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IMEI Change:4 Channel Wireless VoIP GSM Gateway/SIP&H.323

FOB Price: US $473.84 - 473.85 / Unit Get Latest Price
Min.Order Quantity: 1 Unit/Units
Supply Ability: 10000 Unit/Units per Month
Port: shenzhen
Payment Terms: T/T,Western Union,Paypal
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Quick Details

Place of Origin:
Guangdong China (Mainland)
Brand Name:
DBL
Model Number:
GoIP-4
Type:
VoIP Gateway
Build in::
SIP2.0&H.323
Input::
110/220VAC
Output::
12VDC, 2A
weight:
0.86kg
offer:
1 x Ethernet Cable
feature:
NAT broadband routing function
warranty:
one year

Packaging & Delivery

Packaging Detail: Packing Box Dimension:35.5*21,5*7cm/box G.W:0.86kg, 10 pcs / carton Carton Dimension:43.5*37.5*34.5cm/carton G.W:9.5kg
Delivery Detail: three days

Specifications

Wireless GSM Gateway
1.Voice coding and voice digital signal processor
2.Built in Relay encryption
3.VLAN and QoS support

 

IMEI Change:4 Channel Wireless VoIP GSM Gateway

GOIP_4 is a 4 SIM Card Broadband Phone Gateway that had been developed by DBL Co.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.

4 Channels GSM Gateway (GoIP 4) 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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DBL Technology Limited is a leading manufacturer in developing and manufacturing advanced VoIP products for worldwide markets. DBL has been dedicated to the development of the latest VoIP technology for 16 years and has developed a wide range of IP Phones and Gateways. DBL is committed to offering high quality, innovative and affordable products.

DBL's VoIP products are fully compatible with industrial H.323 and SIP standards. They have been tested extensively for compatibility with ... View detail

Basic Information

Product/Service (We Sell): VoIP Gateway  
Number of Employees: 11 - 50 People  

Trade & Market

Main Markets: North America
South America
Eastern Europe
Southeast Asia
Africa
Oceania
Mid East
Eastern Asia
Western Europe
Central America
South Asia
Total Annual Sales Volume: Below US$1 Million  
Export Percentage: 81% - 90%  

Factory Information

Factory Size (Sq.meters): 1,000-3,000 square meters  
Factory Location: 2/F, A Tower, Zhanpeng Enterprises Company, East Of Chuangye Road, Xinan Street, Baoan District, Shenzhen City, Guangdong Province, China  
Number of Production Lines: Above 10  
Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 11 - 20 People  
Contract Manufacturing: OEM Service Offered   Buyer Label Offered  

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Verified Supplier - DBL Technology Limited
China (Mainland) | Contact Details
Experience: Established 1996 , 15 years OEM

Communicate with Supplier:

Ms. kerolin xiang
Ms. kerolin xiang:
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