Designed by Digium the Switchvox AA305 VoIP Pbx Appliance ensures support of up to 150 users simultaneously. The device can support up to 45 concurrent calls, 15 conference participants and 10 concurrent call recordings.
Now with "NuovoVoip" by TelefonicaWeb.net ,you can call with internet telephony rates from any landline or mobile, without having to use internet, 3 g, wifi, etc