| 摘要 |
PCT No. PCT/FI95/00071 Sec. 371 Date Dec. 27, 1995 Sec. 102(e) Date Dec. 27, 1995 PCT Filed Feb. 15, 1995 PCT Pub. No. WO95/23475 PCT Pub. Date Aug. 31, 1995A method and telecommunication system for controlling a call in a telecommunication system, which comprises a telecommunication network and a first subscriber station and one or more other subscriber stations, in which method is maintained a call in which the subscriber stations participate. In the method of the invention, to remove the desired subscriber stations from the call, the first subscriber station instructs the telecommunication network to remove one or more other subscriber stations from the call, and the telecommunication network removes one or more other subscriber stations from the call without the call being interrupted. In particular, upon issuance of an addition message containing subscriber IDs, the system adds any identified subscriber not yet participating in the call and removes any identified subscriber already participating in the call. |
