Patent ID: 7733882
Filing Date: 2010-06-08
Classification: H04L,H04M

Abstract:
1. A communication system with employment of an Internet Protocol (IP) transfer network, wherein: said IP transfer network includes a plurality of network node apparatus, a plurality of connection servers and a domain name server; a first terminal T said first network node apparatus N the communication system is adapted such that, for a request to connect to said second terminal T said first external IP packet X in a case where said first communication record RS said first connection server S said first connection server S said first connection server S in response to said second connection server S said second connection server S said second terminal T in response to a fifth external IP packet X said second connection server S in response to said first connection server S the communication system is adapted to permit setting communication records for terminal-to-terminal communication by sending said response notification to said first terminal T said first connection server S in response to said first terminal T in a case where said first communication record R in response to said first terminal T a communication between said first terminal T