SIPhone

SIPhone is the SIP calling app for Sipona lines. Sign in with your Sipona account and make secure HD-quality calls on your phone – anywhere in the EU.

Secure connection
• Encrypted signalling (TLS) and encrypted voice (SRTP)
• HD voice quality for clear conversations
• Stable calls even when the network changes (Wi-Fi/mobile)

Reliably reachable
• Incoming calls ring even when the screen is locked
• Calls are shown properly as a phone call by the system
• Battery-friendly thanks to push – no constant background service

Convenient calling
• Transfer calls – blind (straight through) or attended (consult first, then connect)
• Call waiting, a second call, and switching between calls
• Hold, mute, speaker, keypad (DTMF)
• Call your phone book and device contacts directly

Built for the EU
• User interface in 24 EU languages

Privacy
• Sign in with your Sipona account
• Encrypted transmission of signalling and voice
• Your data is not shared for advertising

Note: SIPhone requires an active Sipona line. The app is a client for Sipona telephony and is not a standalone phone service.

Published by dus.net GmbH.