Penguin is a free SIP based VoIP Registrar

Using either an application (SoftPhone?), or a hardware VoIP phone, you can place calls to other VoIP users and in some cases to POTS numbers eg US 800 numbers. provide functions such as call forwarding and voice mail. Test Numbers

  • *12 Time
  • *13 Echo Test (hear yourself talk!)
  • *99 Voice mail

If you plan to use Asterisk having point directly to your server is more beneficial.