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Wrong prefix of temporary group lead to Data conference failed

Publication Date:  2013-03-04 Views:  93 Downloads:  0
Issue Description
version: espace UC V200R001C02SPC200
when click data conference button on espace desktop, cannot held a data conference.
Alarm Information
Handling Process
check the configuration of  temporary group prefix on "BMP > configuration > Deployment Policy Configuration > Policy > Temp. group server domain", the domain is

check the settings by "XCnfg > chatserver", the domain name is

set the prefix on BMP as, and restart BMP, problem solved.
Root Cause
make capture on espace desktop: espace receive "400 bad request" when held a meeting. need to trace the log on espace U2980.

trace the log on espace U2980, find log like blew: espace U2980 received SIP error "400" when espace U2980 send invite to the AS server,

so the error information is on the server, need to check the configuration of the server. 
be careful with every configuration. before change the settings, must know what function of this setting.