No external line. Wiring required between extensions and the system
model number: Diplomat
Details: The diplomat Lift and Talk 2 line intercom system is best to be used as a boss-secretary intercom system, in small offices, in different rooms / floors in homes etc. It is extremely easy to install and use. As soon as you pick up the handset on one end, the other handset will ring and communication can be initiated by simply picking up the receiver. Two Non Caller ID. The Beetel C11 landline phones are provided within the package and need to be installed.
