TY  - BOOK
AU  - DONOHUE AND ETC
ED  - NO
TI  - CISCO VOICE GATEWAYS AND GATEKEEPERS : UNDERSTANDING AND CONFIGURING GW/GK IN COMPLEX VOIP NETWORKS
SN  - 8131718107
U1  - 004.6 DON 
PY  - 2008///
PB  - PEARSON
ER  -