METHOD FOR CALLING AND ANSWERING MULTI-PORTABLE DEVICE

摘要

waiting a receiving signal while increasing channels in a ring on state; checking a ring on by increasing a number field of a potable system by one filed; transmitting a ring off/on signal after editing depending on the results of the ring on checking step; and transmitting a recognizing signal after editing when the received signal is hook off signal, and connecting a switch after turning off a hook relay switch.