Title:
AGENT METHOD OF MEDIA STREAM, VOICE EXCHANGER AND COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2010/054561
Kind Code:
A1
Abstract:
An agent method of media stream, a voice exchanger and a communication system. The agent method of media stream includes: the voice exchanger obtains address information of a called user which has been past network address translation, replaces the constructed called user’s address and port information carried in the media stream message sent by a calling user with the called user’s address information which has been past the network address translation, sends the replaced media stream message to the called user. The voice exchanger includes: an obtaining unit, a replacing unit and a transmitting unit. The communication system includes: a voice exchanger and a device for network address translation.
Inventors:
YANG HENGZONG (CN)
Application Number:
PCT/CN2009/073094
Publication Date:
May 20, 2010
Filing Date:
August 05, 2009
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
YANG HENGZONG (CN)
YANG HENGZONG (CN)
International Classes:
H04L29/06; H04L12/56
Foreign References:
| CN1968181A | 2007-05-23 | |||
| CN1633102A | 2005-06-29 | |||
| CN1878175A | 2006-12-13 |
Other References:
See also references of EP 2357761A4
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (Scitech PlaceNo.22, Jian Guo Men Wai Ave., Chao Yang District, Beijing 4, CN)
Download PDF: