# ColTech Voice — Business calls & SMS on mobile

> Mobile SIP softphone for business calls, SMS, and unified communications. (iPhone/iPad app by ColTech Inc.)

- Source: https://appshunter.io/ios/app/coltech-voice/id6756865307 (this page in markdown: same URL + `.md`)
- Developer: [ColTech Inc](https://appshunter.io/developer/1863324321)
- Category: Business, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.6 · 56 MB
- Languages: Arabic, Dutch, English, French, German, Italian, Chinese, Spanish
- Released: 2026-01-25
- Data updated: 2026-06-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/coltech-voice/id6756865307/reviews.md

## What is 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..

## Key features

- Make/receive calls with business number
- Seamless call transferring
- Contact and call history management
- Voicemail and call recordings
- Customizable answering rules and presence
- Send/receive SMS and group messages


## Frequently asked questions about ColTech Voice

### 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.

## Version history (last 2 releases)

### 5.13.12 — 2026-05-14

Bug Fix

### 5.13.10 — 2026-01-25

No release notes.

## Apps similar to ColTech Voice

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [nebulaLINK](https://appshunter.io/ios/app/nebulalink/id6756559215) | — | Free | Business |
| [dealervoice](https://appshunter.io/ios/app/dealervoice/id6756010609) | 5.0 (1) | Free | Business |
| [FETC](https://appshunter.io/ios/app/fetc/id6755597676) | — | Free | Business |
| [Insight Call](https://appshunter.io/ios/app/insight-call/id6755142772) | — | Free | Business |
| [Leap Voice Pro](https://appshunter.io/ios/app/leap-voice-pro/id6754935826) | — | Free | Business |

## Related topics

[coltech voice](https://appshunter.io/ios/topics/coltech-voice)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*