I have integrated RingCentral API for making Authentication,Inbound and Outbound SMS,SMS Store.But for making Voice call I have integrated the WebPhone from https://github.com/ringcentral/ringcentral-web-phone .WebPhone is a browser based application and I want to integrate it in my Desktop application.How to retrieve the Address book and make a call from the list of contacts from Address book and make Voice call from WebPhone.
I can share more details if required.
Regards,