| 摘要 |
PROBLEM TO BE SOLVED: To make log confirming work be efficient by enabling an IBCF arranged between different types of networks to notify a TrGW of call identification information in requesting incoming side information, and enabling the IBCF to use call identification information in identifying a call from a log in the TrGW when confirming a log related to the call.SOLUTION: A communication system comprises: session control means for performing session control by connecting with a plurality of communication networks whose types differ from each other; and transfer control means for performing transfer control of a packet signal by connecting with the plurality of communication networks. The session control means gives an incoming side information request message including call identification information for identifying a call included in a received call connection request, to the transfer control means. |
