STEVENSON, Md.--(BUSINESS WIRE)--The securities litigation law firm of Brower Piven, A Professional Corporation, has commenced an investigation into possible breaches of fiduciary duty and other violations of state law by the Board of Directors of Alteva, Inc. (NYSE MKT: ALTV) (“Alteva” or the “Company”) relating to the proposed buyout of the Company by Momentum Telecom, Inc. (“Momentum Telecom”), in a transaction valued at approximately $28.7 million. Under the terms of the transaction, Alteva