# sip:phone > Secure VoIP softphone for voice and video calls with encrypted SIP communication. (iPhone/iPad app by Sipwise GmbH.) - Source: https://appshunter.io/ios/app/sipphone/id1098176019 (this page in markdown: same URL + `.md`) - Developer: [Sipwise GmbH](https://appshunter.io/developer/871192252) - Category: Utilities, Productivity - Price: Free - Rating: 3.00/5 from 3 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 18.6 · 25 MB - Languages: English, German, Italian - Released: 2016-07-04 - Data updated: 2026-07-04 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/sipphone/id1098176019/reviews.md ## What is sip? sip:phone is a Unified Communication Client brought to you by Sipwise GmbH, the open source soft-switch vendor. IMPORTANT NOTE: sip:phone requires an existing account on the sipwise.com Server. IT DOES NOT WORK properly on arbitrary SIP providers or Sipwise deployments! HIGHLIGHTS: • Secure VoIP softphone for voice and video. • Encrypted SIP communication for secure calls • Recent Calls List • Full support of in-call features (mute, speaker phone, hold, DTMF, ...) • DNS SRV Support for SIP • Auto-Discovery of contacts in your address book. • List of favorites with presence state and possibility of call-pickup • Max two contemporary calls are supported • Call transfer and call conference • Push notifications IMPORTANT VOIP OVER MOBILE/CELLULAR DATA NOTICE: Some mobile network operators may prohibit or restrict the use of VoIP functionality over their network and may also impose additional fees, or other charges in connection with VoIP. You agree to learn and abide by your cellular carrier's network restrictions. Sipwise GmbH will not be held liable for any charges, fees or liability imposed by your carrier for use of VoIP over Mobile/Cellular Data. EMERGENCY CALLS: The sip:phone application delivers calls on a best-effort basis to the service you are signed up with. As a consequence, the sip:phone application is not intended, designed, or fit for placing, carrying or supporting Emergency Calls. Sipwise GmbH will not be liable for any costs or damages arising either directly or indirectly from the use of the software for Emergency Calls. Using sip:phone as a default dialer may interfere with dialing emergency services. ## Key features - Secure VoIP for voice and video - Encrypted SIP communication - Full in-call features - Contact auto-discovery - Favorites list with presence - Call transfer and conference ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/sipphone/id1098176019/reviews.md ### 1/5 — Doesn’t work on my phone *2019-07-12* Why not? ### 1/5 — crashed upon open *2019-02-11* Pressed icon , it showed a splash screen, and then it died. In Apple iPhone 4s ## Frequently asked questions about sip ### Does sip:phone work with any SIP provider? No, sip:phone specifically requires an existing account on the sipwise.com Server and does not work properly with arbitrary SIP providers or other Sipwise deployments. ### What devices does sip:phone support? sip:phone is available for iPhone and iPod devices. ### How often is sip:phone updated? The latest version, 2.0.2, was released on September 22, 2025, indicating recent development activity. ### What is the age rating for sip:phone? sip:phone has an age rating of 4+, making it suitable for a wide range of users. ### Can sip:phone be used for emergency calls? No, sip:phone is not intended or designed for emergency calls. Its use for emergency calls may interfere with dialing emergency services, and the developer is not liable for any issues arising from such use. ### What are the limitations of using sip:phone over mobile data? Some mobile network operators may restrict or prohibit VoIP functionality over their network, potentially imposing additional fees. Users agree to abide by their cellular carrier's network restrictions. ### What is the user sentiment for sip:phone? Based on available data, sip:phone has a rating of 2.0 stars from 2 ratings, suggesting a mixed or negative user reception. ### Does sip:phone have ads? No, sip:phone does not contain advertisements. ## Version history (last 5 releases) ### 2.0.5 — 2026-06-08 Improvements and bugfixes ### 2.0.2 — 2025-09-22 Minor improvements and bugfixes ### 2.0.1 — 2025-08-29 App rewritten from scratch ### 2.0 — 2025-08-28 App rewritten from scratch ### 1.6.3 — 2023-10-03 Improvements to SIP Presence ## Apps similar to sip | App | Rating | Price | Category | | --- | --- | --- | --- | | [Off - Shutdown and Wake On Lan](https://appshunter.io/ios/app/off-shutdown-and-wake-on-lan/id529923825) | 4.6 (405) | Free | Utilities | | [Network Utility](https://appshunter.io/ios/app/network-utility/id573021799) | 4.6 (583) | Free | Utilities | | [UniCam: IP Camera Viewer](https://appshunter.io/ios/app/unicam-ip-camera-viewer/id1520672887) | 4.1 (26) | Free | Utilities | | [Satellite map AR SatFinder 3D](https://appshunter.io/ios/app/satellite-map-ar-satfinder-3d/id1054455714) | 5.0 (1) | Free | Utilities | | [sipcall](https://appshunter.io/ios/app/sipcall/id1501305137) | 4.0 (7) | Free | Utilities | | [IntelliTrend Mobile for Zabbix](https://appshunter.io/ios/app/intellitrend-mobile-for-zabbix/id1639789657) | 5.0 (4) | Free | Utilities | ## Related topics [sipwise](https://appshunter.io/ios/topics/sipwise) · [session talk](https://appshunter.io/ios/topics/session-talk) --- *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 2026-07-04.*