Enhanced Features
LEDs for Power, Ready, Status, WAN, PC, GSM
Call forward from GSM to VoIP and VoIP to GSM
Dial in mode or dial out mode only
Dial Plan
Password protection for both GSM dial in or dial out
Retransmit GSM Caller ID to VoIP terminal
Dynamic selection of codecs
Advanced jitter buffer
Automatic traversal of NAT and firewall
VLAN / Qos
Echo cancellation for Speakerphone
Comfort noise generation (CNG)
Voice activity detection (VAD)
Auto provisioning (requires auto provisioning server)
Firmware upgrade from GUI
Supported Standards
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 (STUN) - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
RFC 3892 - SIP Referred-By Mechanism
Proprietary Firewall-Pass-Through Technology
Codec: G.711 (A/µ law), G.729A/B, G.723.1
DTMF: RFC 2833, In-band DTMF, SIP INFO
Web-base Management
PPP over Ethernet (PPPoE)
PPP Authentication Protocol (PAP)
Internet Control Message Protocol (ICMP)
TFTP Client
Hyper Text Transfer Protocol (HTTP)
Dynamic Host Configuration Protocol (DHCP)
Domain Name System (DNS)
User account authentication using MD5
Hardware Specifications
Processor: ARM9E 133MHz
DSP: VPDSP101 95MHz
Memory: RAM 8MB/ Flash 4MB
GSM Module: Type: 850MHz, 900MHz, 1800MHz, 1900MHz
Power: Input AC100V ~ 240V, output 12 Vdc 500 mA
Power consumption: 3W maximum
Operating temperature: 10＜C to 40＜C (32＜F to 104＜F)
Storage temperature: 0＜C to 50＜C (32＜F to 122＜F)
Working Humidity: 40% ~ 90% Not congealed
Weight: 0.45kg (Including AC/DC Adapter)
Size:167mm (W) x 215mm (L) x 53mm (H)
Power:12 V 500mA .
Warranty: 1 year
