ShoreTel 600-1027-06 Voice Switch

The SHORETEL SG-T1 600-1027-06 Voice Switch is an enterprise IP telephony appliance that provides T1/PRI trunk connectivity between ShoreTel VoIP systems and public telephone networks or legacy PBX systems. It functions as an embedded VoIP gateway and T1 digital trunk switch with a T1/PRI interface supporting PRI, Loop Start, and Wink Start signaling, and it offers dual RJ-45 10/100 Ethernet LAN ports for network redundancy. The unit includes a RJ-45 T1 telco port, a T1 monitor port, and a DB-9 RS-232 maintenance port, plus a 3.5 mm Music-on-Hold input and a 3.5 mm Paging/Night Bell output. Mounting supports rack or desktop installations; power input is 100-240 VAC, 50/60 Hz, and dimensions are 17.2" W × 14.3" D × 1.7" H. Commonly deployed in corporate offices, call centers, healthcare facilities, and educational institutions to connect ShoreTel IP phone systems to T1/PRI services while enabling legacy PBX integration and SIP migrations. Typical equipment includes ShoreTel IP Phone Systems, PBX Systems, and VoIP Networks, with features that include embedded call control and VoIP gateway capability and dual LAN redundancy, plus music-on-hold and paging system integration. Status: Discontinued OEM telecommunications equipment available through secondary markets. Common replacements include SHORETEL SG-T1 600-1027-22, SHORETEL SG-T1 600-1027-24, and Mitel Mi-Voice Border Gateway Appliance.