---
title: "ONCALL PBX - Reviews, Revenue and Downloads in Vietnam | Apple App Store"
description: "Oncall softphone is a Sip-based softphone for Iphone that uses Wifi or 4G/LTE connection to make call and receive calls and Instant Messages.  Interworking with Oncall System, Oncall Softphone support"
---

# ONCALL PBX — Vietnam
> Voice,Video,Chat & Presence

![ONCALL PBX App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/60/da/97/60da97b2-0bc9-d66f-5b09-8077867e3bc2/AppIcon-0-0-1x_U007emarketing-0-6-0-0-85-220.png/434x0w.png)

**Developer:** [FPT International Telecom Company](https://apptail.io/developer/fpt-international-telecom-company-AXHb)
**Category:** Social Networking
**Rating:** 4.3/5 (108 ratings)
**Price:** Free
**Bundle ID:** com.portsip.oncall
**Store:** Apple App Store
**Country:** Vietnam
**Version:** 2.9.5 (released 2024-07-14)
**Original Release:** 2019-07-26
**Languages:** English, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Chinese, Spanish

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/vn/app/app/id1472163904)
**AppTail Page:** [https://apptail.io/app/oncall-pbx-ADUk/vietnam](https://apptail.io/app/oncall-pbx-ADUk/vietnam)

## ONCALL PBX Description
Oncall softphone is a Sip-based softphone for Iphone that uses Wifi or 4G/LTE connection to make call and receive calls and Instant Messages.

Interworking with Oncall System, Oncall Softphone support push notification, which allows it receive calls and messages even it was force terminated.

 

By using iPhone’s existing contact list, Oncall softphone facilitates easy and effective communication multiple calls.

Call functionality includes the ability to switch between two calls, merge and split calls and perform attended and unattended transfers, It also support video conference which needs MCU support.

 
   It supports up to 1080P video call with H264 and VP8 codec, and supports HD audio call.

## ONCALL PBX Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/59/c4/00/59c400a3-5e9c-c451-0693-cfae27f6d75f/6fabbb53-c585-415d-aa58-b197a86820fe_Simulator_Screen_Shot_-_iPhone_Xs_Max_-_2023-01-30_at_14.40.45.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/8c/80/71/8c8071b9-1d40-fdff-67b4-8eae3686ceed/pr_source.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/fd/0e/a1/fd0ea16a-837a-aa8b-c31a-1b099fc8551e/2dcfacef-b4e1-4cc4-86de-bea24d317756_Simulator_Screen_Shot_-_iPhone_Xs_Max_-_2023-01-30_at_15.06.34.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/9e/14/56/9e145699-f417-b490-5f1c-e06c72cbca52/pr_source.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/9a/71/fe/9a71fe0a-ada3-3287-1b4d-3eb3f3bf17c2/e9449a97-dfc6-4686-b64f-ca5ef5988844_Simulator_Screen_Shot_-_iPhone_Xs_Max_-_2023-01-30_at_14.46.37.png/1242x2688.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/6b/ef/3b/6bef3b08-7d60-e717-6efa-b8a3cb1c678e/c95f6614-0312-4265-8b96-5e11a15eb9a2_Simulator_Screen_Shot_-_iPhone_Xs_Max_-_2023-01-30_at_15.03.39.png/1242x2688.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/e8/a2/26/e8a22689-caf0-2ae0-4973-6178c9c36a46/9c8ea2e0-24f7-4f17-9f52-0822c4eea892_Simulator_Screen_Shot_-_iPhone_Xs_Max_-_2023-01-30_at_15.06.27.png/1242x2688.png)

## ONCALL PBX Rating Breakdown in Vietnam
- 5 stars: 83 (77%)
- 4 stars: 5 (5%)
- 3 stars: 4 (4%)
- 2 stars: 2 (2%)
- 1 stars: 14 (13%)

## ONCALL PBX Reviews in Vietnam

### ***-- "Lỗi"
app bị lỗi đăng nhập nên lâu lâu ko thể đăng nhập được. IT nên xem lại fix lỗi
-- Dinh thị ngọc huyen, 2025-04-09

### *---- "APP TỆ TRÊN IOS"
App tệ, ios tắt màn hình hoặc dùng app khác là chuyển offline. Lúc nào cung phải treo app sáng màn mới online được.
-- It. T, 2024-07-31

### *---- "Lỗi toè loe"
Cứ gọi được 3 phút là cắt mất cuộc gọi không nghe được bên nào nói cả  dù màn hình vẫn hiện là đang trong cuộc gọi
-- VNG NHƯ SỈT, 2024-05-29

### *---- "???"
maximum length of username is 5? really?
-- WheyNotEat, 2023-06-16

### ***-- "Ít ra nó ko bị thoát"
Ko bị thoát nhưng ios14 ko chat dc . Chỉ gửi dc mà nhận trắng phau và nếu đang on mới đọc dc mà vào là ko thấy gì. Nói chung cho iOS rồi cô cùng
-- batboyboy, 2023-04-11

### ***** "Ổn"
Ổn
-- DuyTK9, 2020-09-09

[View all ONCALL PBX reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)




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## ONCALL PBX Available In
- [Vietnam](https://apptail.io/app/oncall-pbx-ADUk/vietnam)
- [Germany](https://apptail.io/app/oncall-pbx-ADUk/germany)
- [Japan](https://apptail.io/app/oncall-pbx-ADUk/japan)
- [Poland](https://apptail.io/app/oncall-pbx-ADUk/poland)
- [Russia](https://apptail.io/app/oncall-pbx-ADUk/russia)

---

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