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|Full?featured?with?built-in-key?system?and?PBX?functionality
|4 Analog Lines per Gateway (Maximum 2 per system)
|Supports Custom On-Hold Message Recording
|Built-in Auto Attendant dial by name, day/night mode
|Built-in Voice Mail - 30 Min Per Extension
|Web Based Customization and Administration
|Rack-Mountable
|Supports Automatic IP Address Assignment
|Ethernet Port and 1 Power Failure Connection (FXS)
|4 Analog Lines per Gateway (Maximum 2 per system)
|Supports Custom On-Hold Message Recording
|Built-in Auto-Attendant (up to 4) with Dial-by-name and Day/Night Modes
|Built-in Voice Mail-30 Min Extension, with Message Waiting , PoE , AC or DC Powered
|Call Forward, Hold, Transfer, 3-Party Conference, Call Waiting, Call Log, Caller ID, DND, Redial
|Web Based Customization and Administration
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* Requires AT&T Syn248 Deskset - SB35020 to operate. .