This ITN seeks individual proposals for Telecommunication Services that includes the following: a. Voice Services b. Long Distance Service c. POTS Replacement Services Proposer shall provide documentation on solutions that will be employed to ensure that all present M-DCPS PBXs and VoIP voice systems remain functional. Proposer shall provide details on their ability to deliver PRI T1 and POTS, local and long-distance, toll-free services or alternatives. Proposer shall provide a detailed plan that maintains current M-DCPS services and levels or equivalent alternatives during the transition period. It is the expectation of M-DCPS, that interruption of services during the migration and number porting process Shall be kept to a minimum.