In the previous chapters, we had encountered the WebRTC integration architecture with and without the solution design. We will now draw our attention to the development of the full-fledged WebRTC client; this includes the basic features and rich communication services that must be implemented to put our WebRTC client in the ranks of a standard communication body.

This chapter only describes the basic features expected from a SIP-based WebRTC client. I have grouped the services into categories that best describe the implementation. The basic SIP services such as registration, call, instant message, call transfer, as well as enhanced SIP services, such as Presence and user capability, are also explained. The Media Server plays a crucial role in the development of some of the other SIP services, such as voicemail, IVR, Conferencing, Music on Hold, among others. This chapter explains the introduction of Media Services in the WebRTC client as well.

As...