Features:
1) Fifteen communication paths
2) Extendable card structure
3) Password programming
4) CO line ringing assignment
5) OGM for auto-attendant mode
6) PC billing system
7) CO line appointment
8) Group calling
9) External music inputted
10) Support caller ID
11) Outgoing call restriction
12) Three way conference
13) Music on holding
14) Call forwarding
15) DISA optional
16) Compatible with voice recorder
17) Broadcasting feature
18) Silvery gray plastic casing

Weights:
TC-816B is 7.7kg
CO line card is 0.2kg
Extension card is 0.2kg
Length: 46cm
Width: 19.7cm
Height: 11cm

Inner packing:
Dimensions: 72 x 54 x 40cm

Outer packing:
Cartons
Carton dimensions: 54 x 45 x 36.5cm
Qty/carton: 4pcs
Weight/carton: 15.4kg (TC-816B)