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I have a task to create an audio chat room between 2 users.

I used app example: Peer connection: audio only

I've changed the code to TypeScript, and it works:

Stackblitz

But I can't make it work between two users (not in one tab; I open 2 firefox windows). I have only very basic knowledge of Angular. To be honest, I'm not an Angular developer and normally I write desktop apps, but I need to develop this app with Angular.

I need to send an offer event to a communication platform(to a room with another user - it's always 2 users in the room). It needs a type: offer and sdp.

Other user responds with an answer event to the same platform, to the same room. It also needs sdp, and type set to answer.

We use matrix.org. Here's VOIP specs

I have already implemented sending these events to a communication platform, I read events from the room, and if there's a call offer event, I can answer with an answer event, but I can't make it work.

I've tried to make it work, so I had to work on last weekend, but there's always some issue like DOMException: "Cannot set remote answer in state stable" etc.

Of course I don's ask for a working code(I know it's a work for few days), but I would appreciate any advice to help me implement it, make it easier and possible for someone with very basic knowledge of Angular and webRTC.

Oh, and I'm not sure why, but this stackblitz example doesn't work in Chrome for me, but it works in firefox.

//EDIT

I'm still trying to find a solution. I try to do something like this now:

I am newbie in PHP and have quite pure experience working with RESTful API. So if anyone can help with my problem I will very appreciate it.

The goal is to create a chat room in Matrix, make some basic steps as registration, logging in and further communication between couple of clients over that room.

Problem 1: It looks like this is the only one documentation that is available at internet at all. https://matrix.org/docs/guides/client-server.html

And it is not clear for me. Could not find any other good examples of what I need.

Problem 2: No sure what type of request to use, as I understand RESTful API can use many of them: Simple request, Asynchronous request, Conccurent request, and the syntax of course differs.

Problem 3: Not sure if I correctly make an request them selves. Examples below.

What I have already done: Because my project in on Laravel, I use Guzzle client to form my queries and via composer have already installet Matrix dependancy as its described here: https://github.com/updivision/matrix-php-sdk

Here is example of my request, which of course don't work properly:

I am creating a bot that connects to a Matrix server. For that I use Net::Async::Matrix.

The code:

i want to make a button with my ESP8266. It needs to communicate with my local Synapse (Matrix.org) Server. I need to get my access_key, and a room_id and need to login my ESP8266.

So i have three http-methods. Each of it works fine, but when they are all three on my ESP8266 then it doesnt work. It seems that the first one dosent get a response but the second one. And then the skript stops because of some variable are nil. Thats why i didnt post the third-method.

I am trying to write a simple Ada (with AWS) program to post data to a server. The curl command is working as follows and return a valid response in JSON after successful login: