Metro Ethernet

CornerStone Telephone Company provides cost effective and scalable Metro Ethernet service and Metro Ethernet solutions for business customers who need secure connections for mission critical operations. Whether you need a redundant, reliable data network to connect multiple offices or you're moving large files and need Gigabit connections, we have a solution that's right for you.


CornerStone Ethernet Multipoint Service (C-EMS)

This Ethernet solution supports connectivity between multiple offices in a metropolitan area.
Virtual LAN Ethernet connectivity at each customer's office provides every C-EMS customer with a business-class, dedicated Virtual LAN. Fiber loops provide customers with the choice of 10Mbps, 100 Mbps or 1Gbps port speeds.

CornerStone Ethernet Virtual Private Line (C-EVPL)

This solution delivers point-to-point connectivity and offers options for Classes of Service (CoS) and Service Level Agreements (SLAs). Real Time Class of Service is designed to carry packet voice, video and other applications requiring tight guarantees of frame delay, frame jitter, and frame delivery performance. Priority Data CoS is for customer data applications requiring guarantees of frame delivery performance and Basic CoS is designed for customer data applications where cost per Mbps is the key requirement with no need for guarantees of performance.

Ethernet over SONET

Where available, CornerStone offers Ethernet over SONET for point-to-point configurations. Along with the benefits of SONET transport reliability, this redundant and robust solution provides Real Time CoS along with a broad range of bandwidth availability including 10 Mbps, 50 Mbps, 100 Mbps, 150 Mbps, 300 Mbps, 450 Mbps, 600 Mbps and 1 Gbps. Further flexibility is available for customers requiring high capacity circuit handoffs range from OC3, OC12, OC48 and OC 192 channelized SONET 1+1 handoff.    

For more information, call 866-992-9111 or click on the "click to chat" button on this page.