TelefonX

Connect TelefonX to compatible SIP providers or phone systems and make and receive calls directly on your Mac.

Control active calls with mute, hold and DTMF keypad tones.

Answer a second incoming call and switch between active conversations.

Start consultations, transfer calls and join two participants in a local three-way conference.

Hide your caller ID permanently for a line or once for the next outgoing call.

Choose separate devices for your microphone, call output and ringtone playback.

Assign an included ringtone to each SIP line and test its output directly in TelefonX.

Create and manage contacts with multiple numbers, photos, groups, notes and a preferred line.

Display Apple Contacts as a read-only source or copy them into TelefonX as independent contacts.

Mark frequently used contacts as favorites and reach the preferred number more quickly.

Search and filter incoming, outgoing, missed, declined and blocked calls.

Block individual phone numbers, SIP addresses or anonymous callers across all configured lines.

Use selected numbers from other apps or open tel:, sip: and sips: links directly with TelefonX.

Check line status from the menu bar and manage incoming or active calls through local notifications.

Enable Do Not Disturb for a chosen duration or optionally sync it with macOS Focus.

Optionally pause Apple Music or Spotify automatically when a call begins.

Export and replace your local TelefonX data using a backup file.

Restore SIP connections automatically after network, VPN or wake changes.

Add more SIP lines, keep them registered in parallel and choose the appropriate line for each call.

Schedule callbacks with a date, note and optional line and receive a local reminder.

Route numbers automatically through a chosen SIP line using configurable prefixes.

Import and export local TelefonX contacts as CSV files.

Use your own audio files as ringtones or play custom music while the other party is on hold.

Optionally add matching Apple Maps business names to unknown public phone numbers.