Building enterprise-ready telephony systems with sipXecs 4.0 : leveraging open source VoIP for a rock-solid communications system
- Author
- Michael W PicherAnthony Graziano
- Publisher
- Packt Pub
- Language
- English
- Year
- 2009
- Page
- vi, 298 p. : ill
- ISBN
- 1847196802,9781847196804
- File Type
- pdf
- File Size
- 12.7 MiB
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