Voice Features

• Voice Coding G.711, G.726 (16, 24, 32, 40
  Kbps), G.729A, iLBC (13,33 kbit/s , 15,2
  kbit/s);
  VAD, CNG, G.168 echo cancellation
  G.722 Pass-through
  Point-to-Point HD call

Video Features

• H.263 and H.264 Pass-through
  Point-to-Point video call

PBX Features

• Call blocking, Forwarding, Hold, Transfer
• Call relay, Call waiting, Caller
• ID Detection
• Voice mail
• Call park, Pickup, Paging, Intercom
• Multilevel auto attendant with Interactive
• Voice Response (IVR) and VoiceXMLv2 support
• Voice mail with SMS notification
• Distinctive ringing
• Speed dialing
• Many extension ringing
• Receptionist
• Call hunting, Hiding Caller ID
• Automated Call back from Auto
• Attendant
• Hold music
• Call statistics
• Do Not Disturb
• Global speed dial
• Find me/Follow me
• Unified messaging
• 3-way conferencing
• Hotline service
• T.38 fax, fax relay and clear channel fax
• Unified Fax Messaging
• Busy auto-redial
• Directory assistance
• Dial plans (call routing)
• Time of day routing
• Call Queue
• Voice Mail profile
• Automatic Call Distribution
• Conference Server
• Call Recording
• Barge-in

Supported VoIP Data and Signaling Protocols

• SIP, SIPS/TLS (RFCs: 2246, 3261, 3263,
  3265, 3311, 3323, 3324, 3325, 3428, 3515,
  3578, 3581, 3725, 3842, 3856, 3863, 3891,
  3892, 4028, 4235)
  SDP (RFC: 2327, 4568)
  RTP (RFCs: 1889, 1890, 2833, 3389,
  3550, 3551, 3555, 3711, draft-ietf-avt-rfc-
  2833bis-05, draft-ietf-avt-rtp-ilbc-o5),
  Fax over IP (ITU-T: T4, T30, T38, V17, V21,
  V27 ter, V29)
  Voice Coding (ITU-T: G711, G.726, G729
  Annex A, RFC 3951 :iLBC; IETF;ITU-T Q.23,
  Q.24, Bellcore GR.506, GR.181; ITU-T
  G.168-2000, 2002; ETS_300659_1,2,3)
  ISDN (ITU-T: Q.921, Q.931 (DSS1),
  Q.951;ETSI ETS300 102 (NET5); NTT
  INS1500 for Japan)

POTS

• Loop start, FSK and DTMF Caller ID
  support

DTMF

• In band & out of band signaling support

Physical interfaces

• Premise connections: 26 FXS short-loop FXS ports (RJ-11) 1 LAN Ethernet 10/100 BASE-T port (RJ-45)
• Uplink connections: 1 WAN Ethernet 10/100 BASE-T (RJ45)
• Uplink connections: 6 ISDN BRI ports to the Central Office or local PBX (RJ45), NT and TE modes supported
• Audio port connections: Line-in/Line-out (Line-in Signal Level- 0,5 V RMS, Line-out Load Resistance - 600 Ohm to 10K Ohm)

Phones

• IP phones: 16 SIP phones by default
  64 additional SIP phones may be added
  with feature keys
• All SIP phones can be connected both from LAN or WAN side
• Plug-and-Play with select IP Phone manufactures
• Analog phones: 26 Analog phones (or other analog devices) to connect via FXS ports

Auto Attendants and Virtual Extensions

• Auto Attendants: Up to 200 standard and custom AA can be registered
  Virtual Extensions: Up to 200 Virtual Extensions can be registered*

System Capacity

• Up to 45 simultaneous VoIP calls with external parties
• Unlimited station to station calling for IP phones
• Unlimited station to station calling for analog phones
• 12 ISDN calls with external parties
  *The total number of extensions used for
• IP phones, Analog phones, AA and virtual extensions can not exceed 200 extensions.
• External Storage Compact Flash

Management

• Multilingual WEB interface accessible from LAN and WAN (HTTP/HTTPS)
• Password control
• Remote diagnostics and software upgrade
• Auto-provisioning
  VoIP Carrier Wizard
• Download/restore configuration
• Legible and editable configuration files
• Auto-configuration of IP phones via TFTP and HTTP
• SNMP Monitoring and Configuration
• Third Party Call Control XML RPC
• Reset button with factory reset option
• Custom Language Pack
• Billing Radius Client (RFCS: 2865, 2866)
• Diagnostics/Testing
• LEDs: Busy, Info, Fault, LAN, WAN, Loop
  settings Remote testing

Internet

• STUN/NAT traversal (RFC 3489)
• IPSec VPN with 3DES and AES encryption in tunnel mode. Manual and automatic IKE key support
• PPTP VPN
• L2TP VPN
• Firewall security via: Intrusion Detection SystemNAT (Network Address Translation)
• Policy and service-based filtering
• Stateful inspection firewall
• DHCP server on the LAN side
• DHCP client on the WAN side
• DNS server with forwarding functionality
• SNTP (Simple Network Time Protocol)
  server/client for computer clock synchronization PPPoE connection to the ISP
  with PAP/(MS)CHAP authentication
  IP DIFFSERV for QoS
  Virtual LAN (VLAN/IEEE 802.1Q)
• Mail client to send voice and fax messages as e-mail attachments (.wav and .tif) and system notifications
• DNS (DYNDNS) support with third party
• NAT/Router with port forwarding and port translation.

Physical Dimensions

• Rack-mountable devices: Measurements: 19" x 7.56" x 1.77" (48.0 x 19.2 x 4.5 cm)
• Weight: 2.47 lbs.(1090 g)
• Conditions 41°F - 104°F (5°C - 40°C) operating temperature
• 41°F - 140°F (5°C - 60°C) storage temperature
• 5% - 90% non-condensing humidity
• Power Supply Input 100 - 240 VAC; 50/60 Hz; 0.5 A
• Regulatory Compliance Telecom: TBR3 (ISDN)