TY  - BOOK
AU  -  Aloikin,Catherine
TI  -  Interoperability of internet telephony systems and their convergence with the public switched telephone network / 
U1  -  621.38 
PY  - 2004///
CY  -  Kampala, 
KW  -  Telephone systems
N1  -  Final year project report (B.Sc. Electrical Eng.) - Makerere Univers ity, 2004;  Includes bibliographical references
ER  -