You need to call the number using the IP phone.
It is necessary to solve the following problem using an IP phone: there is an X number that is switched on at a certain time forYou need to call the number using the IP phone. a short period of time. The task is to reach this number. Options for dial-up: a) I dial the client and he expects to communicate, in parallel with this is dialing to number X, when dialing is a connection with the client. B) Dial-up without conferencing. Mandatory condition - multi-threaded call.
Multithreading, number change, auto-dialing, auto-connection, recording of conversation