00543nam a22001457a 4500 004 Khalid, Saqib framework to Mitigate Security Vulnerability (Denial of Service(DOS) ) of Session Initiation Protocol / Voice over Internal Protocol (SIP/VOIP) / Saqib Khalid Islamabad : MCS - NUST, 2017. 47 p. ; 30cm. information Technology-MS-Thesis 16355 Dr. Imran Rashid 35026 ddc THE 540852 540852 0 0 ddc 0 004_000000000000000 0 500675 CL CL THE 2020-11-11 0 004 CL-T-970 2020-11-11 2020-11-11 THE 0 0 ddc 0 004_000000000000000 0 501108 CL CL THE 2020-11-18 0 004 CL-T-1204 2020-11-18 2020-11-18 THE