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Gsm Voip Gateway 4 Ports For Call Terminal

(1.3)
Supplier From China
Jun-06-12

4-channel gsm voip gateway,Goip-4
The 4-channel GSM VoIP Gateway/GoIP-4 bridges the GSM and the IP networks by enabling voice communications. It is ideal for VoIP to Local termination where a fixed telephone line (PSTN) is not available or for cellphone roaming via the a VoIP network. Significant savings on long distance charges can be realized.

Key Features :
- Open Standard VoIP Protocols (ITU H. 323 V4 and IETF SIP V2)
-Single or Multiple Server Registrations
-Two 10/100 Ethernet circuits connect to the LAN and an additional device
-GSM module for making GSM calls
-Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer VLAN and QoS support
-NAT Transversal and Router functions
-Voice prompts, HTTP Web, Auto Provision support for configuration and updates
-Highly stable embedded Linux operating system in high performance ARM 9 Processor

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

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 -AddressTranslators (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 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: 500 g (1 lb) (Including AC/DC Adapter)
-Size: 105 mm (W) x 100 mm (L) x 28 mm (H) (Width x Length x Heigth
-Power: 12 Vdc 500 mA (AC/DC adapter included).



Siae:36*21*7 Weight:1KG.

Price and Minimum Quantity

Price: $1 - $473.84
MOQ: Not Specified
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(1.3)
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MOQ: Not Specified
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Supplier From Georgetown, Penang, Malaysia
Supplier Of Networking & Internet Peripherals
 
GSM Terminal 8 ports for call termination

This product is a GSM to Analog Converter. Once you insert a GSM Chip, the device will produce a FXS line to allow a regular phone to be connected and used just like a local land line except your calls will go out the GSM network. This device can both receive and make calls.

1.Connect the RJ 11FXS line to a VOIP gateway such as Clarent, Cisco, Quintum or Vocaltech.
2.This allows you to send calls from the US to the VOIP gateway which is now connected to the local GSM network. This allows a much cheaper cost that previous methods
3.This product is not a VOIP gateway. It is a GSM Fixed Wireless Terminal that produces a Analog FXS phone line
4.Eliminate the cost of routing calls to and from wireless phone through the PSTN. With the Fixed Wireless Terminal, you can direct outgoing calls to wireless service and route inbound calls from wireless phones through the unit
5.Available in tri band 900 / 1800 / 1900 mhz

Features

òEasy Installation. Just place SIM chip and connect a phone & you're ready to go
òProvides single FXS line per modules
òSet caller ID on and off
òCompatible gain setting with Quintum, Clarent, Cisco and Vocaltech (proven test)
òLow cost way to setup VoIP termination
òSupport answer supervision mode with Reverse Batt / Reverse Polarity Signaling
òSupports GSM 850/900/1800/1900 mhz
òSignal Strength meter with LED
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òAble to show error with Front LED
òPower supply and high antenna gain included
òClear and Neat by using 1 antenna for 4 GSM module
òAuto detection GSM network for 850 / 900 / 1800 /1900mhz
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