(2001) Pagurek, B. Deployment of Features in IP Telephony – CITO/OCRI TechTalk Workshop on Enhanced Services for Voice-Over-IP, Ottawa, April 17, 2001.
(2001) Pagurek, B. Deployment of Features in IP Telephony – CITO/OCRI TechTalk Workshop on Enhanced Services for Voice-Over-IP, Ottawa, April 17, 2001.