YD/T 1639-2007 Active Industry standards-Postal and telecommunications

YD/T 1639-2007 Security requirements and testing methods for Short Message Center (SMC) equipment and Short Message Gateway (SMG) equipment

Publish Date: 2007-07-20 Implement Date: 2007-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: YD/T 1639-2007

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Digital communication equipment

ICS Name: Data communication network

Publish Date: 2007-07-20

Implement Date: 2007-12-01

Pages: 16 pages

Development Information

Pages: 16 pages

Related Standards

GB/T 3384-1982 Abolished

GB/T 3384-1982 Parameters of interface for the analogue carrier systems over the network

Publish Date: 1982-12-29

GB/T 4575-1984 Abolished

GB/T 4575-1984 Frequency comparison pilot series for the FDM systems in the toll communication network

Publish Date: 1984-07-17

GB/T 4827-1984 Abolished

GB/T 4827-1984 Requirements of data transmission at 50 bit/s

Publish Date: 1984-12-26

GB/T 7436-1987 Active

GB/T 7436-1987 Specifications of TDM equipment operating on an analog telephone-type circuit for telegraph and lower-speed data

Publish Date: 1987-03-16

GB/T 7555-1987 Abolished

GB/T 7555-1987 General characteristics complying with the network performance objectives for 12 channel carrier telephone systems on open-wire pairs

Publish Date: 1987-03-26

GB/T 7556-1987 Abolished

GB/T 7556-1987 General characteristics complying with the network performance objectives for 60 channel carrier telephone systems on symmetric cable pairs

Publish Date: 1987-03-26