Single Or Multiple Server GSM FXS Gateway For Making GSM Calls - GS-1
Single Or Multiple Server GSM FXS Gateway For Making GSM Calls For Sale, Most Competitive Price, Fast Delivery, Custom Service, Wholesale Single Or Multiple Server GSM FXS Gateway For Making GSM Calls, Made in China, High Quality Products!, China cheap prodocuts, china suppliers Supplier, Manufacturer.
Single Or Multiple Server GSM FXS Gateway For Making GSM Calls
Quick detail:
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# Brand name: DBL
# Model Number: GS-1
# type: VoIP? Gateway
# Protocol: SIP & H.323
# Support: voip, gsm
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Description:
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GS-1 is a GoIP-1 with one FXS port VoIP Gateway , it bridges the GSM,Analog telephone,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. Low price, perfect sound quality and powerful function make GoIP GSM inevitable choice of system Integrators, traffic Business and soft switch Manufacturers.
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Application
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From VoIP to PSTN
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2, PSTNàGoIPàPSTN( without long distance charge.)
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Competitive Advantage:
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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
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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
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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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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: 0.42 KG (Including AC/DC Adapter)
Size: 21.4*16.8*5.5cm
Power: Input 100-240V~50/60HZ 0.4A Max???
???????????? Output:12V-1A
Warranty: one year
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Shandong Luda Packing Co.,Ltd
Address: Room No.1302,Huangtai E-commerce industrial park,Lishan North Road,TianQiao District,Jinan City,Shandong Province,China, Jinan, Shandong, China, 250000
Tel: 86-531-88771161
Founded in 2000 and in Jinan City,Shandong Luda Packaging Co., Ltd(LDPAC)has established factories and raw materials bases in Jinan,Qingdao,Rizhao and Heze of Shandong Province,and in Daxinganling of Heilongjiang Province.In addition,a nationwide operation network and management centers of recycling packaging have been established in Jinan,Qingdao,Taiyuan,Shenyang,Huhehaote and Shanghai.
LDPAC,the collection of scientific research, production, sales and export,specializes in packaging products,which include pallet,wooden box,steel side box,carton and PE stretch film,packing belt,etc.LDPAC is the pallet professional committee of China federation of logistics and purchasing director unit, Shandong warehousing association member units, Shandong export on their own inspection unit.With 15 years of production experience, Having the most professional technical team and sales team, taking the lead in the industry, since its establishment, always adhere to the product of high quality, high standard, strict, for the core competitiveness of the enterprise survival.
