Linksys SPA9000 (VoIP Gateway) aangeboden

niet meer in gebruik vanwege andere toestellen.


Productspecificaties o.a.
• 2 10baseT RJ-45 Ethernet Port (IEEE 802.3) -- 1 WAN, 1 LAN
• 2 RJ-11 FXS Phone Ports - voor analoge telefoons / faxen (Tip/Ring)
• model: SPA9000
• MAC Address (IEEE 802.3)
• IPv4 - Internet Protocol v4 (RFC 791) upgradeable to v6 (RFC 1883)
• ARP - Address Resolution Protocol
• DNS - A Record (RFC 1706), SRV Record (RFC 2782)
• DHCP Client - Dynamic Host Configuration Protocol (RFC 2131)
• DHCP Server - Dynamic Host Configuration Protocol (RFC 2131)
• PPoE Client - Point to Point Protocol over Ethernet (RFC 2516)
• ICMP - Internet Control Message Protocol (RFC792)
• TCP - Transmission Control Protocol (RFC793)
• UDP - User Datagram Protocol (RFC768)
• RTP - Real Time Protocol (RFC 1889) (RFC 1890)
• RTCP - Real Time Control Protocol (RFC 1889)
• DiffServ (RFC 2475), Type of Service - TOS (RFC 791/1349)
• VLAN Tagging - 802.1p/q
• SNTP - Simple Network Time Protocol (RFC 2030)
• Upload Data Rate Limiting - Static and Automatic
• QoS - Voice Packet Prioritization over Other Packet Types
• Router or Bridge Mode of Operation
• MAC Address Cloning
• Port Forwarding
• SIPv2 - Session Initiation Protocol Version 2 (RFC 3261, 3262, 3263, 3264)
• SIP Proxy Redundancy - Dynamic via DNS SRV, A Records Re-registration with Primary SIP Proxy Server
• SIP Support in Network Address Translation Networks - NAT (incl. STUN)
• Secure (Encrypted) Calling via Pre-Standard Implementation of Secure RTP
• Codec Name Assignment
• Voice Algorithms:
- G.711 (A-law and mμ-law)
- G.726 (16/24/32/40 kbps)
- G.729 A
- G.723.1 (6.3 kbps, 5.3 kbps)
• Dynamic Payload Support
• Adjustable Audio Frames Per Packet
• DTMF: In-band & Out-of-Band (RFC 2833) (SIP INFO)
• Flexible Dial Plan Support with Inter- Digit Timers
• IP Address / URI Dialing Support
• Call Progress Tone Generation
• Jitter Buffer - Adaptive
• Frame Loss Concealment
• VAD - Voice Activity Detection w/ Silence Suppression
• Attenuation / Gain Adjustments
• MWI - Message Waiting Indicator Tones
• VMWI - Via NOTIFY, SUBSCRIBE
• Caller ID Support (Name & Number)
• Web Browser Administration & Configuration via Integral Web Server
• Telephone Key Pad Configuration of Select Networking Parameters via IVR
• Automated Provisioning & Upgrade via HTTPS, HTTP, TFTP
• Asynchronous Notification of Upgrade Availability via NOTIFY
• Non-intrusive, In-Service Upgrades
• Report Generation & Event Logging
• Stats in BYE Message
• Syslog & Debug Server Records - Per Line Configurable
• Ring Voltage: 40-55 VRMS Configurable
• Ring Frequency: 10 Hz - 40 Hz
• Ring Waveform: Trapezoidal and Sinusoidal
• Maximum Ringer Load: 3 REN
• On-hook/off-hook Characteristics: On-hook voltage (tip/ring): -50 V NOMINAL, Off-hook
• current: 25 mA min, Terminating Impedance: 8 Configurable Settings
• including North America 600 ohms, European CTR21Switching Type (100-240v) Automatic