rdf-syntax-grammar
mods:
  schema location: http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
  title info:
    title: Kỹ thuật điện thoại qua IP và Internet =
  title info:
    sub title: IP telephony and internet telephony
  title info: title
  name:
    name part: Nguyễn, Hồng Sơn
    role:
      role term: creator
  type of resource: text
  origin info:
    place:
      place term: xx
    place:
      place term: Thành phố Hồ Chí Minh
    publisher: Lao động - Xã hội
    date issued: 2003
    date issued: 9999
    issuance: monographic
  language:
    language term: und
  physical description:
    form: print
  abstract: 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 ích và ứng dụng điện thoại qua IP, cơ sở lý thuyết IP...
  note: Nguyễn Hồng Sơn (chủ biên), Hoàng Trọng Minh, Hoàng Đức Hải
  subject:
    topic: Hệ thống điện thoại,Telephone systems
  subject:
    topic: Cấu trúc và thiết kế,Design and construction
  classification: 621.385
  classification: S464
  record info:
    record creation date: 210402
    record identifier: CTU_232251