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ITU-T Q.951.1
ITU-T Q.951.1 Stage 3 description for number identification supplementary services using DSS 1; Section 1: Direct-Dialling-In (DDI); Section 2: Multiple Subscriber Number (MSN); Section 8: Sub-adressing (SUB)
$25.00In Stock -
ITU-T Q.733.1
ITU-T Q.733.1 Stage 3 description for call completion supplementary services using no. 7 signalling system; Section 1: Call waiting (CW)
$25.00In Stock -
ITU-T Q.731.8
ITU-T Q.731.8 Stage 3 description for number identification supplementary services using Signalling System No. 7 : Sub-addressing (SUB)
$25.00In Stock -
ITU-T Q.81.2
ITU-T Q.81.2 Stage 2 description for number identification supplementary services : Multiple subscriber number
$25.00In Stock -
ITU-T Q.83.2
ITU-T Q.83.2 Stage 2 description for call completion supplementary services; Section 2: Call hold (Rev.1)
$25.00In Stock -
ITU-T Q.85.1
ITU-T Q.85.1 Stage 2 description for community of interest supplementary services : Closed user group
$25.00In Stock -
ITU-T Q.81.8
ITU-T Q.81.8 Stage 2 description for number identification supplementary services : Sub-addressing (SUB)
$25.00In Stock -
ITU-T Q.953.1
ITU-T Q.953.1 Stage 3 description for call completion supplementary services using DSS 1; Section 1: Call waiting
$25.00In Stock -
ITU-T D.7
ITU-T D.7 Concept and implementation of 'one-stop shopping' for international private leased telecommunication circuits
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ITU-T D.35
ITU-T D.35 General charging principles in the international public message handling services and associated applications
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ITU-T D.94
ITU-T D.94 Charging, billing and accounting principles for international aeronautical mobile service, and international aeronautical mobile-satellite service
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ITU-T K.29
ITU-T K.29 Coordinated protection schemes for telecommunication cables below ground
$25.00In Stock
