Title:
THE METHOD, SYSTEM AND APPLICATION SERVER TO AVOID THE CROSS-TALK OF COLOR RINGING BACK TONE
Document Type and Number:
WIPO Patent Application WO/2008/064580
Kind Code:
A1
Abstract:
A method and system to avoid the cross-talk of color ringing back tone are disclosed.
When multiple entities in network provide the color ringing back tone service
for a call simultaneously, on the basis of predisposed policy, the application
server judges whether the ringing back tone information or suggestive tone information
from called party should be shielded. If the judged result is true, based on the
service logic, the ringing back tone played by called party is shielded and the
ringing back tone provided by increment service is played for calling user. Thus,
the said method and system can avoid the cross-talk problem, which is brought
by playing ringing back tone for calling user from multiple parties, and can provide
the accordant experience of increment service for all users. Whether the called
user is color ringing back tone user or not, the said method and system do not provide
different ringing back tones. Because the said method and system judge whether
the ringing back tone played by called party is shielded, they can directly transmit
the ringing back tone or suggestive tone of called party to calling party on the
basis of requirement. An application server also is disclosed.
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Inventors:
MIAO CAIXIA (CN)
YANG XIANGYU (CN)
YANG XIANGYU (CN)
Application Number:
PCT/CN2007/070218
Publication Date:
June 05, 2008
Filing Date:
July 03, 2007
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
MIAO CAIXIA (CN)
YANG XIANGYU (CN)
MIAO CAIXIA (CN)
YANG XIANGYU (CN)
International Classes:
H04M3/42
Foreign References:
| CN1852360A | 2006-10-25 | |||
| CN1816077A | 2006-08-09 | |||
| CN1832518A | 2006-09-13 | |||
| US20040120494A1 | 2004-06-24 |
Other References:
See also references of EP 1976253A4
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (Scitech PlaceNo.22, Jian Guo Men Wai Ave.,Chao Yang District, Beijing 4, CN)
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