TY - BOOK AU - Waseem Ajmal (16954) TI - Android based secure voip application U1 - 005.8 PY - 2017/// CY - Islamabad PB - (Unknown) KW - Computer security KW - Information security KW - Network layer KW - Mobile layer KW - Mobile devices KW - Authentication service KW - SIP network elements KW - RISE N1 - A thesis submitted in partial fulfillment of the requirements for the degree of Masters of Science in Information Security to the Faculty of Computing; Include Bibliographical references; Thesis Supervisor : Mr.Khurram Javed; Thesis (MS)--Riphah International University, 2017 ER -