Ancillary data support in session initiation protocol (SIP) messaging
View Patent ↗A SIP ancillary data server provides host to auxiliary data for an emergency SIP session (call) uniquely referred to in a transported SIP header. In a manner similar to how location is represented in an emergency call, a SIP header is extended. The extended SIP Header contains one of two possible types of content elements: either (a) a content pointer element to a SIP Message body part (a “cid:”, or content identifier); or (b) an <information_URI> (a.k.a, “info_URI” in this document).
1. A Session Initiation Protocol (SIP) proxy server for facilitating inclusion of auxiliary data in a SIP session, comprising:
a first communication path, from an initiator device, to receive an emergency SIP message including an extended header comprising current location information of said initiator device and a uniform resource identifier referencing an external source device providing auxiliary emergency information associated with said emergency SIP message;
an auxiliary information module to obtain said auxiliary emergency information from a server addressed by said uniform resource identifier; and
a second communication path to communicate said auxiliary emergency information associated with said emergency SIP message, to a recipient device.
2. The Session Initiation Protocol (SIP) proxy server for facilitating inclusion of auxiliary data in a SIP session according to claim 1 , wherein:
said uniform resource identifier (URI) relates to an IP address of said auxiliary emergency information.
3. The Session Initiation Protocol (SIP) proxy server for facilitating inclusion of auxiliary data in a SIP session according to claim 1 , wherein:
said emergency SIP message corresponds to an emergency Voice over Internet Protocol (VoIP) call.
4. The Session Initiation Protocol (SIP) proxy server for facilitating inclusion of auxiliary data in a SIP session according to claim 1 , wherein:
said auxiliary emergency information comprises audio relating to said emergency SIP message.
5. The Session Initiation Protocol (SIP) proxy server for facilitating inclusion of auxiliary data in a SIP session according to claim 1 , wherein:
said auxiliary emergency information comprises video relating to said emergency SIP message.
6. The Session Initiation Protocol (SIP) proxy server for facilitating inclusion of auxiliary data in a SIP session according to claim 1 , wherein:
said auxiliary emergency information comprises textual data.
7. The Session Initiation Protocol (SIP) proxy server for facilitating inclusion of auxiliary data in a SIP session according to claim 1 , wherein:
said universal resource identifier comprises a universal resource locator (URL) of a web site containing information relating to said emergency SIP message.
8. The Session Initiation Protocol (SIP) proxy server for facilitating inclusion of auxiliary data in a SIP session according to claim 1 , wherein:
said initiator device of said emergency SIP message is a wireless device.
9. The Session Initiation Protocol (SIP) proxy server for facilitating inclusion of auxiliary data in a SIP session according to claim 1 , wherein:
a form of said uniform resource identifier is <information_URI>.
10. A method of facilitating inclusion of auxiliary data in a Session Initiation Protocol (SIP) session, comprising:
receiving, from an initiator device, an emergency SIP message including an extended header comprising current location information of said initiator device and a uniform resource identifier referencing an external source device providing auxiliary emergency information associated with said emergency SIP message;
obtaining said auxiliary emergency information from a server addressed by said uniform resource identifier; and
establishing a second communication path to communicate said auxiliary emergency information associated with said emergency SIP message, to a recipient device.
11. The method of facilitating inclusion of auxiliary data in a Session Initiation Protocol (SIP) session according to claim 10 , wherein:
said uniform resource identifier (URI) relates to an IP address of said auxiliary emergency information.
12. The method of facilitating inclusion of auxiliary data in a Session Initiation Protocol (SIP) session according to claim 10 , wherein:
said emergency SIP message corresponds to an emergency Voice over Internet Protocol (IP) call.
13. The method of facilitating inclusion of auxiliary data in a Session Initiation Protocol (SIP) session according to claim 10 , wherein:
said auxiliary emergency information comprises audio relating to said emergency SIP message.
14. The method of facilitating inclusion of auxiliary data in a Session Initiation Protocol (SIP) session according to claim 10 , wherein:
said auxiliary emergency information comprises video relating to said emergency SIP message.
15. The method of facilitating inclusion of auxiliary data in a Session Initiation Protocol (SIP) session according to claim 10 , wherein:
said auxiliary emergency information comprises textual data relating to said emergency SIP message.
16. The method of facilitating inclusion of auxiliary data in a Session Initiation Protocol (SIP) session according to claim 10 , wherein:
said universal resource identifier comprises a universal resource locator (URL) of a web site containing information relating to said emergency SIP message.
17. The method of facilitating inclusion of auxiliary data in a Session Initiation Protocol (SIP) session according to claim 10 , wherein:
said initiator device of said emergency SIP message is a wireless device.
18. The method of facilitating inclusion of auxiliary data in a Session Initiation Protocol (SIP) session according to claim 10 , wherein:
a form of said uniform resource identifier is <information_URI>.