# Sky Networks SkyPhone > SIP-based voice, video, and text messaging for iOS service providers. (iPhone/iPad app by Sky VC Networks LLC.) - Source: https://appshunter.io/ios/app/sky-networks-skyphone/id901917180 (this page in markdown: same URL + `.md`) - Developer: [Sky VC Networks LLC](https://appshunter.io/developer/914058760) - Category: Business - Price: Free - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 11.0 · 31 MB - Languages: American English - Released: 2014-08-09 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/sky-networks-skyphone/id901917180/reviews.md ## What is Sky Networks SkyPhone? Sky Network's "Skyphone" app leverages the the latest technology to offer, SIP based voice, video and text messaging services on iOS (iphone, ipad). Based on 3GPP IMS (IP Multimedia Subsystem standards , SkyPhone is designed as an OEM product that can be customized to fit service providers exact needs. It is perfect for service providers that offer wholesale, international and prepaid VoIP services to enterprise and retail customers. The incorporated SIP stack follows RFC 3261 and 3GPP TS 24.229 Rel-9 specifications, this will allow you to connect to any compliant SIP registrar. It also partially implements GSMA Rich Communication Suite release 3 and The One Voice profile V1.0.0 (LTE/4G, also known as GSMA VoLTE) specifications. The phone is setup to be centrally provisioned using encrypted https and our standard installation includes the provisioning server. It also features a visual voicemail with preintegrated implementations for Freeswitch based voicemail systems. The phone includes support for the STUN (RFC 3489/RFC 5389), ICE (RFC 5245) and TURN (RFC 5766) specifications allowing it to be used with the Sky Dance STUN/ICE/TURN Media server independently of a session border controller for far end NAT traversal or in conjunction with a SBC depending on scale and needs. ## Key features - SIP-based voice and video calls - Text messaging services - Customizable for service providers - Supports 3GPP IMS standards - Visual voicemail - NAT traversal support ## Frequently asked questions about Sky Networks SkyPhone ### What is SkyPhone? SkyPhone is an iOS application that offers SIP-based voice, video, and text messaging services. It is designed for service providers to offer VoIP solutions to their customers. ### Is SkyPhone free to use? Yes, SkyPhone is available for free. It does not have in-app purchases or advertisements. ### What devices does SkyPhone support? SkyPhone is compatible with iOS devices, including iPhone, iPad, and iPod. ### How often is SkyPhone updated? The latest version of SkyPhone, 2.12.5, was released on February 15, 2022. Updates typically occur to maintain compatibility and introduce new features. ### What communication standards does SkyPhone follow? SkyPhone is based on 3GPP IMS standards, including RFC 3261 and 3GPP TS 24.229 Rel-9. It also partially implements GSMA Rich Communication Suite release 3 and The One Voice profile V1.0.0. ### Can SkyPhone be used for international calls? Yes, SkyPhone is ideal for service providers offering international VoIP services, allowing them to connect with customers globally. ### Does SkyPhone have ads? No, SkyPhone is ad-free. Users can enjoy uninterrupted communication services without advertisements. ### What is the user rating for SkyPhone? SkyPhone has a high user rating of 5.0 stars based on 2 ratings, indicating strong user satisfaction. ## Version history (last 5 releases) ### 2.12.5 — 2022-02-15 Fixed tab color. ### 2.12.4 — 2022-02-04 Fixed the background color of tab bar on iOS 15. ### 2.12.03 — 2022-02-01 1. Updated for iOS 15 ### 2.12.02 — 2020-12-18 1. Enhanced ability to roam across networks without dropping calls. 2. Minor bug fixes. ### 2.12.01 — 2020-12-01 Improved voip push with call manager support Improved roaming between wifi and cell networks --- *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 2026-06-10.*