John Q. Walker

Taking charge of your VoIP project
John Q. Walker, Jeffrey T. Hicks · 2004
על הספר
Written for a non-technical audience, this text shows readers what it takes to build a VoIP system, including equipment, personnel, and other infrastructure needs, as well as how to build a business case for a Voice over IP system deployment and calculate the return-on-investment of a VoIP project.
פרטי הספר
- שנה
- 2004
- שפה
- English
- הוצאה
- Cisco Press
- מהדורות
- 1
- עמודים
- 312
- ISBN
- 9781587200922
מקור הנתונים: Wikidata

