Patent ID: 9736692
Date: 2017-08-15
CPC Classifications: H04L,H04M,H04W

Claim:
1. A computer-implemented method, comprising: establishing, by a server computing device via a wireless computing network, a conference session; allowing, by the server computing device, a client computing device to join the conference session via the wireless computing network; transmitting, by the server computing device and to the client computing device via the wireless computing network, a dial-in telephone number for reconnecting to the conference session; receiving, by the server computing device and from the client computing device, a signal or identifier of the client computing device; in response to receiving the signal or identifier, initiating, by the server computing device, a defined time window during which rejoining of the conference session using the dial-in telephone number is permitted; detecting, by the server computing device, a telephone call by the client computing device to the dial-in telephone number via a cellular telephone network; when the telephone call is detected within the defined time window, allowing, by the server computing device, the client computing device to rejoin the conference session via the cellular telephone network; and not allowing, by the server computing device, the client computing device to rejoin the conference session via the cellular telephone network when (i) the telephone call is detected before the defined time window or (ii) the telephone call is detected after the defined time window.