INDUCED ANSWERING METHOD AND SYSTEM FOR CIRCUIT SWITCHING-BASED TELEPHONY

摘要

A user terminal in a telecommunications network includes a circuit-switched (CS) telephony device and a packet-switched (PS) data processing device. The CS telephony device receives a CS-alert signal from the network for an incoming CS call and derives from the CS-alert signal that an associated PS signal is to be expected within a predetermined time interval. The terminal postpones generation of a call-received alarm for a user during the predetermined time interval. The PS data processing device receives the associated PS signal within the predetermined time interval, wherein the PS signal includes a request that the user terminal automatically answer the incoming CS call. In response to the request, the PS data processing device passes a control signal to the CS telephony device causing the CS telephony device to switch to an automatic answering mode and transmit a CS-answer signal to the network without input from the user.