The Panasonic KX-TAW848 comes factory configured to handle 4 Lines (with Caller ID) and 4 Hybrid Extensions.
The Panasonic KX-TAW84861 4 port doorphone/door opener expansion card supports up to 4 doorphones.
The Panasonic KX-TAW84866 8-channel echo canceller card provides echo cancellation for conference calls for up to 16 ports.
The Panasonic KX-TAW84870 4-Port Extension Card is a 4-Port Hybrid Extension Card supports KX-T7700 (APT) series telephones.
The Panasonic KX-TAW84874 8-Port Single Line Extension Card supports single line telephones (SLT).
Panasonic KX-TAW84875 4-Port Proprietary Extension Card supports up to 4 KX-T7700 series (APT).
The Panasonic KX-TAW84876 8-Port Proprietary Extension Card supports up to 8 KX-T7700 series (APT).
The Panasonic KX-TAW84880 4-Port Analog Trunk Card provides 4 incoming lines.
The Panasonic KX-TAW84891 2-Channel Voice Message Card features: 2 channel message card (MSG2).
Panasonic KX-TAW84893 4-Port CO Line Caller ID Card provides Caller ID on 4 CO lines.
Panasonic KX-TAW84896 Remote Card V.90 allows remote access to the phone system through a V.90 modem.
