Title:
A SYSTEM AND A METHOD FOR PLAYING COLORING RING BACK TONE BASED ON THE CALLED USER'S STATE PRESENCE INFORMATION
Document Type and Number:
WIPO Patent Application WO/2007/019729
Kind Code:
A1
Abstract:
The system for playing coloring ring back tone(CRBT) based on the called user's state
presence information in the invention includes: HLR, the calling user's MSC/VLR,
the called user' s MSC/VLR, CRBT control server and state presence server.
The method for playing CRBT based on the called user's state presence information
in the invention includes: provides the state presence server in the communication
system which including the CRBT control server; establishes physical connection
channel and defines information interactive interface between the CRBT control
server and the state presence server; the CRBT control server obtains the called
user's current state information by exchanging the information through
the information exchange interface; the CRBT control server plays the corresponding
CRBT based on the obtained information and the related contracted information
of the CRBT service when the user is called. Thus, the CRBT control server can play
the CRBT based on the playing priority early defined by the called user.
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Inventors:
SHANG GUOQIANG (CN)
HU ANBIN (CN)
SUN JIN (CN)
HU ANBIN (CN)
SUN JIN (CN)
Application Number:
PCT/CN2005/001288
Publication Date:
February 22, 2007
Filing Date:
August 18, 2005
Export Citation:
Assignee:
ZTE CORP (CN)
SHANG GUOQIANG (CN)
HU ANBIN (CN)
SUN JIN (CN)
SHANG GUOQIANG (CN)
HU ANBIN (CN)
SUN JIN (CN)
International Classes:
H04J13/02; H04M3/42; H04W8/18
Foreign References:
CN1625194A | 2005-06-08 | |||
CN1335015A | 2002-02-06 | |||
CN1294811A | 2001-05-09 | |||
US5539809A | 1996-07-23 | |||
US6181927B1 | 2001-01-30 | |||
CN1529526A | 2004-09-15 |
Other References:
See also references of EP 1919112A4
Attorney, Agent or Firm:
LIAN & LIEN IP ATTORNEYS (Suite 901 Tower A, Huaxin Building, No.33 Anding Roa, Chaoyang District 9 Beijing, CN)
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