Home page: http://www.dinstar.com
Headquarters: Shenzhen, China
E-Mail: support@dinstar.com / sales@dinstar.com
Telephone: +86 755 26456664


Dinstar Technologies Co. Ltd. is an industry leading manufacturer specializing in VoIP solutions and IP voice value-added services. Since its establishment 10 years ago, Dinstar has grown to occupy 80% of the ISP VoIP market in China, with annual revenues of around $20M USD. Dinstar has a professional, high-quality R&D team experienced in telecoms networks, data communication, mobile communication, and network integration. The product range includes E1/T1 gateways, VoIP GSM/CDMA gateways, access gateways, softswitches, IP phones, billing systems, and VoIP value-add solutions, which are feature rich and highly compatible.

Dinstar's VoIP systems provide broadband voice application services and complete softswitch voice access system solutions to major operators including China Mobile, China Unicom and China Telecom. Through the deployment of Dinstar products, voice-based value-added services are being offered to a number of enterprises and governmental departments, as well as residential customers. Dinstar is dedicated to making use of innovative technology and excellent service to provide its customers with outstanding products that exceed their expectations.

Dinstar DWG2001/4/8 /16GSM/CDMA/HSPA VoIP Gateways

More calls than ever are being made/received using mobile phones, especially with the explosion of Smartphone's and flexible/home working. The DWG2001/4/8 SIP/GSM Gateways from Dinstar are a cost-effective SIP/GSM gateway for SOHO, SMEs and system integrators. The Dinstar GSM/VoIP gateways allow a SIP based IP PBX telephone system or VoIP line to be connected directly to the GSM cellular network, which can dramatically lower the cost of mobile calls by taking advantage of lower mobile-to-mobile tariffs. The DWG gateways are Quad-band GSM VoIP gateway that support 1-8 GSM channels / SIM cards. The DWG gateways are fully compatible with Asterisk® based IP PBXs like Elastix®, trixbox®, and AsteriskNOW®, as well as other Open Source and proprietary SIP based IP PBXs, Switch, IVR, and VoIP gateway applications.


  • SIP/GSM gateway for SIP based IP PBX (e.g. Asterisk®) or VoIP line
  • Back up solution in case of a PSTN/VoIP failure
  • Mobile IP PBX (e.g. for trade shows, temporary offices, disaster recovery, etc.)
  • SMS gateway for batch sending/receiving text messages (e.g. appointment reminders, customer order updates, remote/field worker communications, etc.)
  • GSM callback services


  • Voice codecs supported include G.723.1, G.729A/B, G.711 (a-law and u-law)
  • Support for Fixed IP, DHCP, Automated NAT traversal using IETF STUN
  • Protocols supported include SIP RFC3261, TCP/UDP/IP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP, NTP, TELNET, PPPoE, STUN
  • Quad-Band GSM 850/900/1800/1900 MHz
  • CDMA 450/800MHz
  • Send/receive batch SMS up to 300 characters, support for AT commands
  • Unstructured Supplementary Services Data (USSD) support
  • Adjustable TX/RX gain: -6db~+6db
  • Offhook Auto-Dial Hotline service
  • Built-in PPPoE client for establishing DSL link connection with ISP
  • DTMF Signaling via RFC 2833 or SIP Info
  • LEDs provide operational status information
  • Support for external antenna
  • PIN support for locked SIM cards
  • Enhanced (Carrier Grade) Echo Cancellation: ITU Rec. G 168, up to 128 ms tail size
  • Adaptive Jitter Buffer, Packet loss concealment (PLC), Comfort noise generation (CNG) ,Voice activity detection (VAD)
  • HTTP Web configuration support, Auto Provisioning support
  • Certificates: CE, FCC, ROHS


DWG2000 - 1 Channel VoIP GSM Gateway

  • 1 External hot-plug SIM card slot for easy access
  • LAN interface: 1 x RJ45 10/100Mbps autosensing
  • WAN interface: 1 x RJ45 10/100Mbps autosensing
  • Weight: Gateway only - 0.75kg, Package as shipped - 1.0kg
  • Dimensions (L x W x H): 113mm x 77.5mm x 24.5mm
  • Universal Switching Power Adaptor: Input: 100-240VAC; 50-60 Hz, Output: 12VDC, 1000mA
  • Power Consumption: 5W

