Is it possible to mix conference calls between PSTN-APP-SIP?

[Roland_Ian]

Yes, it is possible to connect to a conference from different call types, using SVAML (Sinch Voice Application Markup Language) command connectConf in an ICE reply during a call flow or a Conference callout to a PSTN endpoint.

Further Resources:

• SVAML quick reference
• Conference Callout quick reference

Visit Sinch Developer site to learn more.

[#2]

Documentation

API

Documentation for Voice Calling API: https://developers.sinch.com/docs/voice/api-reference/voice

 

SDKs

Android : https://developers.sinch.com/docs/in-app-calling/android-cloud/

iOS : https://developers.sinch.com/docs/in-app-calling/ios-cloud/

Javascript: https://developers.sinch.com/docs/in-app-calling/js-cloud/

 

Download SDKS

Latest Voice SDKs: https://developers.sinch.com/docs/in-app-calling/sdk-downloads/

 

Samples

Voice SDK

Reference Apps: JS, Android, iOS  https://github.com/sinch/rtc-reference-applications

Calling API

webhook callback application: https://github.com/sinch/voice-api-webhook-nodejs

php client + samples : https://github.com/sinch/voice-api-php

 

Purchasing a number:

How to: https://community.sinch.com/t5/Virtual-Numbers/Getting-a-number-from-Sinch/ta-p/8081

Login to  https://dashboard.sinch.com/numbers/buy-numbers find the number you want.