| 摘要 |
<p>PURPOSE:To check the matching property of communication procedure between calling and called terminal equipments without inquiring of a management equipment by providing an in-network header including communication protocol corresponding to a calling terminal equipment to a call request packet. CONSTITUTION:The in-network header including communication protocol information corresponding to a caller terminal equipment is added to a call request packet sent by a caller side terminal allocation device 3a. Then the sender communication protocol information is set by referencing the communication protocol information 24a in the attribute information 15a of a terminal equipment 2a of an attribution information table 15. An incoming terminal accommodation equipment 36 collates the communication protocol information 24b corresponding to the incoming terminal equipment 26 and the communication protocol information 24a of the caller terminal equipment 2a included in the in-network header of the received calling request packet to check the matching property of the communication procedure between the caller and called terminal equipments. Thus, in checking the matching of the communication procedure between both the caller and called terminal equipments, it is not required to inquire of the management equipment 1 on each occasion.</p> |
