ITSP
Internet Telephony Service Providers
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ITHACA ITIL ITP ITS it's a feature |
Internet Telephony Service Providers IP Telephony |
ITU ITU-T ITU-T X.680 ITU X.209 Ivan |
< Previous Terms | Terms Containing ITSP | Next Terms > |
ITHACA ITIL ITP ITS it's a feature |
Internet Telephony Service Providers IP Telephony |
ITU ITU-T ITU-T X.680 ITU X.209 Ivan |