Calisto P540-M: How to Dial Internationally
How do I make international calls on the Calisto P540-M phone?
To place an international call using the dialpad on the Calisto P540-M phone:
- Press the "0" button on the keypad for 1.5 seconds (the "0" on the display changes to a "+").
- Key in the international phone number.
- Take the handset off of the phone. The phone will automatically add the additional country and other access codes and dial the number.