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Calisto P540-M: How to make International calls on the desk phone

Article ID : 000001303

How to make International calls on the Calisto P540-M phone?


Follow this procedure to place an international call using the dialpad on the Calisto P540-M phone. 1. Press the "0" button on the keypad for 1.5 seconds (you will see the "0" on the display change to a "+"). 2. Key in the 12 digit international phone number. 3. Take the handset off of the phone. The phone will automatically add the additional 9 digit code (country and other access codes) to the number keyed in and will dial the number.  

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