Cut the cord! the consumer's guide to VoIP
Telephones have truly become an integral part of our daily lives, serving as our communication lifeline to the world. However, there have been very few advances in the basic technology of phone service - until now. Voice over Internet Protocol (VoIP) offers consumers a cost-effective alternative to...
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| 言語: | Undetermined English |
| 出版事項: |
Boston, MA
Thomson Course Technology
2006
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| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Trà Vinh |
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