# M1 - Mobile Voip

> SIP-based softphone for voice and video calls, integrates with IP-PBX systems. (iPhone/iPad app by MATRIX ASIA PACIFIC LIMITED.)

- Source: https://appshunter.io/ios/app/m1-mobile-voip/id1313714688 (this page in markdown: same URL + `.md`)
- Developer: [MATRIX ASIA PACIFIC LIMITED](https://appshunter.io/developer/1111525296)
- Category: Social Networking, Business
- Price: Free
- Rating: 3.00/5 from 2 App Store ratings
- Age rating: 17+
- Requires: iOS 8.0 · 16 MB
- Languages: Catalan, Croatian, Czech, Danish, Dutch, English, French, German, Hebrew, Italian and 8 more
- Released: 2017-11-17
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/m1-mobile-voip/id1313714688/reviews.md

## What is M1?

M1 - Mobile Voip is a SIP-based softphone with excellent voice and video call quality. It could be used as an extension phone when it is connected to an IP-PBX, Softswitch or IMS.
Notice:
- To use M1 - Mobile Voip, you need to get a SIP account from SIP provider first and get Operator Code from our support.

Features:
- Auto sync local contacts
- Call History
- Voice call
- Voice Codec: G729, PCMU and PCMA
- Mute, Speaker, DTMF, Call Wait, Voice exchange.
- Echo cancellation, VAD (Voice Activity Detection)
- QoS: help improve Voice Call Quality
- Supports UDP - RC4 Encryption standards for VOS3000 Softswitch
- Available over 3G, 4G and Wi-Fi

## Key features

- High-quality voice and video calls
- SIP-based softphone
- IP-PBX, Softswitch, IMS integration
- Auto sync local contacts
- Call history
- Multiple voice codecs
- Echo cancellation


## Frequently asked questions about M1

### What is M1 - Mobile Voip used for?

M1 - Mobile Voip is a SIP-based softphone designed for making voice and video calls with excellent quality. It can serve as an extension phone when connected to an IP-PBX, Softswitch, or IMS.

### Do I need a SIP account to use M1 - Mobile Voip?

Yes, to use M1 - Mobile Voip, you must first obtain a SIP account from a SIP provider and get an Operator Code from the support team.

### What devices does M1 - Mobile Voip support?

M1 - Mobile Voip is available for iPhone, iPad, and iPod devices.

### What is the age rating for M1 - Mobile Voip?

M1 - Mobile Voip has an age rating of 17+.

### How often is M1 - Mobile Voip updated?

The application was last updated on November 17, 2017, with version 1.0.

### What voice codecs does M1 - Mobile Voip support?

M1 - Mobile Voip supports G729, PCMU, and PCMA voice codecs, along with features like echo cancellation and voice activity detection.

### What are the network requirements for M1 - Mobile Voip?

M1 - Mobile Voip can be used over 3G, 4G, and Wi-Fi networks.

### What is the user rating for M1 - Mobile Voip?

M1 - Mobile Voip has a rating of 3.0 stars based on 2 reviews.

## Version history (last 1 release)

### 1.0 — 2017-11-17

This app has been updated by Apple to display the Apple Watch app icon.

## Apps similar to M1

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Microtalk Softphone](https://appshunter.io/ios/app/microtalk-softphone/id1193277551) | — | Free | Social Networking |
| [PimentoPhone](https://appshunter.io/ios/app/pimentophone/id1458849958) | — | Free | Social Networking |
| [Smart Call Dialer](https://appshunter.io/ios/app/smart-call-dialer/id509138294) | 3.7 (12) | Free | Social Networking |
| [Agora SIP Call](https://appshunter.io/ios/app/agora-sip-call/id1528264688) | — | Free | Social Networking |
| [Castel SIP](https://appshunter.io/ios/app/castel-sip/id566301831) | — | Free | Social Networking |
| [VoipSama](https://appshunter.io/ios/app/voipsama/id582558609) | 1.0 (1) | Free | Social Networking |

## More apps by MATRIX ASIA PACIFIC LIMITED

- [PanPan - Free Calls and Texts](https://appshunter.io/ios/app/panpan-free-calls-and-texts/id1156438845)
- [The Trip Planners](https://appshunter.io/ios/app/the-trip-planners/id1564549687)

All apps by MATRIX ASIA PACIFIC LIMITED: https://appshunter.io/developer/1111525296

---

*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 2026-06-10.*