Title :
A legacy of echo and silence
Author :
McKinlay, H.W.H.
Author_Institution :
Voserv Ltd., UK
Abstract :
The paper discusses voice transmission quality issues relating to interworking between VoIP and PSTN "legacy" networks. The evolution of voice quality with technological progress in the PSTN from its inception to the present day VoIP systems is described and this sets the scene for discussion of echo control and silence removal in case study examples.
Keywords :
Internet telephony; echo suppression; integrated voice/data communication; internetworking; PSTN; VoIP; echo control; interworking; public switched telephone network; silence removal; voice over Internet Protocol; voice transmission quality;
Conference_Titel :
Telecommunications Quality of Services: The Business of Success, 2004. QoS 2004. IEE
Print_ISBN :
0-86341-393-5
DOI :
10.1049/ic:20040025
