Durkin J.F
Voice - Enabling the Data Network: H.323, MGCP, SIP, QoS, SLAs, and Security Edit. J.Kane - Indianapolic Cisco Press 2003 - 200
ГФ-15797
Англи хэл дээр,
1-58705-014-5
network telephony service web administration
Voice - Enabling the Data Network: H.323, MGCP, SIP, QoS, SLAs, and Security Edit. J.Kane - Indianapolic Cisco Press 2003 - 200
ГФ-15797
Англи хэл дээр,
1-58705-014-5
network telephony service web administration