--- title: "Telos VX® Prime+ VoIP Phone System" slug: "telos-vx-prime-voip-phone-system" status: "new" updated: 2024-11-04T11:22:54Z published: 2024-11-04T11:22:54Z canonical: "docs.telosalliance.com/telos-vx-prime-voip-phone-system" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.telosalliance.com/llms.txt > Use this file to discover all available pages before exploring further. # Telos VX® Prime+ VoIP Phone System Appliance-based VoIP system for small to medium facilities, ![](https://cdn.document360.io/57e3cd80-d493-453c-9672-ad1b043dadc3/Images/Documentation/Telos_VXPrime.jpg?sv=2026-02-06&spr=https&st=2026-11-07T18%3A05%3A00Z&se=2026-11-07T19%3A05%3A00Z&sr=c&sp=r&sig=rNnvCFyY%2BU%2FcllCYWG6EyfC1yEXJ3UOkXcuKIXYs7nc%3D) VX Prime+ is a fixed 8-channel (hybrid) appliance-based system that brings Telos VX performance and VoIP flexibility to small to medium facilities. - System capacity of 8 channels. Each call placed on the air receives a dedicated channel for unmatched clarity and superior conferencing and supporting multiple lines of concurrent on-air phones for one to four studios (depending on configuration). - Maximum number of simultaneous calls on-air: 8 (more with conferencing) - Maximum number of SIP numbers: 96