FIELD: information technology.
SUBSTANCE: method of converting a call back signal to an incoming call involves setting up call back signal information according to a call back signal setup request, obtaining data with call information according to the set up call back signal information, and transmitting the necessary data to a user terminal. The method of converting an incoming call to a call back signal involves call back signal setup request in accordance with the incoming call setup information. The user terminal sets up an incoming call using incoming call setup information and also sets up the call back signal corresponding to the incoming call.
EFFECT: wider range of technological tools.
52 cl, 22 dwg
