The Panasonic KX-T 206 E Telephone System is supplied fully configured for 2 line and 6 extensions, therefore the telephone system requires no expansion cards. With the built-in hybrid extension ports, the Panasonic KX-T 7000 series keyphones are optional, or any single line device can be used, such as, a fax, PC with modem, TAM or cordless telephone. Panasonic KX-T 206 E offers built-in doorphone interface and music on hold. The doorphone does not take up an extension port. DISA allows you to record a message to greet or instruct customers. Fax Detect makes full use of the two line capacity. If a fax call is received, it is automatically transferred to the fax machine. Automatic fax transfer Automatic pause insertion Call forward Hold Call pick-up Transfer Call waiting Conference call Data line security Optional DISA facility Distinctive ringing Door opener Last number redial Intercom MOH Call barring System speed dialling - 80 numbers Pulse/tone switchable