# SIP Telephone — SIP softphone tool

> Cross-platform SIP softphone client for developers and technical teams. (iPhone/iPad app by 川 唐.)

- Source: https://appshunter.io/ios/app/sip-telephone/id6755219859 (this page in markdown: same URL + `.md`)
- Developer: [川 唐](https://appshunter.io/developer/1852644898)
- Category: Developer Tools
- Price: Free with in-app purchases
- Rating: 3.00/5 from 3 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 38 MB
- Languages: Chinese (Simplified, China), American English, European Spanish
- Released: 2025-11-23
- Data updated: 2026-08-31
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/sip-telephone/id6755219859/reviews.md

## What is SIP Telephone?

SIP Telephone is a professional SIP softphone for developers, system administrators, support teams, and advanced users. It is available for iPhone and Mac.
Connect your own SIP service to configure accounts, make voice calls, inspect signaling, diagnose audio, and monitor call quality. It is designed for everyday calling, system integration, testing, and troubleshooting.
Key Features
• Multiple SIP Accounts
Add, edit, enable, or disable multiple SIP accounts and quickly switch between frequently used lines.
• Complete Call Controls
Make and answer calls, hang up, hold and resume, mute audio, and send DTMF tones.
• SIP Signaling Inspection
Review REGISTER, INVITE, and other SIP messages, transaction timelines, and raw packets to diagnose registration and call issues.
• Real-Time Status and Quality Monitoring
View registration status, server and transport information, ICE connection state, packet loss, latency, and audio levels.
• Audio Diagnostics
Discover available microphones and speakers, switch devices, run microphone loopback tests, and verify speaker output.
• Call History
Review call direction, time, duration, and status, with support for quick redial and history management.
• ICE, STUN, and TURN Testing
Test ICE server connectivity and candidate discovery to troubleshoot WebRTC media connections.
• Pro Account Sync
With a one-time Pro purchase, sync SIP accounts across your Apple devices through iCloud, or import and update accounts using subscription links and QR codes.
Privacy and Security
SIP passwords and sensitive credentials are stored in the system Keychain. iCloud sync is enabled only when requested by the user, and account data remains within the user’s Apple ID ecosystem. Camera access is used only to scan account subscription QR codes.
Important
This app is a SIP client only. It does not provide SIP accounts, phone numbers, carrier service, calling plans, or emergency calling. A compatible SIP service supplied by you or a third-party provider is required. Call quality, pricing, and service availability are determined by the configured SIP provider.

## Key features

- Cross-platform SIP softphone client
- Supports iOS and macOS
- Account configuration
- Call control
- Signaling tracking
- Audio diagnostics

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro | $3.99 | one-time |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/sip-telephone/id6755219859/reviews.md

### 3/5 — 你们正常使用？

*2026-08-06*

我的为什么一直注册中？同样的账号密码其它app都正常登陆啊

### 5/5 — awesome sip app

*2025-11-26*

If you need sip, then it is the best sip application.

## Frequently asked questions about SIP Telephone

### What platforms does SIP Telephone support?

SIP Telephone fully supports iOS and macOS platforms, allowing you to connect your SIP systems across mobile and computer devices.

### Who is SIP Telephone designed for?

This app is designed for SIP development engineers, operations and maintenance teams, technical teams, and call center customer service teams that need to work across devices.

### What kind of diagnostics does SIP Telephone offer?

SIP Telephone offers signaling tracking and audio diagnostics, enabling users to fully grasp the call process and efficiently locate and resolve issues.

### Can SIP Telephone connect to self-built SIP systems?

Yes, you can seamlessly connect your self-built or hosted SIP system to mobile and computer devices using SIP Telephone.

### What is the rating of SIP Telephone?

SIP Telephone has a perfect rating of 5.0 stars from 1 rating.

### Is SIP Telephone free to use?

Yes, SIP Telephone is available for free.

### When was SIP Telephone last updated?

SIP Telephone was last updated on November 23, 2025, with version 1.0.

### Does SIP Telephone have ads?

No, SIP Telephone does not contain advertisements.

## Version history (last 2 releases)

### 1.1.0 — 2026-07-18

Introduced a redesigned dialer workspace and account management experience for mobile and macOS.
Added Pro account sync through iCloud and subscription links.
Improved incoming call handling, SIP registration, and WebSocket reconnection reliability.
Enhanced audio diagnostics, call controls, signaling inspection, and call quality monitoring.
Improved permission prompts, privacy information, and support access.
Standardized the installed, launched, and menu app names on macOS.
Fixed known issues and improved overall performance.

### 1.0 — 2025-11-23

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 2026-08-31.*