Shoretel Shoreware SG-220T1A Bay Networks stock refurbished ShoreTel Voice Switch 220T1A with warranty and support.  The ShoreTel Voice Switch 220T1 is a 1U half-width voice switch that supports up to 220 IP phones, or up to 100 IP phones and a T1 at the same time. The ShoreTel Voice Switch 220T1 supports ShoreTel IP phones, softphones, and SIP devices. ShoreGear 220T1A Features Supports up to 220 IP phones OR up to 70 IP phones, 2 loop start trunk (FXO) ports, 4 analog extension (FXS) ports, and a T1 simultaneously 2 RJ-45 local area network (LAN) connectors 1 RJ-45 T1 port for connecting the switch to a telephone company 1 RJ-45 T1 monitor port for connecting test equipment 1 RJ-21X port for punch-down block, patch panel, or 12-port harmonica connector 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 Supports SIP trunks and SIP devices The ShoreTel SG-220T1A is a voice switch designed to run on ShoreTel's UC platform. The ShoreTel SG-220T1A interfaces to standard analog trunks through Loop Start. The SG-220T1A features two RJ-45 Ethernet connections, an RJ-21X port for a patch panel connection. From the RJ-21X port the analog ports can be used. A DB9 port is offered in order to allow users to console into the system. A pair of 3.5 mm audio jacks are included for connecting a paging system or music on hold source.   Call or email us for any additional information or purchase SG-220T1A online.