phone) Connect both sides together I know there are lots of ready-to-use callback

问题 Hi, BACKGROUND I am buidling a chat messaging applicaiton and I faced problem to handling push notificaton when user receiving message from the sender.IV ACHIEVE Like Whatsapp does, after I received the push notification and I turned on the airplane mode, I still can see the message contains while I open the app. so, I believe it has get the message while receiving the notification. PROBLEM I cannot find a good way to handle the remote chat message push notification when user open the app

问题 I implemented an Android app that uses Voip by Android.net.rtp library. It simply gets voice from device microphone and sends it in Voip (to another Android or to a PC receiver). The problem is that on some devices the voip trasmission start after 2–3 seconds. I don't mean that there is a delay of 2–3 seconds in delivering packets, I mean that the first 2–3 seconds of voice are not sended. After those 2–3 seconds everything works properly. The strange thing is that it happens only on some