MizuPhone

Call your friends on VoIP.

MizuPhone is a free customizable SIP softphone that lets you call your friends using any VoIP provider.

Type your VoIP provider server address in “Server” input box, your SIP account Username and Password, and you're ready to go.

Supported features:
-Initiate and receive VoIP calls and chat over any connection above 15 kbits (GPRS, EDGE, WiFi, 3G, 4G, 5G)
-SIP over UDP, TCP and TLS
-Push notifications for always availability
-CallKit native call integration
-All the popular VoIP codec's are supported with echo cancellation including G.729 and OPUS wideband
-PBX features such as DTMF, hold, transfer, conference, caller-id, call-wait, credit and rating display
-A list of SIP related RFC’s and call-control features
-Integration with server API such as new user registration, callback, SMS and others
-Optional branding and customization