ExTel вызывная аудио панель

Feature

• Connected as a PABX extension.
• Flexible Ext. / Group to ring when pressing the button.
• Programmable door open relay time
• AC 12V outlet  to open door.
• Follow me option - the door call can redirected to any telephone number.
• Day / Night mode - configure which ext. will ring at the day / night hours.
• Electronic ringing on panel, while telephones at home are ringing.
• Additional button to open the door from inside the office