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GOIP 4( sip and H.323) , 4 channel voip gsm gateway/ goip voip gateway call termination for PBX, Asterisk
Price:
$473
Quantity Order:
Origin:
China
Payment Method:
Telegraphic Transfer (T/T)
Pack. & Delivery:
10 pieces / carton 43*38*34cm/carton
Overview
GOIP_4 is a 4 SIM Card Broadband Phone Gateway that had been developed by Skyline Co. GOIP_4 SIM Card Broadband Phone Gateway is a new product that connect the GSM and the VOIP seamlessly. To GOIP_4 what is installed on the Mobile SIM Card, you can register the GSM telephone on the VOIP Softswitch.SIP and H.323 agreement are built in the GOIP_4 and configured flexible. Caller ID can be seen by using SIP. Flexible routing can meet the need of all kinds of call forwarding; even more special is that GOIP_4 support multi-device group, it can be easily combined into arbitrary number of channels of Large Gateway Group.
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 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
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