Presolicitation notice from the STATE, DEPARTMENT OF for Bangkok Cellphone Services in Thailand. The notice is for the provision of mobile telephone services for the U.S. Embassy in Bangkok. The contract will be an Indefinite Delivery and Indefinite Quantities (IDIQ) type contract with a base year and option periods. The Government intends to award the contract to the responsible contractor whose quotation represents the best value. Prospective offerors must be registered in the SAM Database prior to submitting an offer. Electronic offers will not be accepted.