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22kHz bandwith
the DCHI can support a maximum of eight PRI connections
1 dB steps
Large 5 Line LCD Monochrome Display (24 Character)
Inter-Tel 550.8416 DSS Add-on Module Routers 22kHz bandwithInter Tel 550. 8416 DSS Add on Module Description: The Inter Tel 550. 8416 is a direct station selector for Inter Tel Axxess phones. This add on module supports the Inter Tel 550. 8520 and 550. 8560 digital phones and provides an additional 16 programmable keys. The keys can be used as busy lamp feature keys (BLF), in addition to extension keys, and line appearances. Each key has an LED status indicator that alerts the phone user to the status of a
