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ITU There are 5339 products.
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ITU-T Q.686
ITU-T Q.686 Interworking of signalling systems - Logic procedures for interworking of signalling system R2 to signalling system no. 7 (ISUP)
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ITU-T Q.690
ITU-T Q.690 Interworking of signalling systems - Logic procedures for interworking of signalling system no. 7 (ISUP) to no. 5
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ITU-T Q.691
ITU-T Q.691 Interworking of signalling systems - Logic procedures for interworking of signalling system no. 7 (ISUP) to no. 6
$25.00In Stock -
ITU-T Q.692
ITU-T Q.692 Logic procedures for interworking of Signalling System No. 7 (ISUP) to No. 7 (TUP)
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ITU-T Q.716
ITU-T Q.716 Signalling system no. 7 - Signalling connection control part (SCCP) performance
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ITU-T Q.1112
ITU-T Q.1112 Procedures for interworking between INMARSAT standard-B system and the international public switched telephone network/ISDN
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ITU-T Q.1400
ITU-T Q.1400 Architecture framework for the development of signalling and OA&M protocols using OSI concepts
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ITU-T R.5
ITU-T R.5 Observation conditions recommended for routine distortion measurements on international telegraph circuits
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ITU-T R.9
ITU-T R.9 How the laws governing distribution of distortion should be arrived at
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ITU-T R.54
ITU-T R.54 Conventional degree of distortion tolerable for standardized start-stop 50-baud systems
$25.00In Stock
