V2
Proprietary protocol at the S interface
VAC
Volts of Alternating Current
VDC
Volts of Direct Current
VoIP
Voice over Internet Protocol
VoIP SC
VoIP Subscriber
WAN
Wide Area Network
WWW
World Wide Web
ZTF
Additional keypad
HBT_20321104_09/B0_en
ascom
Ascotel 2025/2045/2065
Abbreviations
9.5