Documents Introduction to Telecommunications by Gokhale CHAPTER 4 VOICE COMMUNICATIONS.

Slide 1Introduction to Telecommunications by Gokhale CHAPTER 4 VOICE COMMUNICATIONS Slide 2 2 PSTN Public Switched Telephone Network –Based on star, ring or mesh topologies…

Documents Ansi s1.11 1986(asa 65-1986)

ANSI Sl.ll-1986 (ASA 65-l 986) [Revision of ANSI Sl.ll-1966(R1976)] Standards Secretariat Acoustical Society of America 335 East 45th Street New York, New York 10017-3483…

Documents ANSI S1.11-1986(ASA 65-1986)

ANSI Sl.ll-1986 (ASA 65-l 986) [Revision of ANSI Sl.ll-1966(R1976)] Standards Secretariat Acoustical Society of America 335 East 45th Street New York, New York 10017-3483…