Ayo-Bello, Oluwabukola, Abiodun Musa Aibinu, Osichinaka Ubadike, Adeiza James Onumanyi, and Muyideen Omuya Momoh. 2022. “A QOS ESTIMATION ALGORITHM FROM CALLER RINGTONE ANALYSIS IN GSM NETWORK”. International Journal of Software Engineering and Computer Systems 8 (1):53-68. https://doi.org/10.15282/ijsecs.8.1.2022.6.0096.