Patent ID: 7830861

Claim:
A scalable system for providing real time communication services between user devices, the scalable system comprising: a call control element providing system call control functions; a scalable border element providing scalable system interface functions and in communication with the call control element; a first user device for initiating a call and in communication with the scalable border element; and a second user device acting as a call destination device and in communication with the scalable border element, wherein the scalable border element comprises: a border element signaling entity providing border element signaling functions and in communication with the call control element; a first border element media entity providing border element media functions in communication with the border element signaling entity and in communication with the first user device for initiating the call; and a second border element media entity providing border element media functions in communication with the border element signaling entity, in communication with the first border element media entity for media transfers and in communication with the second user device acting as the call destination device.