TY  - BOOK
AU  - Swale,Richard
TI  - Voice over IP: systems and solutions 
T2  - BT Exact communications technology series
SN  - 0852960247
AV  - TK5105.8865 V65
PY  - 2001///
CY  - London
PB  - Institution of Electrical Engineers
KW  - Telefonía por internet
KW  - TCP/IP (Protocolo de redes de computadoras)
ER  -