Easy to install card Upgrades the PBX 424-832 to 32 extension output capability so you may add more phones and devices! This is the upgrade card only - not the PBX.
This is a user installable card and we give you support to install it.
Included is the needed hardware. Screwdriver needed! Takes only 5 minutes to install and raises the default 24 extension capability of the PBX 424-832 to 32 extension capability!
This cannot be used for the DL-416 PBX which is not upgradable except for the CID-416 card that is available, but line and extension upgrade cards can only be used on the DL-424-832 PBX.
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