METHOD AND APPARATUS FOR GENERATING A MESSAGE IN A COMMUNICATION SYSTEM

1 . A method of generating a message in a communication system, the method comprising:

inserting a first media identifier identifying a first media into the message;

inserting a second media identifier identifying a second media into the message;

inserting at least one communication service identifier identifying at least one communication service or at least one communication application identifier identifying at least one communication application into the message; and

individually assigning each of the first media identifier and the second media identifier to at least one of the at least one communication service identifier or to at least one of the at least one communication application identifier.

2 . The method of claim 1 , wherein the message is a communication signaling message.

3 . The method of claim 2 , wherein the communication signaling message is a communication session setup signaling message

4 . The method of claim 1 , wherein the message is an internet based message.

5 . The method of claim 4 , wherein the internet based message is a session initiation protocol message.

6 . The method of claim 5 , wherein the session initiation protocol message is selected from a group of session initiation protocol messages consisting of: a session initiation protocol INVITE message, a session initiation protocol 200 OK message, a session initiation protocol RE-INVITE message, and a session initiation protocol UPDATE message.

7 . The method of claim 1 , wherein the first media and the second media are media selected from a group of media consisting of: speech media, audio media, video media, text media, still image media, graphical media, and multimedia comprising at least two of the above media.

8 . The method of claim 1 , wherein at least some of the first media identifier, the second media identifier, the at least one communication service identifier and the at least one communication application identifier are encoded in accordance with a Session Description Protocol structure.

9 . The method of claim 8 , wherein the Session Description Protocol structure comprises:

at least one Session Level section comprising parameters being valid for an entire communication session; and

at least one Media Level section comprising parameters for individual media.

10 . The method of claim 9 ,

wherein the first media identifier and the second media identifier are inserted into the at least one Media Level section; and

wherein the assignments of the first media identifier and the second media identifier to the at least one communication service identifier or to the at least one communication application identifier are inserted into the at least one Session Level section.

11 . The method of claim 9 ,

wherein the first media identifier and the second media identifier are inserted into the at least one Media Level section; and

wherein the assignments of the first media identifier and the second media identifier to the at least one communication service identifier or to the at least one communication application identifier are inserted into the at least one Media Level section.

12 . The method of claim 1 , further comprising:

inserting at least one communication service identifier identifying at least one communication service and at least one communication application identifier identifying at least one communication application into the message; and

individually assigning each of the first media identifier and the second media identifier to at least one of the at least one communication service identifier and to at least one of the at least one communication application identifier.

13 . A method of generating a message in a communication system, the method comprising:

inserting a first media identifier identifying a first media into the message;

inserting a second media identifier identifying a second media into the message;

inserting at least one communication service identifier identifying at least one communication service and at least one communication application identifier identifying at least one communication application into the message;

individually assigning each of the first media identifier and the second media identifier to at least one of the at least one communication service identifier; and

individually assigning the at least one communication service identifier to at least one of the at least one communication application identifier.

14 . The method of claim 13 , wherein the message is a communication signaling message.

15 . The method of claim 14 , wherein the communication signaling message is a communication session setup signaling message.

16 . The method of claim 13 , wherein the message is an internet based message.

17 . The method of claim 16 , wherein the internet based message is a session initiation protocol message.

18 . The method of claim 17 , wherein the session initiation protocol message is selected from a group of session initiation protocol messages consisting of: a session initiation protocol INVITE message, a session initiation protocol 200 OK message, a session initiation protocol RE-INVITE message, and a session initiation protocol UPDATE message.

19 . The method of claim 13 , wherein the first media and the second media are media selected from a group of media consisting of: speech media, audio media, video media, text media, still image media, graphical media, and multimedia comprising at least two of the above media.

20 . A communication device, comprising a message generator configured to

insert a first media identifier identifying a first media into the message;

insert a second media identifier identifying a second media into the message;

insert at least one communication service identifier identifying at least one communication service or at least one communication application identifier identifying at least one communication application into the message; and

individually assign each of the first media identifier and the second media identifier to at least one of the at least one communication service identifier or to at least one of the at least one communication application identifier.

21 . A computer program product for generating a message in a communication system, the computer program product comprising:

instruction code to insert a first media identifier identifying a first media into the message;

instruction code to insert a second media identifier identifying a second media into the message;

instruction code to insert at least one communication service identifier identifying at least one communication service or at least one communication application identifier identifying at least one communication application into the message; and

instruction code to individually assign each of the first media identifier and the second media identifier to at least one of the at least one communication service identifier or to at least one of the at least one communication application identifier.

22 . The computer program product of claim 21 , wherein the message is a communication signaling message.

23 . The computer program product of claim 22 , wherein the communication signaling message is a communication session setup signaling message

24 . The computer program product of claim 21 , wherein the message is an internet based message.

25 . The computer program product of claim 24 , wherein the internet based message is a session initiation protocol message.

26 . The computer program product of claim 25 , wherein the session initiation protocol message is selected from a group of session initiation protocol messages consisting of: a session initiation protocol INVITE message, a session initiation protocol 200 OK message, a session initiation protocol RE-INVITE message, and a session initiation protocol UPDATE message.

27 . The computer program product of claim 21 , wherein the first media and the second media are media selected from a group of media consisting of: speech media, audio media, video media, text media, still image media, graphical media, and multimedia comprising at least two of the above media.

28 . A method of transmitting media in a communication session, comprising:

setting up a communication session, the setting up comprising:

generating a message in a communication system by

inserting a first media identifier identifying a first media into the message;

inserting a second media identifier identifying a second media into the message;

inserting at least one communication service identifier identifying at least one communication service or at least one communication application identifier identifying at least one communication application into the message; and

individually assigning each of the first media identifier and the second media identifier to at least one of the at least one communication service identifier or at least one of to the at least one communication application identifier; and

transmitting the first media and the second media in accordance with the assignments within the at least one communication service or within the at least one communication application.

29 . A system for generating a message in a communication system, the system comprising:

means for inserting a first media identifier identifying a first media into the message;

means for inserting a second media identifier identifying a second media into the message;

means for inserting at least one communication service identifier identifying at least one communication service or at least one communication application identifier identifying at least one communication application into the message; and

means for individually assigning each of the first media identifier and the second media identifier to at least one of the at least one communication service identifier or to at least one of the at least one communication application identifier.

30 . A system for transmitting media in a communication session, comprising:

means for setting up a communication session, comprising:

means for generating a message in a communication system by

inserting a first media identifier identifying a first media into the message;

inserting a second media identifier identifying a second media into the message;

inserting at least one communication service identifier identifying at least one communication service or at least one communication application identifier identifying at least one communication application into the message; and

individually assigning each of the first media identifier and the second media identifier to at least one of the at least one communication service identifier or at least one of to the at least one communication application identifier; and

means for transmitting the first media and the second media in accordance with the assignments within the at least one communication service or within the at least one communication application.