Kỹ thuật điện thoại qua IP và Internet = IP telephony and internet telephony

Nội dung giới thiệu tổng quan về PSTN và so sánh với việc truyền thoại qua IP. Hệ thống điện thoại doanh nghiệp, cơ sở báo hiệu điện thoại, hệ thống báo hiệu số 7. Các dịch vụ trên mạng điện thoại chuyển mạch công cộng (PSTN). Các lợi í...

Disgrifiad llawn

Wedi'i Gadw mewn:

Manylion Llyfryddiaeth
Prif Awdur:	Nguyễn, Hồng Sơn
Fformat:	Llyfr
Iaith:	Undetermined
Cyhoeddwyd:	Thành phố Hồ Chí Minh Lao động - Xã hội 2003
Pynciau:	Hệ thống điện thoại,Telephone systems Cấu trúc và thiết kế,Design and construction
Tagiau:	Ychwanegu Tag Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!

Thư viện lưu trữ:	Trung tâm Học liệu Trường Đại học Cần Thơ

Kỹ thuật điện thoại qua IP và Internet = IP telephony and internet telephony

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