# dtac OneCall — Stay connected with dtac.

> Cloud-based virtual business phone system for mobile and desktop. (iPhone/iPad app by TRUE CORPORATION PUBLIC COMPANY LIMITED.)

- Source: https://appshunter.io/ios/app/dtac-onecall/id1525846336 (this page in markdown: same URL + `.md`)
- Developer: [TRUE CORPORATION PUBLIC COMPANY LIMITED](https://appshunter.io/developer/447041660)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.5 · 215 MB
- Languages: Bulgarian, Croatian, English, French, German, Greek, Indonesian, Italian, Polish, Portuguese and 5 more
- Released: 2020-10-20
- Data updated: 2026-06-21
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/dtac-onecall/id1525846336/reviews.md

## What is dtac OneCall?

dtac OneCall is a cloud-based phone service that turns your mobile devices and desktops into a full virtual business PBX. Stay connected whenever you are with dtac.

## Key features

- Cloud-based phone service
- Virtual business PBX
- Mobile and desktop integration
- Stay connected anywhere
- Full business communication features


## Frequently asked questions about dtac OneCall

### What is dtac OneCall?

dtac OneCall is a cloud-based phone service that functions as a virtual business PBX. It enables users to make and receive calls using their mobile devices and desktops as if they were using a traditional office phone system.

### Is dtac OneCall free to use?

Yes, dtac OneCall is available for free. The app itself does not have a cost associated with downloading or using its core features.

### What devices does dtac OneCall support?

dtac OneCall is compatible with iPhone, iPad, and iPod devices. This allows for flexibility in how and where you manage your business calls.

### How often is dtac OneCall updated?

The latest version of dtac OneCall is 3.20.21098, which was last updated on April 4, 2024. Updates typically include performance improvements and new features.

### What is the age rating for dtac OneCall?

dtac OneCall has an age rating of 4+. This indicates it is suitable for users of all ages, with no content restrictions.

### Who developed dtac OneCall?

dtac OneCall was developed by TRUE CORPORATION PUBLIC COMPANY LIMITED. They are responsible for the app's ongoing development and support.

### Does dtac OneCall have ads?

No, dtac OneCall does not contain advertisements. Users can expect an uninterrupted experience without any promotional content.

### What is the user rating for dtac OneCall?

dtac OneCall has a perfect rating of 5.0 stars based on 1 user review. This suggests a highly positive user experience among its current users.

## Version history (last 4 releases)

### 3.20.21098 — 2024-04-04

- Update new version to support new iOS version
- Security Hotfix

### 2.34.31068 — 2021-11-23

- Thai version for dtac Onecall

### 1.1 — 2020-11-06

Resolve bug with in app call log display.

### 1.0 — 2020-10-20

No release notes.

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## More apps by TRUE CORPORATION PUBLIC COMPANY LIMITED

- [dtac](https://appshunter.io/ios/app/dtac/id366758142)
- [True](https://appshunter.io/ios/app/true/id394602822)
- [dtac-music](https://appshunter.io/ios/app/dtac-music/id524934796)
- [Check In (พนักงานขาย)](https://appshunter.io/ios/app/check-in/id995893571)
- [dtac call](https://appshunter.io/ios/app/dtac-call/id1210578759)
- [Smart Farmer](https://appshunter.io/ios/app/smart-farmer/id1240069272)

All apps by TRUE CORPORATION PUBLIC COMPANY LIMITED: https://appshunter.io/developer/447041660

## Related topics

[dtac onecall](https://appshunter.io/ios/topics/dtac-onecall) · [dtac](https://appshunter.io/ios/topics/dtac) · [dtach](https://appshunter.io/ios/topics/dtach) · [true dtac](https://appshunter.io/ios/topics/true-dtac) · [dtsc](https://appshunter.io/ios/topics/dtsc)

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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 2026-06-21.*