ShoreTel ShoreGear SG-24 120/24 Voice Switch (Refurbished)

Key Features:

• Supports up to 120 IP phones or up to 24 analog ports (8 universal analog station/trunk (FXO/FXS) ports and 16 analog station (FXS) ports)
• 2 RJ-45 local area network (LAN) connectors
• 1 RJ-21X port for punchdown block, patch panel, or 12-port harmonica connector
• 1 RJ-11 port for connection to the extension side of the Power Fail Transfer Unit (Extension 9)
• 1 DB-9, RS-232C maintenance port for serial communications
• 1 3.5 mm stereo input for connecting a music-on-hold source
• 1 3.5 mm stereo output for connecting to a overhead paging system or night bell
• SIP trunking and extension protocol support