Wittenberg, Nicholas.
Understanding voice over ip technology [[Book] /] Nick Wittenberg. - inter ed. - Clifton Park, NY : Delmar Cengage Learning, 2009. - vii,387p ; : ill ; 24cm. + 1 CD-ROM (4 3/4 in)
includies index includies CD
All age.
9780840031303 0840031300
internet technology
621.382
621.382 / WU
Understanding voice over ip technology [[Book] /] Nick Wittenberg. - inter ed. - Clifton Park, NY : Delmar Cengage Learning, 2009. - vii,387p ; : ill ; 24cm. + 1 CD-ROM (4 3/4 in)
includies index includies CD
All age.
9780840031303 0840031300
internet technology
621.382
621.382 / WU