# SIPBlue

> Intuitive calling, texting, and faxing app for enterprise and MSPs. (iPhone/iPad app by QuestBlue Systems, Inc.)

- Source: https://appshunter.io/ios/app/sipblue/id1579901142 (this page in markdown: same URL + `.md`)
- Developer: [QuestBlue Systems, Inc](https://appshunter.io/developer/1518813567)
- Category: Utilities, Productivity
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 14.5 · 21 MB
- Released: 2021-08-17
- Data updated: 2026-07-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/sipblue/id1579901142/reviews.md

## What is SIPBlue?

The simple, intuitive app that makes it easy to make calls, text, and faxes faster and more convenient.
 Sipblue is a high-quality calling softphone that provides connectivity solutions for enterprise & MSPs.

## Key features

- Fast calling
- Convenient texting
- Efficient faxing
- Enterprise connectivity
- MSP solutions


## Frequently asked questions about SIPBlue

### What devices is SIPBlue compatible with?

SIPBlue is available for iPhone, iPad, and iPod touch devices. It is designed to offer a seamless experience across Apple's mobile ecosystem.

### How often is SIPBlue updated?

The latest version of SIPBlue is 1.0.16, last updated on May 11, 2022. Updates aim to improve functionality and user experience.

### What is the user rating for SIPBlue?

SIPBlue has an excellent rating of 5.0 stars based on 2 user reviews. This indicates a high level of user satisfaction.

### Is SIPBlue suitable for all ages?

SIPBlue has an age rating of 4+, making it appropriate for a wide range of users. The app's functionality is focused on business communication needs.

### Does SIPBlue have ads?

No, SIPBlue does not contain advertisements. Users can enjoy an uninterrupted experience while utilizing its communication features.

### What are the main communication features of SIPBlue?

SIPBlue allows users to make calls, send text messages, and send faxes. It aims to provide a fast and convenient way to manage these essential communication tasks.

### Who developed SIPBlue?

SIPBlue was developed by QuestBlue Systems, Inc. They specialize in providing connectivity solutions for enterprise and MSPs.

## Version history (last 5 releases)

### 1.0.16 — 2022-05-11

- Fixed issue where IOS might lose registration when backgrounded
- Fixed issues with inbound calls

### 1.0.15 — 2022-02-25

- Prevent app from deregistering when switching networks
- Prevent app from deregistering while in the background

### 1.0.13 — 2022-02-12

- Fixed issue where users could not register directly to SBC
- Fixed unregister when accessing voicemail
- Fixed crash when dialing certain feature codes
- Fixed freeze when hanging up a call immediately after dialing
- Support new SIP messages

### 1.0.12 — 2021-09-10

- Added backspace button to dialer
- Changed field keyboards in certain locations for ease of use
- Fixed issue that could cause the audio to start before a call was accepted or declined
- Fixed an issue where audio was not properly setup on inbound calls
- Fixed an issue causing phone to unregister when screen was locked
- Fixed an issue causing the phone to not ring when screen is locked
- Fixed an issue causing the phone to unregister when backgrounded after a short period of time
- Fixed an issue where sip headers were displayed instead of the dialing number
- Fixed an issue when dialing * or # would cause the display to become unresponsive

### 1.0.10 — 2021-08-20

UI Improvements

## Apps similar to SIPBlue

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [AbtoVoIPClient](https://appshunter.io/ios/app/abtovoipclient/id527208668) | 4.5 (2) | Free | Utilities |
| [jiPBX - SIP VOIP Softphone](https://appshunter.io/ios/app/jipbx-sip-voip-softphone/id6748383030) | — | Free | Utilities |
| [vPBX Softphone](https://appshunter.io/ios/app/vpbx-softphone/id1543891825) | — | Free | Utilities |
| [Real Softphone](https://appshunter.io/ios/app/real-softphone/id1460307670) | — | Free | Utilities |
| [GS EXT](https://appshunter.io/ios/app/gs-ext/id1597033431) | — | Free | Utilities |
| [modulus SoftPhone](https://appshunter.io/ios/app/modulus-softphone/id1562146672) | 5.0 (1) | Free | Utilities |

## More apps by QuestBlue Systems, Inc

- [WeText](https://appshunter.io/ios/app/wetext/id1518813568)
- [SIPBlue 2.0](https://appshunter.io/ios/app/sipblue-20/id6466404244)

All apps by QuestBlue Systems, Inc: https://appshunter.io/developer/1518813567

## Related topics

[acrobits groundwire](https://appshunter.io/ios/topics/acrobits-groundwire)

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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 2026-07-24.*