Metro Communications operates a Class 4 voice switching network providing wholesale routing, origination and termination services to CLECs, IXCs, ILECs, Cellular Providers and other wholesale market customers.  GenBand's S3, RSM, C3, G9 and SR3 comprise the core of our fully redundant, carrier class facilities delivering over 20,000 TDM/IP ports of capacity.    Some of the vendor's utilized in our network include: