| 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 |
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| Ports | Two 100BASE-T RJ-45 Ethernet ports (IEEE 802.3)
RJ-11 FXS phone ports-for analog circuit telephone device (tip/ring) |
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| LEDs | Power, Internet, Phone 1, Phone 2 |
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| Power | Switching type (100–240V) automatic
DC input voltage: +5V DC at 2.0A maximum
Power consumption: 5W
Power adapter: 100–240V, 50–60 Hz (26–34VA) AC input, 1.8-m cord |
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| Dimensions | 3.98" x 3.98" x 1.10" |
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| Weight | 0.33 lbs. |
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| Temperature | Operating temperature: 32º~113ºF (0º~45ºC)
Storage temperature: -13º~185ºF (-25º~85ºC) |
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| Humidity | Operating humidity: 10%~90% noncondensing
Storage humidity: 10%~90% noncondensing |
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| Specifications | Data networking
- 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])
- Highly secure (encrypted) calling via prestandard implementation of Secure RTP
Voice algorithms
- Codec name assignment
- 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
Voice specifications
- 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 message waiting indicator (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
Fax capability
- Fax tone detection pass-through
- Fax: G.711 pass-through or real-time fax over IP via T.38 (T.38 support is dependent on fax machine and network/transport resilience.) |
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