Users: 20 • Max Concurrent Calls: 10 • Max Analog Ports: 4 • Max BRI Ports: 4 • Max Cellular Ports: 1 • VoIP Trunks: 20 • Protocol: SIP (RFC3261), IAX2 • Transport Protocol: UDP, TCP, TLS, SRTP • Codec: G.711 (alaw/ulaw), G.722, G.726, G.729A, GSM, Speex, ADPCM, iLBC, H.263, H.263P, H.264, MPEG4 • DTMF: In-band, RFC4733, RFC2833, SIP INFO • LAN: 1 x 10/100 Mbps • WAN: 1 x 10/100 Mbps • IP Services: Static IP, DHCP, VPN, Firewall, VLAN, DDNS, PPPoE, QoS, Static NAT,STUN • Voicemail: 5000 min (expandable) • Firewall: Yes • T.38 Fax: Yes • App Center: Yes • External Storage: TF card • Power: DC 12V 1A • Size: 16 x 16 x 3 cm (6.3 x 6.3 x 1.18 ") • Weight: 0.3 kg (0.66 lbs) • Power Consumption: 1.8 to 10.6 W • Environment: Operation Temperature: 0 to 40°C (32 to 104°F) Storage Temperature: -20 to 65°C (-4 to 149°F) Humidity: 10 to 90% non-condensing • Mounting: Desktop and Wall-Mount | Attended Transfer Blacklist Blind Transfer BLF Support Call Back Call Detail Records Call Forwarding Call Pickup Call Routing Call Waiting Caller ID Conference Define Business Hours Dial by Name DISA (Direct Inward System Access) Distinctive Ringtone DNIS Do Not Disturb Fax to Email Firewall Follow me IP Blacklist LDAP IVR (Interactive Voice Response) Intercom/Zone Intercom Mobility Extension Music on Hold Paging/Zone Paging Phone Provisioning PIN User Queue Ring Group Skype Integration Speed Dial Spy Functions Three-way Calling Video Calls Voicemail Voicemail to email Web-based control panel |