Paperback (30 Nov 2000)
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Out of stock
Whilst voice over IP offers cheap long distance telephone services, the quality is low. The cheap long distance call revolution hasn't happened yet. This guide for professionals shows how to dramatically improve VoIP signalling.
| ISBN: | 9780071363266 |
| Publisher: | McGraw-Hill |
| Imprint: | McGraw-Hill |
| Pub date: | 30 Nov 2000 |
| DEWEY: | 004.6 |
| DEWEY edition: | 21 |
| Language: | English |
| Number of pages: | 479 |
| Weight: | 980g |
| Height: | 235mm |
| Width: | 175mm |
| Spine width: | 33mm |
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