# OTEL+

> Affordable international VoIP calling app using iPhone contacts. (iPhone/iPad app by OCEAN TECHNOLOGY LIMITED.)

- Source: https://appshunter.io/ios/app/otel-plus/id1494653079 (this page in markdown: same URL + `.md`)
- Developer: [OCEAN TECHNOLOGY LIMITED](https://appshunter.io/developer/381474094)
- Category: Social Networking, Business
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 8.0 · 43 MB
- Languages: American English, French (France), Chinese (Simplified, China), European Spanish
- Released: 2020-01-14
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/otel-plus/id1494653079/reviews.md

## What is OTEL+?

App Benefits:
• Uses iPhone contacts 
• Crystal Clear Quality 
• Lowest International Rates 
• Satisfaction guaranteed! 
• With this application, user can make cheap VOIP calls. 

Main features: 
* Making and receiving VoIP calls
* Connectivity through WIFI, 4G/3G,2G EDGE 
* Integrated contacts from the phone
* Loudspeaker
* Balance information
* Call cost information
* Time, call status logs

## Key features

- Make and receive VoIP calls
- Use iPhone contacts
- Low international rates
- Crystal clear quality
- Wi-Fi, 4G/3G, 2G EDGE connectivity
- Balance and call cost information
- Call logs


## Frequently asked questions about OTEL+

### What is OTEL+?

OTEL+ is a mobile application that allows users to make affordable international voice over IP (VoIP) calls. It integrates with your iPhone contacts for easy calling and offers low rates.

### How does OTEL+ work?

OTEL+ enables you to make and receive VoIP calls using your existing iPhone contacts. It connects through Wi-Fi, 4G/3G, or 2G EDGE, providing a flexible way to stay in touch globally.

### What are the benefits of using OTEL+?

Users can expect crystal clear call quality and the lowest international rates. The app also provides satisfaction guarantees, balance information, and detailed call cost information.

### Is OTEL+ free to use?

Yes, OTEL+ is available for free. The application itself does not require any purchase to download and use its core calling features.

### What devices are supported by OTEL+?

OTEL+ is designed for Apple devices and is supported on iPhone, iPad, and iPod. It requires iOS 4+.

### How often is OTEL+ updated?

The latest version of OTEL+ is 4.0.9, which was last updated on June 2, 2023. Updates typically include improvements to performance and features.

### Does OTEL+ have ads?

The provided data does not specify whether OTEL+ contains advertisements. However, as it is a free application, it may include ads to support its services.

### What is the age rating for OTEL+?

OTEL+ has an age rating of 4+, making it suitable for a wide range of users. This rating indicates it is appropriate for children and adults.

## Version history (last 4 releases)

### 4.0.9 — 2023-06-02

- Minor Bug Fixes

### 4.0.8 — 2020-02-11

App name changed.

### 4.0.7 — 2020-01-20

1. Stability improved.

### 4.0.5 — 2020-01-14

No release notes.

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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 2026-07-07.*