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Voip - A practical guide for the non-telephone engineer

Posted By: Nice_smile)
Voip - A practical guide for the non-telephone engineer

Voip - A practical guide for the non-telephone engineer by Joe Yeung
English | 2015 | ISBN: 1326260634 | 176 Pages | EPUB | 3.91 MB

This is a practical guide for business and It managers on implementing a Voice over Ip telephone system