Related sites:

• voip-info.org

  Welcome to VOIP-info: a reference guide to all things VOIP. - VoIP-Info

  

• asterisk.org

  Open Source Communications Software | Asterisk Official Site

  

• asteriskguru.com

  Asterisk Guru - Tutorials and howto's for the asterisk PBX and voip in general

  

• voiptalk.org

  Cheap calls using VoIP services from VoIPtalk

  

• voipon.co.uk

  Asterisk Hardware, Phone Systems, IP Phones & VoIP Equipment - VoIPon Solutions

  

• avanzada7.com

  VoIP: Distribución y proyectos de ingeniería VoIP - Avanzada 7

  

• asterisk-pbx.ru

  Настроим Asterisk, Freeswitch, Call Center