DWG2000 - 4 Channel VoIP GSM Gateway

  • Rack mountable 1U chassis
  • 4 hot-plug SIM card slots with external cover for easy access
  • LAN interface: 3 x RJ45 10/100Mbps autosensing
  • WAN interface: 1 x RJ45 10/100Mbps autosensing
  • Weight: Gateway only - 6.2Kg, Package as shipped 7.0Kg
  • Dimensions (W x D x H): 440mm x 380mm x 44.5mm
  • Power: 100-240VAC; 50-60 Hz
  • Power Consumption: 30W

DWG2000 - 8 Channel VoIP GSM Gateway

  • Rack mountable 1U chassis
  • 8 hot-plug SIM card slots with external cover for easy access
  • LAN interface: 3 x RJ45 10/100Mbps autosensing
  • WAN interface: 1 x RJ45 10/100Mbps autosensing
  • Weight: Gateway only - 6.2Kg, Package as shipped 7.0Kg
  • Dimensions (W x D x H): 440mm x 380mm x 44.5mm
  • Power: 100-240VAC; 50-60 Hz
  • Power Consumption: 30W

Other Products

  • MTGXXX: Digital trunking gateway with support for SIP, H.323, and SS7 protocols, large-capacity carrier class telephone trunking gateway functions.
  • DAGX000: FXS/FXO analog gateway based on the SIP2.0 standard.

Setup wth Asterisk/elastix/3CX/Freeswitch

  • How to setup elastix with DWG GSM/CDMA, please refer this: http://www.dinstar.com/_upload/down/2011-05-17/DWG_with_elastix.rar
  • How to setup elastix/asterisk with DAG, FXO/FXS, please refer this: http://www.dinstar.com/_upload/down/2011-04-13/DAG_with_elastix.rar
  • How to setup 3CX with DAG, FXO/FXS gateway, please refer this: http://www.dinstar.com/_upload/down/2011-05-05/DAG-3CX.rar
  • How to setup freeswitch with Dinstar DWG GSM/CDMA gateway, please refer this: http://www.dinstar.com/_upload/down/2011-06-14/DWG_with_FreeSwitch.rar
  • How to setup freeswitch with Dinstar DAG, FXS/FXO VoIP gateway, please refer this: http://www.dinstar.com/_upload/down/2011-06-14/DAG_FXO_with_FreeSwitch.rar

Recent Awards

2011 Internet Telephony Product of the Year Award: Dinstar was awarded Product of the Year by Technology Marketing Company (TMC), publisher of Internet Telephony magazine
2009 China IP Communications Award - Best Softswitch: Dinstar NGN Softswitch was awarded "The Best Softswitch" by China IP Communications
2008 China IP Communications Award - Best Voice Gateway: Dinstar Access Gateway series was awarded "The Best Voice Gateway" by China IP Communications
2007 IP Communications Industry in China - Best Softswitch System: Dinstar DSX NGN softswitch was awarded "The Best Softswitch System Supplier" by IP Communications Industry in China
2006 IP Communications Industry in China - Best Customer Care Solution: Dinstar was awarded "The Best Customer Care Solution Supplier" by IP Communications Industry in China

Where to Buy

Listed alphabetically in country/region (then company name) order:

Listed alphabetically in company name order:


Middle East, UAE, Iran
ارائه دهنده سیستم های مدرن تلفنی و ارتباطی، تلفن گویا، نرم افزار مدیریت ارتباط با مشتری، مرکز تماس و سرور فکس در ایران
Tel: +98 21 88209229
E-mail: sales@cytco.net
Website: www.cytco.net


AR, Latam
E-mail: dinstar.ar@gmail.com
Website: www.dinstar.com.ar


Germany, Worldwide
VoIPDistri.com European VoIP Distribution
Tel: +49 (0)5201 730030
Email: info@voipdistri.com
Website: www.voipdistri.com


UK, Worldwide
Tel: +44 (0)1904 500155
Email: sales@novavox.co.uk
Website: www.novavox.co.uk


US, Worlwide
Toll free: 1-855-777-2239
E-mail: sales@voipbaez.com
Website: www.voipbaez.com


UK, Worlwide
Tel: +44 (0)1245 808195
E-mail: sales@voipon.co.uk
Website: www.voipon.co.uk
Created by: ipconvergence, Last modification: Tue 22 of Apr, 2014 (07:28 UTC) by roydinstar
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