====== Asterisk ======

  * [[http://www-rocq.inria.fr/~sultan/Asterisk/asterisk_sip_external_authentication.html|SIP peers external authentication in Asterisk / OpenPBX]]
  * [[http://www.panoramisk.com/90/sip-trunk-with-asterisk/en/|SIP trunk with Asterisk]]
  * [[http://www.panoramisk.com/87/sip-trunk-et-call-limit-2/en/|SIP trunk and call-limit]]
  * [[http://www.panoramisk.com/58/sip-parameter-exchange-with-asterisk/en/|SIP parameter exchange with Asterisk]]
  * [[http://www.panoramisk.com/146/client-registration-using-sip-register/en/|Client registration using SIP: REGISTER]]





===== Asterisk & cisco =====

  * [[http://www.opennet.ru/tips/info/1456.shtml|SIP Линк между Cisco 2811 и Asterisk]] (полезный комментарий)
  * [[http://www.voip-info.org/wiki/view/Cisco|Cisco page]] at voip-info
    * [[http://www.voip-info.org/wiki/view/Asterisk+cisco+FXO|How to connect a Cisco Router with FXO module to Asterisk]]
  * [[http://www.tek-tips.com/viewthread.cfm?qid=1202004&page=8|setup of SIP trunk between Asterisk and Cisco call manager 4.0]]
  * [[http://www.thecruftofmybrain.com/2006/03/14/cisco-router-with-fxo-as-an-asterisk-gateway/|Cisco router with FXO as an Asterisk gateway]]
  * [[http://ertw.com/blog/2005/04/19/asterisk-and-an-as5350-sip-peer/|Asterisk and an AS5350 SIP peer]]
  * [[http://forums.whirlpool.net.au/forum-replies-archive.cfm/628683.html|Cisco FXS, FXO & Trixbox]] см. комментарии
  * [[http://www.profcom.com.au/ru/support.html|support]] справа "Cisco 2821 раутер"