CCNA voice study guide (640-460)
By: Andrew Froehlich.
Edition: 1st ed.
Publisher: Wiley Technology Pub.; Sybex; Wiley Pub.
Published: 2010
Place of publication: Indianapolis, Ind
Language: eng
Number of pages: 648
ISBN-13: 9780470527665
Subjects: Internet telephony -- Examinations -- Study guides
Genres: Study guides