Voice over IP Security

By Denver Abrey

Voice over IP telephony is gaining popularity quickly, and is often replacing traditional PSTN connectivity due to its low cost and easy implementation. In moving from a legacy PSTN system to a newer... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 384335765X
• ISBN13: 9783843357654
• Release Date: October 2010
• Publisher: LAP Lambert Academic Publishing
• Length: 72 Pages
• Weight: 0.26 lbs.
• Dimensions: 0.2" x 6.0" x 9.0"