Method of conveying a location information representing a physical location of a first communication device, a computer program product for executing the method, and the first communication device for conveying the location information

摘要

A method of conveying a location information (2) representing a physical location of a first communication device (D) from the first communication device (D) to a server (S) comprises sending a first invite message (12) of the server (S), the server (S) being triggered by a third communication device (C), to the first communication device (D) to invite the first communication device (D) to initiate a communication connection (26) to a second communication device (T), and sending an answer message (13) of the first communication device (D) in response to the first invite message (12) to the server (S), wherein the location information (2) is inserted in the answer message (13) for insertion in a second invite message (14) of the server (S) to the second communication device (T) to invite the second communication device (T) to accept the communication connection (26).

主权项

1. A method of conveying a location information representing a physical location of a first communication device from the first communication device to a server, the method comprising:
sending a first invite message of the server, after the server has been triggered by a third communication device, to the first communication device to invite the first communication device to initiate a communication connection to a second communication device, and sending an answer message of the first communication device in response to the first invite message to the server, wherein the location information is inserted in the answer message for insertion in a second invite message of the server to the second communication device to invite the second communication device to accept the communication connection; conveying the location information by using a Session Initiation Protocol (SIP), wherein the first communication device, the second communication device, the third communication device, and the server are used in a Third Party Call Control configuration; and conveying information about an error resulting from the location information inserted in at least one of the answer message and the second invite message through a SIP BYE message.