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ITU There are 5137 products.

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ITU-T Q.84.1
ITU-T Q.84.1 Stage 2 description for multiparty supplementary services : Conference calling (CONF)
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ITU-T Q.513
ITU-T Q.513 Digital exchange interfaces for operations, administration and maintenance
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ITU-T Q.521
ITU-T Q.521 Digital exchange functions
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ITU-T Q.541
ITU-T Q.541 Digital exchange design objectives - General
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ITU-T Q.601 to Q.695 Annex B
ITU-T Q.601 to Q.695 Annex B Narrative presentation of interworking
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ITU-T Q.604
ITU-T Q.604 Interworking of signalling systems - Information analysis tables
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ITU-T Q.646
ITU-T Q.646 Interworking of signalling systems - Logic procedures for interworking of signalling system no. 5 to signalling system no. 7 (ISUP)
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ITU-T Q.656
ITU-T Q.656 Interworking of signalling systems - Logic procedures for interworking of signalling system no. 6 to signalling system no. 7 (ISUP)
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ITU-T Q.694
ITU-T Q.694 Logic procedures for interworking of signalling system No. 7 (ISUP) to R1
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ITU-T Q.695
ITU-T Q.695 Interworking of signalling systems - Logic procedures for interworking of signalling system no. 7 (ISUP) to R2
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ITU-T Q.700
ITU-T Q.700 Introduction to CCITT signalling system no. 7
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ITU-T Q.701
ITU-T Q.701 Functional description of the Message Transfer Part (MTP) of signalling system no. 7
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