Archived App (Last seen on 9 Jan 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Simplified open is a simple to use SIP softphone for iPhone and iPad that can be customized on demand.
Allowing users to easily register on a VoIP system, the Simplified Softphone can be used with a large number of SIP-compatible VoIP service providers. You can call on WiFi and 3G networks from anywhere in the world.
Simplified Highlights:
1. Compatible with any SIP-based Softswitch
2. Connectivity through WIFI/3G/EDGE
3. Outgoing Incoming VoIP Calls
4. iPhone Address Book Integration
5. Call History
6. Work in Background Mode
7.Excellent Voice Quality through supported Audio Codecs G711a, G711u, G722, GSM, Speex.
8. Easily Configurable Settings
9. Bluetooth Headset Support
10. Call Display
11. Speakerphone, Mute and Hold Functions
12. Call Recording
13. Favorites/Speed Dial
14. Hold/Resume/Redial
Notes:
Because the Simplified Softphone is a SIP client, it must be used with an existing VoIP service in order to make calls. Please ensure your VoIP provider’s service supports SIP clients.
Please check with your network operator before enabling the VoIP over 3G app. Some mobile network operators may prohibit or restrict using VoIP over their networks, or they may impose additional charges.
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What's New in SIMPLIFIED NETWORKS OPEN
2.1.1
July 15, 2022
1. Bug Fixes
