另一方面，会话初始化协议(SIP)和对等网络技术(P 2 P)已经成为如今互联网和通信界最热门的话题之一。
On the other hand, Session Initiation Protocol (SIP) and peer-to-peer (P2P) technologies has become one of the most popular topic in Internet and communication industry.
另一方面，会话初始化协议(SIP)和对等网络技术(P 2 P)已经成为如今互联网和通信界最热门的话题之一。
On the other hand, Session Initiation Protocol (SIP) and peer-to-peer (P2P) technologies has become one of the most popular topic in Internet and communication industry.
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