The Meridian Systems portfolio provides private branch exchange (PBX) solutions for enterprises requiring from 60 to 80,000 lines. This portfolio includes the Meridian 1 family and the Meridian SL-100, and is designed to meet voice communications needs whatever the size.  Plus, the Meridian Systems portfolio enables advanced applications such as Voice over IP (VoIP), Call Center, Unified Messaging, and Mobility.

• Meridian 1 Option 11C
  Meridian 1 Option 11C is the optimal choice for stand-alone or networked sites seeking support of both traditional as well as IP Telephony solutions with expandability from 60 to 800 ports.
• Meridian 1 Option 11C Mini
  The Meridian 1 Option 11C Mini PBX is a smaller version of the Option 11C. It targets branch offices supporting from 60 ports up to 128 ports and provides all the features and applications of larger Meridian 1 systems.
• Meridian 1 Option 61C
  Meridian 1 Option 61C is a carrier-grade platform supporting both traditional voice and Voice over IP communications for enterprises requiring from 200 to 2000 lines.
• Meridian 1 Option 81C
  Meridian 1 Option 81C is a carrier-grade platform supporting both traditional and IP Telephony deployments for small-to-medium sized enterprises ranging from 200 to 16,000 lines, with advanced voice features, redundant call processing, and a redundant OC-12 internal switching matrix.
• Meridian SL-100
  The Meridian SL-100 is a carrier grade PBX for large enterprises, campus environments and Federal government implementations. With scalability from 5,000 to 200,000 ports and a carrier grade architecture, the Meridian SL-100 is a unique solution in the marketplace, addresses the most demanding customer requirements.