|
Maximum Analog PSTN Lines |
• 8 |
Maximum Extensions |
• 50 |
| |
Line Interface |
• 1 Module with 4 FXO ports
• 1expansion slot for additional 4 FXO ports
• Loop start analog lines
• RJ11 connector (1 pair)
|
LAN Interface |
• 10/100/1000 Mbps auto-sensing
• 1 RJ45 Connector |
USB |
• 3 USB ports for future expansion
• USB 2.0/1.1 compliant |
Audio Port |
• 1 line out jack for external PA system
• 1 line in jack for future expansion |
On-box Management |
• 2 × 16 characters, 5 x7 dot LCD
• 4 way/Enter button for selecting option
• IP button for checking IP address
• Reset button to restart the DOS-A50
• Tri-color LED for system status checking |
Event Log |
• Ease of troubleshooting/administration |
|
|
• SIP 2.0 (RFC-3261)
• RTP (Transfer Protocol) |
|
• VAD (Voice Activity Detection)
• CNG (Comfortable Noise Generation)
• Line echo cancellation (G.168)
• Adaptive Jitter Buffer Management
• G.711 (u-law) |
|
• Bellcore/DTMF |
|
|
• Up to 8 concurrent calls processed by auto attendant
• Speech recognition, including nickname
• Automated answers to frequently asked questions such as location, hours of
operation, and FAX number
• Contact directory |
|
• Built-in voicemail system
• Voice mail messaging forwarding to E-mail
• Approximately 100 hours voicemail storage |
|
• Import contacts from Microsoft Outlook
• Voice dialing to contacts imported from Microsoft Outlook |
|
• Customize personal settings
• Screen pop-ups display caller ID name and number or Outlook contact look up
• Call forward settings user management |
|
• Seamless setup and administration
• Phone auto discovery and provisioning
• Set up Wizards for ease of configuration |
|
• Specified number by caller ID authentication and password protected external
access to user phones |
|
• Bypass receptionist function for specific outside calls to specific station |
All Call Ringing for Groups
|
• Ring all phones in a particular department |
|
• Plug and play telephone line support
• Reserve specific lines for incoming calls only |
Security Gateway (Optional)
|
WAN Interface |
• 10/100 Mbps auto-sensing
• 1 RJ45 connector |
Features |
• DHCP server with NAT
• Static/PPPoE/DHCP for broadband type selection
• Support up to 20 VPN connections (PPTP/IPsec)
• Firewall to protect your network from Internet attacks
• QoS bandwidth for voice traffic |
|
|
• External power adapter
• Voltage: 100VAC~240VAC
• Frequency: 50/60Hz |
|
• 12˝ x 10˝ x 3 ½ ˝ ( 315.84m m * 249.40m m * 91.36m m) |
|
• Desktop/Upright/Wall mounted |
|
|
• 32°F to 104°F ( 0°C to 40°C ) |
|
• -67°F to 158°F ( -55°C to 70°C ) |
|
• 90 to 95% RH at 104°F ( 4 0°C ), non-condensing |
|
• 90 to 95% RH at 104°F ( 4 0°C ), non-condensing |
|
|
• FCC part 15 Class A |
|
• FCC part 68 |
|
• cUL |
