Make VoIP calls using SIP protocol over 3G, Edge, or Wi-Fi. Support all codecs and operate behind NAT or private IP. View call history, use loudspeaker, and hold calls. Auto-sync balance and receive real-time SIP status updates.
Create and save memos offline. Send them automatically once back in cellular range. Store memos securely without needing paper or access. Sync memos with upon reconnection.
Make international calls at low cost using landline or freephone numbers. Set predefined destinations. Route calls automatically. Combine with provider flat rate for savings. Call German mobiles with recommended Flatrate.
