CooVox-U20

Up to 15 Concurrent Calls

Up to 20 Conferences

Up to 30 IP Phone Registers/Extensions

Recording: 36,000 mins (.gsm); 4,000 mins (.wav)

Voicemail: 36,000 mins (.gsm); 4,000 mins (.wav)

Codecs & Protocols 

Audio Codecs: G.722/G.711-Ulaw/G.711-Alaw/ G.726/G.729/GSM/SPEEX
Video Codecs: H.261/H.263/H.263+/H.264
Protocols: SIP (RFC3261)/IAX2
DTMF: RFC2833/SIP INFO/In-Band 

Network Features

DDNS Client
DHCP Server
IPv4/IPv6/IEEE802.1Q
IP Assignment (PPPoE/DHCP/Static)
SNMP v1/v2
TR069
Static Route Table
Trouble Shooting (Ping/Traceroute)
VPN Client (N2N/L2TP/PPTP/OpenVPN/IPSec)
VPN Server (PPTP/L2TP/OpenVPN/IPSec) 

Security Features

Refuse SIP Register DoS
Refuse Abort Invite DoS
Refuse SSH Login DoS 

Logs

PBX Log
Web Access Log
PBX Debug Log

Interface

1 Reset Button
1 Power Interface
1 Ethernet Interface
2 Analog Ports (FXO/FXS) ou 2 BRI (T0)
1 USB 2.0 Interface for Storage
1 Console Port 

Hardware

System