Given the notice, the companies said they expected the Department of Justice (including the Federal Bureau of Investigation) and the Department of Homeland Security -- agencies involved with the national security review -- to allow the Federal Communications Commission to complete its review of the transaction. Sprint shareholders are scheduled to vote on the company's proposed merger with SoftBank on June 12. According to media reports, SoftBank made key concessions on removing Chinese made telecom equipment from both companies' networks in order to gain national security clearance, and also gave the U.S. the ability to veto board appointments and both companies' use of foreign vendors in their U.S. operations. SoftBank's network contains equipment manufactured by Chinese telecom equipment companies Huawei and ZTE, raising some concerns of cyber attacks and data theft. Sprint, through its proposed acquisition of Clearwire ( CLWR ), also will pick up Huawei-made equipment.