CALL PATH CONTROL METHOD

摘要

The method assigns an additional loop for a special call needing two loops. The method comprises the steps of: (A) forming a loop for a first transmitter and a first receiver; (B) forming a loop between a first transmitter and a second transmitter when an additional communication loop is requested by a first transmitter; (C) breaking a loop between a first transmitter and a first receiver so that a first transmitter communicates with a second receiver; (D) releasing the loop between a first transmitter and a first receiver; (E) transferring a loop between a second transmitter to an ordinary call loop; and (F) releasing the ordinary call loop when a call is over.