V
- Video Bridge
- Video Codec
- Video Conferencing
- Video Multicast
- Video on Demand (VoD)
- Video Surveillance
- Video Telephony
- Virtual Call Center
- Virtual Desktop Infrastructure (VDI)
- Virtual Extension
- Virtual Fax
- Virtual Meeting Room (VMR)
- Virtual Mobile Number (VMN)
- Virtual Network Function (VNF)
- Virtual Number
- Virtual PBX (Private Branch Exchange)
- Virtual Private Network (VPN)
- Virtual Receptionist
- Virtualization
- VLAN (Virtual Local Area Network)
- VLAN Tagging
- Voice Activity Detection (VAD)
- Voice Broadcast
- Voice Codec
- Voice Compression
- Voice Encryption
- Voice Gateway
- Voice Logging
- Voice Mail
- Voice Over IP (VoIP)
- Voice over LTE (VoLTE)
- Voice Portal
- Voice Prompt
- Voice Quality
- Voice Recognition
- Voice Response Unit (VRU)
- Voice Trunking
- Voicemail-to-Email
- VoIP (Voice over Internet Protocol)
- VoIP Adapter
- VoIP Gateway
- VoIP Softphone
