goip gateway, gsm gateway, call terminal, goip 32,sim server

Descripción del producto

Basic 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

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

Hardware Specifications
*-Processor: ARM9E **3MHz
*-DSP: VPDSP**1 **6MHz
*-Memory: RAM *6MB/ Flash 4MB
*-GSM Module: Type: **0MHz, **0MHz, ***0MHz, ***0MHz
*-Power: Input AC**0V ~ **0V, output DC*2V/2A ***0%
*-Power consumption: *2W maximum
*-Network card: **0/*0Base-T x2
*-LED: Operation and lines light
*-GSM Passway:*2

*-Operating temperature: *0°C to *0°C (*2°F to **4°F)
*-Storage temperature: 0°C to *0°C (*2°F to **2°F)
*-Working Humidity: *0% ~ *0% Not congealed
*-Weight: ***3 g (1 lb) (Including AC/DC Adapter)
*-Warranty: one year

Supported Standards
*-ITU: H.**3 V4, H.**5, H.**5, H.**5, H.**0
*-RFC ***9 - RTP/RTCP
*-RFC ***7 SDP
*-RFC ***3 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
*-RFC ***6 SIP INFO Method
*-RFC ***1 SIP
*-RFC ***4 Offer/Answer model with SDP
*-RFC ***5 SIP REFER Method
*-RFC ***2 A Message Summary and Message Waiting Indicator
*-RFC ***9 Simple Traversal of User Datagram Protocol (UDP) Through Network Address *-Translators (NATs)
*-RFC ***1 SIP Replaces Header
*-RFC ***2 SIP Referred-By Mechanism
*-draft-ietf-sipping-cc-transfer**4 Session Initiation Protocol Call Control - Transfer
*-Codec: G.**1 (A/µ law), G.**9A/B, G.**3.1
*-DTMF: RFC ***3, In-band DTMF, SIP INFO