1.
Securing Voip : Keeping Your Voip Network Safe
by (Bud) Bates, Regis J. Jr
ISBN: 9780124170391
List Price: $49.95
4.
5.
Cdma2000 For 3G and 4G Wireless Networks
by Bates, Regis Bud J.
ISBN: 9780071414951
List Price: $59.95