ITSP
Internet Telephony Service Providers
| < 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 |
| < 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 |
