Patent ID: 9553815
Date: 2017-01-24
CPC Classifications: H04L,H04M

Claim:
1. A server apparatus, comprising: a control unit that recognizes start of a voice call including a first terminal connected via a network based on an operation signal received from the first terminal; a packet through unit that allows a packet storing voice data to go through to the first terminal when the packet is received from a second terminal connected via the network in a case where start of the voice call is recognized; an estimation unit that estimates a bandwidth of the network based on a first response packet sent from the first terminal in response to a packet sent to the first terminal, calculates a bit rate of the voice call according to the estimated bandwidth, and notifies the first terminal of the calculated bit rate; and the first response packet includes first information indicating a data size included in a packet sent from the server apparatus to the first terminal, a time when the first terminal receives the packet, and a data size included in the first response packet.