ColTech Voice

ColTech Voice brings the full power of ColTech’s Unified Communications platform directly to end-users' mobile devices. Designed for flexibility and performance, this SIP softphone keeps you connected to your clients, team, and business—wherever you are.

With ColTech Voice, you can:

• Make and receive calls using your business number from any location, regardless of device • Seamlessly transfer calls between devices without interruption • Manage contacts, call history, voicemail, call recordings and configurations in a single location • Customize answering rules, greetings, and presence • Send and receive SMS—including group messages • Maintain a consistent professional identity across all communication channels

Whether you're remote, hybrid, or constantly on the move, ColTech Voice ensures you stay connected with clarity, control, and confidence—all from your smartphone.