This is a Request for Quote for local voice and data TDM circuits at the SDDC location in Concord, California, to maintain existing services until they are migrated to IP under a separate initiative. The performance of services is specifically for Concord, CA. The contract requires a firm-fixed price for a base year and includes a mandatory 90-day price hold period from the quotation receipt date. Quotations are only accepted from facilities-based local exchange carriers certified by the State of California, and bids must cover all circuits in the Statement of Work on an all-or-none basis. The evaluation will be based on price, technical capability, and past performance.