SIP Trunking

  • Author(s): Christina Hattingh; Darryl Sladden; ATM Zakaria Swapan
  • Publisher: Cisco Press PTG
  • Copyright year: © 2010
  • Edition: 1st
  • Pages: 360
  • Print ISBN: 9781587059445, 1587059444
  • eText ISBN: 9781587059476, 1587059479
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  • eText ISBNs: 9786612502774, 9781587059469, 6612502770, 1587059460