Xblue X16 Small Office Phone System 2 Telephone Line Expansion Board XB1630-00
- 2 Telephone line expansion board for the X16 phone system.
- This expansion board adds 2 additional Telephone lines to the system.
- 2 Telephone line expansion board for the X16 phone system. This expansion board adds 2 additional Telephone lines to the system.
- This expansion board will bring the system to its maximum capacity of 6 telephone lines..