# SDT Phone

> Internal business communication and call management for company extensions. (iPhone/iPad app by heyday dev.)

- Source: https://appshunter.io/ios/app/sdt-phone/id1550668054 (this page in markdown: same URL + `.md`)
- Developer: [heyday dev](https://appshunter.io/developer/1295995322)
- Category: Business, Productivity
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.4 · 20 MB
- Languages: English, Spanish
- Released: 2021-05-26
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/sdt-phone/id1550668054/reviews.md

## What is SDT Phone?

SDTPhone
allows you to make calls between extensions of the same company as well as adapting specific functionalities of a company such as transferring calls and placing a call on hold when necessary.

## Key features

- Internal extension calling
- Call transferring
- Call holding
- Company-specific functionalities


## Frequently asked questions about SDT Phone

### What is SDT Phone used for?

SDT Phone is designed for internal business communication, allowing users to make calls between company extensions and manage calls with features like transferring and holding.

### Is SDT Phone free to use?

Yes, SDT Phone is available for free, with no cost to download or use its core functionalities.

### What devices does SDT Phone support?

SDT Phone is currently supported on iPhone and iPod devices.

### How often is SDT Phone updated?

The app was last updated on May 27, 2021, with version 1.0. Further update frequency is not specified.

### What is the age rating for SDT Phone?

SDT Phone has an age rating of 4+, making it suitable for a wide range of users.

### Does SDT Phone have ads?

No, SDT Phone does not contain advertisements, providing an uninterrupted user experience.

### What is the user rating for SDT Phone?

SDT Phone has received a perfect rating of 5.0 stars from one user review.

### Can SDT Phone be used for external calls?

The primary function of SDT Phone is for internal calls between company extensions. Its capabilities for external calls are not detailed in the provided information.

## Version history (last 1 release)

### 1.0 — 2021-05-27

No release notes.

## Apps similar to SDT Phone

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [QuickCRM for SuiteCRM/Sugar](https://appshunter.io/ios/app/quickcrm-for-suitecrmsugar/id593452214) | 3.0 (2) | Free | Business |
| [Biz Extension](https://appshunter.io/ios/app/biz-extension/id1530429899) | — | Free | Business |
| [Record360](https://appshunter.io/ios/app/record360/id890582784) | 2.9 (69) | Free | Business |
| [TSD Rental](https://appshunter.io/ios/app/tsd-rental/id1061974357) | 2.3 (18) | Free | Business |
| [Numa](https://appshunter.io/ios/app/numa/id1339269952) | 3.9 (20) | Free | Business |
| [MageNative App](https://appshunter.io/ios/app/magenative-app/id1266263558) | 3.0 (2) | Free | Business |

## More apps by heyday dev

- [Next-Service](https://appshunter.io/ios/app/next-service/id1377377828)
- [Heydphone](https://appshunter.io/ios/app/heydphone/id1528443557)
- [Maia Phone](https://appshunter.io/ios/app/maia-phone/id1547531512)
- [Kae Phone](https://appshunter.io/ios/app/kae-phone/id1547681603)
- [Xprintx Phone](https://appshunter.io/ios/app/xprintx-phone/id1548053722)
- [Suela Phone](https://appshunter.io/ios/app/suela-phone/id1550150590)

All apps by heyday dev: https://appshunter.io/developer/1295995322

---

*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 2026-07-07.*