کتاب های Frank Ohrtman
Voice over 802.11 (Artech House Telecommunications Library)
Frank Ohrtman, 2004
WiMAX Handbook - Building 802-16 Wireless Networks
Frank Ohrtman, 2005
Wi-Fi Handbook : Building 802.11b Wireless Networks
Frank Ohrtman, 2003
Wi-Fi handbook.Building 802.11b wireless networks
Frank Ohrtman, 2003
Wi-Fi Handbook: Building 802.11b Wireless Networks
Frank Ohrtman, 2003
Softswitch : architecture for VoIP
Frank Ohrtman, 2003
Softswitch: Architecture for VoIP
Frank Ohrtman, 2002
Voice Over 802.11
Frank Ohrtman, 2004
Voice over 802.11
Frank Ohrtman, 2004
Voice over 802.11 (Artech House Telecommunications Library)
Frank Ohrtman, 2004
