| 摘要 |
A telecommunications system includes a network (222); a plurality of user devices (106, 108, 110, 112) operably coupled to said network (222) and including a microphone (824) and a speaker (826); a ccollaboration server (101) configured to cause a playing of one or more test tones at said plurality of user devices (106, 108, 110, 112) and compensate for feedback if said test tones are detected by microphones (824) associated with said plurality of user devices (106, 108, 110, 112). |
