VaxPhone - SIP based softphone vs Castel SIP Usage & Stats
VaxPhone is a SIP based softphone to dial and receive internet phone calls by using ANY ITSP (Internet Telephony service provider). Find an ITSP on the internet, get SIP account from that ITSP and use it with VaxPhone.
1. Voice Changer-letting you sound like a robot, a chipmunk, a drunk grandpa, a teen boy or someone who just inhaled helium.
2. Dial/receive phone, mobile and audio/video based voip calls.
3. Send and receive chat messages.
4. SIP based chat contact presence is supported.
5. Receive incoming calls when application is in the background.
6. Supports Speakerphone and Echo-cancellation.
7. Mute and hold calls.
8. Call history.
9. Selectable ringtones.
10. iPhone/iPad contacts integration.
11. Supports multiple high and low band voice codecs.
12. Auto network reachability.
VaxPhone is developed using VaxVoIP SIP SDK. This SDK provides an easiest way to develop SIP based webphone, softphone and IVR systems.
- Apple App Store
- Free
- Social Networking
Store Rank
- -
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.
- Apple App Store
- Free
- Social Networking
Store Rank
- -
VaxPhone - SIP based softphone VS. 
Castel SIPJanuary 1, 2025