| 摘要 |
A communication control apparatus which is capable of transmitting a message to a plurality of destinations by broadcasting using SIP, and also avoiding a situation in which other SIP services cannot be used. A connection request message received from a transmitting-side terminal apparatus via a network is transmitted to destinations associated with an address included in a connection request message. It is determined whether or not a predetermined designation is made as to the connection request message, and when it is determined that the predetermined designation is made as to the connection request message, response messages are received from all receiving-side terminal apparatuses which are the destinations, then a connection response message is transmitted to the transmitting-side terminal apparatus, and all the receiving-side terminal apparatuses which are the destinations and the transmitting-side terminal apparatus are connected to each other by one session. |
