Castel SIP

Castel SIP
Developer: Castel
Category: Social Networking

Castel SIP Summary

Castel SIP is a mobile iOS app in Social Networking by Castel. Released in Oct 2012 (13 years ago). Store metadata: updated Mar 13, 2026.

Store info: Last updated on App Store on Mar 13, 2026 .


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Screenshots

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App Description

Castel SIP App is a SIP intercom softphone.
The easy-to-use and intuitive application, allows you to make and receive audio and video calls from IP intercom stations (XELLIP, CAPIP...) on your iPhone or iPad.
With Castel SIP App, you can communicate and open the door, anywhere.
It works with the Castel Cloud SIP server through Wi-Fi and 3G/4G/5G.
Main features:
- Audio and video calls with advanced functionalities (Loudspeaker, transfer calls, hold...)
- Address book with favorites
- Call history
- Remote commands during calls and DTMF
- Support landscape and portrait mode for all smartphone and tablet designs (camera notch...)
Note: Please, check your cellular operator's terms of agreement to make sure they allow SIP calls on their network before using Castel SIP App.