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RCS enhances consumer VoIP services by adding a whole suite of new features going beyond voice and simple text communication. The emphasis is on a contact oriented approach where a user can not only initiate conversation but can also see his contacts interest, mood, location and willingness to communicate.
VoipSwitch’s RCS is a complete platform consisting of a mobile and desktop clients and the server part with RCS node. In addition there is an RCS Portal offering all RCS features directly from a browser. It supports also WebRTC for audio and video calling.
The RCS backend network elements are responsible for all ONNET (free) communication and special features while paid services are realized by a separate softswitch and billing system.
This separation of RCS node and softswitch allows for integration not only with the VoipSwitch’s class 5 softswitch but also with most of 3rd party softswitches.
The system has been deployed so far with several popular class 5 softswitches as well as calling card platforms.

Main Rich Communication Suite features (VoipSwitch implementation)
- Private user identity with associated multiple public identities: nickname/alias, phone number, social network ID 
- Sharing one account on multiple devices, inbound calls and IM forking 
- SIM phone number provisioning, SMS and callback verification process 
- Sign up with service ID for desktop and tablets, optional on smartphones 
- Enhanced Address Book on device showing RCS users 
- Converged Network Address Book stored on the server and shared on all user devices 
- Presence showing availability and free text (status) 
- Social profile information with avatar and personal details 
- Multimedia files transfer (video, audio notes, pictures) 
- Geolocation sharing 
- Instant messaging (chats) 
- Message inbox (for offline messages) 
- Delivery confirmation 
- Voicemail inbox with voicemail to email delivery 
- Find friends – public directory, search by email, name, id, number etc. 
- PUSH support – calls and messages reach the user even when the app is closed 
- HD audio and video calling, WebRTC compatible 
- Peer to peer calling with fallback to media relay (ICE, TURN) 
- Group Chat 
- Audio multiparty conference 
- Video multiparty conference (desktop version only) 
- Encryption for signalling, chats, audio and video 


