Q-SYS CTEL4 4-Channel Analog Telephone I/O Card for POTS

The Q-SYS CTEL4 is a Core I/O card designed for AV integrators and system designers who need to incorporate analog telephone conferencing into Q-SYS-based installations. It provides four independent POTS channels through RJ-11 connections, enabling direct interfacing between Q-SYS Cores and I/O Frames and standard public switched telephone network lines.

In corporate AV, government, healthcare, and education environments where POTS lines remain part of the infrastructure, the CTEL4 eliminates the need for third-party telephone hybrid devices. By keeping telephone integration native within the Q-SYS ecosystem, integrators maintain unified system control, simplified signal routing, and a reduced equipment footprint compared to outboard solutions. It is suited for boardrooms, conference centers, courtrooms, and any installed audio environment requiring reliable analog telephone bridging within a Q-SYS architecture.