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Preview GB/T 21642.3-2012 29.6.2012
GB/T 21642.3-2012

Technical requirements for IP video conference system devices - Part 3: multipoint control unit

Standard published on 29.6.2012

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English, Chinese -
electronic design (pdf) (1114.80 USD)


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1 114.80 USD


in 7 working days
Preview GB/T 21642.4-2012 29.6.2012
GB/T 21642.4-2012

Technical requirements for IP video conference system devices - Part 4: Gatekeeper

Standard published on 29.6.2012

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electronic design (pdf) (1270.80 USD)


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1 270.80 USD


in 7 working days
Preview GB/T 21643-2008 10.4.2008
GB/T 21643-2008

IP Authentication Header

Standard published on 10.4.2008

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electronic design (pdf) (274.80 USD)


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274.80 USD


in 3 working days
Preview GB/T 21644-2025 5.10.2025
GB/T 21644-2025

General requirements for networks distance learning platform

Standard published on 5.10.2025

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electronic design (pdf) (334.80 USD)


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334.80 USD


in 3 working days
Preview GB/T 21645.1-2008 10.4.2008
GB/T 21645.1-2008

Technical requirements for Automatically Switched Optical Network - Part 1: Architecture and general requirements

Standard published on 10.4.2008

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electronic design (pdf) (ON REQUEST)


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ON REQUEST


Out of stock
Preview GB/T 21645.10-2017 12.5.2017
GB/T 21645.10-2017

Technical requirements for automatically switched optical network(ASON)—Part 10Multi-layer and multi-region control plane

Standard published on 12.5.2017

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electronic design (pdf) (1582.80 USD)


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1 582.80 USD


in 8 working days
Preview GB/T 21645.11-2017 12.5.2017
GB/T 21645.11-2017

Technical requirements for Automatically Switched Optical Network (ASON)—Part11:Path Computation Element (PCE) and protocol

Standard published on 12.5.2017

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electronic design (pdf) (1678.80 USD)


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1 678.80 USD


in 8 working days
Preview GB/T 21645.2-2010 1.12.2010
GB/T 21645.2-2010

Technical requirements for automatically switched optical networks - Part 2Terms and definitions

Standard published on 1.12.2010

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electronic design (pdf) (910.80 USD)


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910.80 USD


in 6 working days
Preview GB/T 21645.3-2009 30.9.2009
GB/T 21645.3-2009

Technical requirements for automatically switched optical network - Part 3: Data communication network

Standard published on 30.9.2009

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electronic design (pdf) (778.80 USD)


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778.80 USD


in 5 working days
Preview GB/T 21645.4-2010 1.12.2010
GB/T 21645.4-2010

Technical requirements for automatically switched optical network - Part 4Technical specification of signalling

Standard published on 1.12.2010

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electronic design (pdf) (ON REQUEST)


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ON REQUEST


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