Patent ID: 8553571
Filing Date: 2013-10-08
Classification: H04L,H04M

Abstract:
1. A method of automatic response and loopback for remotely measuring the quality of Internet telephone, the method comprising in steps of: (A) receiving a request call from a measuring instrument ( (A1) deactivating when the received call is a call for remote quality measurement after checking in the step A, by the first IP phone ( (A2) deactivating when the received call is a call for remote quality measurement after checking in the step A, by the first IP phone ( (B) responding the request call for measuring the quality by the first IP phone ( (C) sending an RTP packet to the first IP phone ( (D) sending immediately when the loopback mode is IP packet loopback between a jitter buffer ( (D1) sending when the loopback mode is media loopback between an encoder/decoder ( (E) terminating when a regular call is received or placed during the handling of the call for quality measuring by the first IP phone (