A communication device for joining a user to a group call in a group communication network
A communication device for joining a user to a group call in a group communication network
- CN 1,643,969 A
- Filed: 02/12/2003
- Published: 07/20/2005
- Est. Priority Date: 02/14/2002
- Status: Expired due to Fees
- EN CH
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- Pin
