Gold Member Since 2010
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Shenzhen DBL Technology Limited

4 Channel Gsm Voip Gateway Gsm Gateway, Gsm Gateway, 4 Channel Gsm Gateway manufacturer / supplier in China, offering 4 Channels GSM Gateway with 4 SIM Card, DBL 1/2/4/8-FXS VoIP Gateway (HT-882), 8 Port/Channel GSM VoIP Gateway with SIP&H. 323 (GoIP8) and so on.

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Supplier Homepage Product VoIP GSM Gateway 4 Channels GSM Gateway with 4 SIM Card

4 Channels GSM Gateway with 4 SIM Card

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 5000PCS/Month
Transport Package: 36(L)Cm*21(W)Cm*7(H)Cm
Payment Terms: T/T, Paypal, Money Gram, Western Union
Basic Info
  • Model NO.: GoIP-4
  • Packing Box Dimension: 35.5*21.5*7 Cm
  • Carton Dimension: 43.5*37.5*34.5cm 10unit/Carton
  • Power: 12 Vdc 2A (AC/DC Adapter Included)
  • Trademark: DBL
  • Origin: China
  • Type: Gateway
  • G. W: 0.86kg
  • G. W. C: 9.5kg
  • Warranty: One Year
  • Specification: 26(L)Cm*16(W)Cm*3(H)Cm
  • HS Code: 8517709000
Product Description



4 Channels GSM Gateway with 4 SIM Card

4 Channels GSM Gateway with 4 SIM Card
4 Channels GSM Gateway with 4 SIM Card
Product Overview

The 16 ports GSM Gateway (GoIP16) provides the extension of GoIP1 and supports up to 16 GSM channels.  Each GSM channel can be programmed individually to establish the connectivity with IP-PBX, or can be bundled as a single trunk in connection with IP-PBX.  It is ideal for VoIP to wireless services where a fixed telephone line (PSTN) is not available or for cellphone roaming via the a VoIP network. The GoIP16 brings mobility, scalability and significant savings on long distance charges.

 

Key features

Provide 16 cellular channels for IP-PBX

Support open standard SIP Protocols (IETF SIP V2)

Support SIP proxy mode

Multiple GoIP16 grouping mode

Two 10/100 Ethernet ports for the LAN and an additional device

Guad band GSM module: support GSM 850MHz, 900 MHz, 1800 MHz, 1900MHz

Speech quality ensured by QoS at LAN, IP layers and comprehensive jitter buffer

VLAN and QoS support

NAT Transversal

Voice prompts, HTTP Web

Highly stable embedded Linux operating system in high performance ARM 9 Processor  

 

Enhanced 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

Dynamic selection of codecs

Advanced jitter buffer

Automatic traversal of NAT and firewall

VLAN / Qos

Echo cancellation for Speakerphone

Comfort noise generation (CNG)

Voice activity detection (VAD)

Auto provisioning (requires auto provisioning server)

Firmware upgrade from GUI

 

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 (STUN) - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)

RFC 3892 - SIP Referred-By Mechanism

Proprietary Firewall-Pass-Through Technology

Codec: G.711 (A/µ law), G.729A/B, G.723.1

DTMF: RFC 2833, In-band DTMF, SIP INFO

Web-based Management

PPP over Ethernet (PPPoE)

PPP Authentication Protocol (PAP)

Internet Control Message Protocol (ICMP)

TFTP Client

Hyper Text Transfer Protocol (HTTP)

Dynamic Host Configuration Protocol (DHCP)

Domain Name System (DNS)

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