 | Data networking: |
| MAC address (IEEE 802.3) |
| IPv4 (RFC 791) upgradeable to v6 (RFC 1883) |
| Address Resolution Protocol (ARP) |
| DNS A record (RFC 1706), SRV record (RFC 2782) |
| Dynamic Host Configuration Protocol (DHCP) client (RFC 2131) |
| DHCP server (RFC 2131) |
| Point-to-Point Protocol over Ethernet (PPoE) client (RFC 2516) |
| Internet Control Message Protocol (ICMP) (RFC 792) |
| TCP (RFC 793) |
| User Datagram Protocol (UDP( (RFC 768) |
| Real Time Protocol (RTP) (RFC 1889, 1890) |
| Real Time Control Protocol (RTCP) (RFC 1889) |
| Differentiated Services (DiffServ) (RFC 2475), type of service (ToS) (RFC 791, 1349) |
| VLAN tagging 802.1p |
| Simple Network Time Protocol (SNTP) (RFC 2030) |
| Upload data rate limiting - static and automatic |
| Quality of service (QoS) - voice packet prioritization over other packet types |
| Router or bridge mode of operation |
| MAC address cloning |
| Port forwarding |
| Voice gateway: |
| Session Initiation Protocol (SIP) v2 (RFC 3261, 3262, 3263, 3264) |
| SIP proxy redundancy - dynamic via DNS SRV, A records |
| Reregistration with primary SIP proxy server |
| SIP support in Network Address Translation (NAT) networks (including Serial Tunnel [STUN]) |
| Secure (encrypted) calling via prestandard implementation of Secure RTP |
| Codec name assignment |
| Voice algorithms: |
| G.711 (A-law and µ-law) |
| G.726 (16/24/32/40 kbps) |
| G.729 A |
| G.723.1 (6.3 kbps, 5.3 kbps) |
| Dynamic payload |
| Adjustable audio frames per packet |
| Fax capability: |
| Fax tone detection and pass-through (using G.711) |
| Fax pass-though (using G.711) |
| Dual-tone multifrequency (DTMF): in-band and out-of-band (RFC 2833) (SIP info) |
| Flexible dial plan support with interdigit timers and IP dialing |
| Call progress tone generation |
| Jitter buffer - adaptive |
| Frame loss concealment |
| Full-duplex audio |
| Echo cancellation (G.165/G.168) |
| Voice activity detection (VAD) with silence suppression |
| Attenuation/gain adjustments |
| Flash hook timer |
| Message waiting indicator (MWI) tones |
| Visual MWI (VMWI) via frequency shift keying (FSK) |
| Polarity control |
| Hook flash event signaling |
| Caller ID generation (name and number) - Bellcore, DTMF, European Telecommunications Standards Institute (ETSI) |
| Music on hold client |
| Streaming audio server - up to 10 sessions |
| Security: |
| Password-protected system reset to factory default |
| Password-protected administrator and user access authority |
| Provisioning/configuration/authentication: |
| HTTPS with factory-installed client certificate |
| HTTP digest - encrypted authentication via MD5 (RFC 1321) |
| Up to 256-bit Advanced Encryption Standard (AES) encryption |
| Provisioning, administration, and maintenance: |
| Web browser administration and configuration via integrated web server |
| Telephone keypad configuration with interactive voice prompts |
| Automated provisioning and upgrade via HTTP, Trivial File Transfer Protocol (TFTP) |
| Asynchronous notification of upgrade availability via SIP NOTIFY |
| Nonintrusive, in-service upgrades |
| Report generation and event logging |
| Stats in BYE message |
| Syslog and debug server records - per-line configurable |
| Per line and purpose configurable syslog and debug options |
| Physical interfaces: |
| Two 100BASE-T RJ-45 Ethernet ports (IEEE 802.3) - 1 WAN, 1 LAN |
| 1 RJ-11 FXS phone port - for analog circuit telephone device (tip/ring) |
| 1 RJ-11 FXO phone port - for a Telco or PBX connection |
| FXS: Ring voltage: 40-55 VRMs configurable |
| Subscriber line interface circuit (SLIC): |
| Ring frequency: 10-40 Hz |
| Ring waveform: trapezoidal and sinusoidal |
| Maximum ringer load: 3 ringer equivalence numbers (RENs) |
| On-hook/off-hook characteristics: |
| On-hook voltage (tip/ring): -50V nominal |
| Off-hook current: 25 mA min |
| Terminating impedance: 8 configurable settings including North America 600 ohms, European CTR21 |
| Regulatory compliance: FCC (Part 15 Class B), CE, ICES-003, A-Tick certification, RoHS |
| Power supply: |
| DC input voltage: +5V DC at 2.0A max |
| Power consumption: 5W |
| Switching type (100-240V) automatic |
| Power adapter: 100-240V, 50-60 Hz (26-34 VA) AC input |
| Indicator lights/LEDs: Power, Internet, Phone 1, Phone 2 |
| Documentation: |
| Quick installation, user, and configuration guides |
| Administration guide - service providers only |
| Provisioning guide - service providers only |
| Dimensions: 3.98 x 3.98 x 1.10 in. (101 x 101 x 28 mm) |
| Unit weight: 5.11 oz. (0.145 kg) |
| Operating temperature: 32º to 113º F (0º to 45º C) |
| Storage temperature: -13º to 185º F (-25º to 85º C) |
| Operating humidity: 10% to 90% noncondensing, operating and nonoperating |
| Product Warranty: 1-year limited hardware warranty with return to factory replacement and 90-day limited software warranty |
