METHOD AND APPARATUS FOR DISCOVERING INTERNET PROTOCOL TELEVISION SERVICE (IPTV) PROVIDER AND IPTV SERVICE BY USING SESSION INITIATION PROTOCOL
First Claim
Patent Images
1. A computer implemented method of receiving information about one or more service providers in a network comprising a first entity and a second entity, the method comprising:
- generating a first Session Initiation Protocol (SIP) message requesting information about one or more service providers providing a service;
transmitting the first SIP message to the second entity; and
in response to the first SIP message, receiving a second SIP message including the information about the one or more service providers from the second entity.
1 Assignment
0 Petitions
Accused Products
Abstract
Provided are a method and apparatus by which a first entity receives information about one or more Internet Protocol Television (IPTV) service providers or information about one or more IPTV services from a second entity by using a Session Initiation Protocol (SIP) message.
57 Citations
42 Claims
-
1. A computer implemented method of receiving information about one or more service providers in a network comprising a first entity and a second entity, the method comprising:
-
generating a first Session Initiation Protocol (SIP) message requesting information about one or more service providers providing a service; transmitting the first SIP message to the second entity; and in response to the first SIP message, receiving a second SIP message including the information about the one or more service providers from the second entity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 41)
-
-
18. A method of providing information about one or more service providers to a first entity, wherein the providing is performed by a second entity, the method comprising:
-
receiving a first SIP message requesting information about one or more service providers providing a service; in response to the first SIP message, generating a second SIP message comprising the information about the one or more service providers; and transmitting the second SIP message to the first entity. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 42)
-
-
35. An information receiving apparatus for receiving information about one or more service providers in a network comprising a first entity and a second entity, the information receiving apparatus comprising:
-
a message generating unit generating a first SIP message requesting information about one or more service providers providing a service; a message transmitting unit transmitting the first SIP message to the second entity; and a message receiving unit receiving a second SIP message comprising the information about the one or more service providers from the second entity, in response to the first SIP message. - View Dependent Claims (36, 37)
-
-
38. An information providing apparatus for providing information about one or more service providers in a network comprising a first entity and a second entity, the information providing apparatus comprising:
-
a message receiving unit receiving a first SIP message requesting information about one or more service providers providing a service; a message generating unit generating a second SIP message comprising the information about the one or more service providers, as a response to the first SIP message; and a message transmitting unit transmitting the second SIP message to the first entity. - View Dependent Claims (39, 40)
-
Specification