ColTech Voice
Business calls & SMS on mobile
About
This business communication app allows users to make and receive calls and send SMS messages using their company number from any mobile device. It offers features like call transferring, contact management, voicemail, and customizable answering rules to maintain a professional identity.
What's New in ColTech Voice
5.13.12
May 14, 2026
Bug Fix
FAQ
What is ColTech Voice?
ColTech Voice is a mobile SIP softphone that brings your business's Unified Communications platform to your smartphone. It allows you to make and receive calls, send SMS messages, and manage your business communications from anywhere.
Can I use my business number with ColTech Voice?
Yes, ColTech Voice allows you to make and receive calls using your existing business number, ensuring a consistent professional identity across all your communications.
Does ColTech Voice support SMS messaging?
Yes, ColTech Voice supports sending and receiving SMS messages, including group messages, directly from your mobile device.
How does ColTech Voice handle call transfers?
ColTech Voice enables seamless call transfers between devices without interruption, ensuring your conversations continue smoothly as you move.
What devices is ColTech Voice compatible with?
ColTech Voice is designed for flexibility and is available on iPhone, iPad, and iPod devices.
Is ColTech Voice free to use?
Yes, ColTech Voice is available for free. The app is free to download and use, with no in-app purchases or advertisements.
How often is ColTech Voice updated?
The latest version of ColTech Voice is 5.13.12, which was last updated on May 14, 2026. Updates typically address performance improvements and new features.
What is the age rating for ColTech Voice?
ColTech Voice has an age rating of 4+, making it suitable for a wide range of users.
