# PortSIP ONE — SIP Softphone,Voice,Video,IM

> SIP Softphone,Voice,Video,IM (iPhone/iPad app by PortSIP Solutions, Inc..)

- Source: https://appshunter.io/ios/app/portsip-one/id6504066513 (this page in markdown: same URL + `.md`)
- Developer: [PortSIP Solutions, Inc.](https://appshunter.io/developer/426903821)
- Category: Social Networking, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 153 MB
- Languages: American English, Dutch, French (France), German (Germany), Italian, Japanese, European Portuguese, Russian, Chinese (Simplified, China), European Spanish and 1 more
- Released: 2024-12-12
- Data updated: 2026-08-20
- User reviews in markdown: https://appshunter.io/ios/app/portsip-one/id6504066513/reviews.md

## What is PortSIP ONE?

PortSIP One is a client specifically designed for PortSIP PBX V22 or later versions, exclusively for iPhone. 

It leverages Wi-Fi or 4G/LTE connections, enabling users to make and receive calls as well as send instant messages.

It supports push notifications, allowing users to receive calls and messages even if the app is force-closed.

By accessing the iPhone's contact list, PortSIP One offers a user-friendly interface for efficient communication management. It supports multiple calls, enabling users to switch between calls, merge and split calls, and perform attended and unattended transfers. Additionally, it supports video conferencing with MCU (Multipoint Control Unit) support.

PortSIP One prioritizes security and incorporates advanced settings for secure call signaling and audio encryption.

The application supports high-definition video calls up to 1080P using H.264 and VP8 codecs, ensuring high-quality audio calls. Supported codecs include G.279, G.711a/u, Opus, AMR, AMR-WB, G.722.1, iLBC, GSM, and SPEEX-WB.

PortSIP One supports group chats and allows the sending of voice, video, images, files, and more.


## Version history (last 5 releases)

### 10.9.2 — 2026-07-03

Fixed some known bugs

### 10.9.1 — 2026-07-02

New features:
1. Contact matching optimization PAI header is turned on by default and priority matching is given
2. Park Prompt Optimization
3. Client adds voicemail greeting management function
4. Add the display order for settings to match incoming contacts
5. Supports WHATSAPP TEMPLATE and 24-hour status detection
6. SMS/MMS and WhatsApp support sending media files

### 10.8.10 — 2026-03-28

1. When the sender of SMS/WhatsApp is a letter, the client can display it normally
2. Fix known bugs

### 10.8.9 — 2026-03-24

Fixed some known bugs

### 10.8.7 — 2026-02-13

Fix known bugs

## Apps similar to PortSIP ONE

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [SessionTalk SIP Softphone](https://appshunter.io/ios/app/sessiontalk-sip-softphone/id362501443) | 4.5 (998) | Free | Social Networking |
| [Linphone](https://appshunter.io/ios/app/linphone/id360065638) | 2.6 (8) | Free | Social Networking |
| [MobileVOIP international calls](https://appshunter.io/ios/app/mobilevoip-international-calls/id362528311) | 4.6 (16,404) | Free | Social Networking |
| [Castel SIP](https://appshunter.io/ios/app/castel-sip/id566301831) | — | Free | Social Networking |
| [VaxPhone - SIP based softphone](https://appshunter.io/ios/app/vaxphone-sip-based-softphone/id894003707) | 5.0 (1) | Free | Social Networking |
| [Grandstream Wave](https://appshunter.io/ios/app/grandstream-wave/id1523254549) | 2.6 (50) | Free | Social Networking |

## More apps by PortSIP Solutions, Inc.

- [PortSIP UC](https://appshunter.io/ios/app/portsip-uc/id426903818)
- [1-Talk](https://appshunter.io/ios/app/1-talk/id639536802)
- [IPTalker](https://appshunter.io/ios/app/iptalker/id666238043)
- [VOM](https://appshunter.io/ios/app/vom/id1273960465)
- [WIFI-TV](https://appshunter.io/ios/app/wifi-tv/id1274348695)
- [Mondex Phone](https://appshunter.io/ios/app/mondex-phone/id1464834278)

All apps by PortSIP Solutions, Inc.: https://appshunter.io/developer/426903821

## Related topics

[portsip one](https://appshunter.io/ios/topics/portsip-one) · [portsip](https://appshunter.io/ios/topics/portsip) · [portsip softphone](https://appshunter.io/ios/topics/portsip-softphone)

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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 2026-08-20.*