Basic Features
- Two RJ-11 FXS ports for traditional phone sets or PBX's trunk lines
- One RJ-11 port for connection to PSTN line (Bypass function only)
- LEDs for Power, Ready, Status, WAN, PC, FXS ports
- Call Forward, Call Hold, Call Transfer
- Dial Plan
- Caller ID
Enhanced Features
- Dynamic selection of codec
- Advanced jitter buffer
- Automatic traversal of NAT and firewall
- VLAN / Qos
- Router
- Echo cancellation for Speakerphone
- Comfort noise generation (CNG)
- Voice activity detection (VAD)
- Auto provisioning (requires auto provisioning server)
- On line firmware upgrade
- Multi-language support: English and Chinese
Supported Standards
- ITU: H.323 V4, H.225, H.235, H.245, H.450
- RFC 1889 - RTP/RTCP
- RFC 2327 – SDP
- RFC 2833 – RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
- RFC 2976 – SIP INFO Method
- RFC 3261 – SIP
- RFC 3264 – Offer/Answer model with SDP
- RFC 3515 – SIP REFER Method
- RFC 3842 – A Message Summary and Message Waiting Indicator
- RFC 3489 – Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
- RFC 3891 – SIP “Replaces” Header
- RFC 3892 – SIP Referred-By Mechanism
- draft-ietf-sipping-cc-transfer-04 – Session Initiation Protocol Call Control - Transfer
- Codec: G.711 (A/µ law), G.729A/B, G.723.1
- DTMF: RFC 2833, In-band DTMF, SIP INFO
Physical and Environmental
Operating temperature: 10°C to 40°C (50°F to 104°F)
Storage temperature: 0°C to 50°C (32°F to 122°F)
Weight: 1.9 kg (4.2 lb) (Including AC/DC Adapter)
Size: mm (W) x mm (L) x mm (H) ( ” x ” x ”)
Power: 24 Vdc 500 mA (AC/DC adapter included)
Safety:
Emissions:
Immunity:
Other Approval:
Warranty: one year
|
