bcp for a large scale carrier-level VoIP system using p2psip
This document introduces a practical work for Peer-to-Peer (P2P) SIP system based on Distributed Service Network (DSN), which was proposed by China Mobile in ITU-T. In this document, it introduces some key problem of carrier grade P2PSIP VoIP system. Then it gives a brief introduction on DSN VoIP system and especially discusses some key technologies aimed at those mentioned problems. At last, we presents some measurement works for validating DSN VoIP system call transaction performance, reliability and high Availability.