Tohutoro APA (7th ed.)
Hersent, O. (2010). IP telephony: Deploying VoIP protocols and IMS infrastructure (2nd ed.). John Wiley.
Tohutoru Kātū Chicago (17th ed.)
Hersent, Olivier. IP Telephony: Deploying VoIP Protocols and IMS Infrastructure. 2nd ed. Hoboken, NJ: John Wiley, 2010.
Tohutoro MLA (9th ed.)
Hersent, Olivier. IP Telephony: Deploying VoIP Protocols and IMS Infrastructure. 2nd ed. John Wiley, 2010.
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