Guangdong, China
Business Type:
Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001, ISO 9000
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available
Russian / Portuguese / Spanish Speaker

32 Ports Gsm Sim Box, Gsm Gateway, Goip32 manufacturer / supplier in China, offering 32 Ports SIM Box GSM Gateway GoIP32 for VoIP Call Termination, DBL SIM Bank32 Remote Controller SIM Server, Remote 32 SIM Cards SIM Bank SMB32 and so on.

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32 Ports SIM Box GSM Gateway GoIP32 for VoIP Call Termination

Get Latest Price
Min. Order: 1 Piece
Production Capacity: 10, 000 PCS/Month
Transport Package: Package: 3 PCS/Carton
Payment Terms: T/T, Paypal, Money Gram, Western Union
Type: Gateway
Support: SMS
Number of Channels: 32
Wire or Not: Wire
Color: Gray
SIM Port: 32

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Basic Info

Model NO.: GoIP32
VPN,Relay: Support
Bulk SMS/Ussd: Support
Iemi Changeable: Support
Size: 37.5*22*17cm
Weight: 1.7kg
Warranty: One Year
Trademark: DBL
Specification: Box Dimension: 37.5*22*17cm (L*W*H) G. W: 1.7kg
Origin: China
HS Code: 8517623900

Product Description

HOT SALE DBL 32 Ports VoIP GSM Gateway GoIP32 support IMEI Changeable

GoIP GSM Gateway Specification:

1.32 GSM channels
2.Good ACD,ASR
4.Support IMEI changeable
6.Remote Access
7.Optional SMS termination
8.Auto Balance and Recharge

9.Quad band, IMEI changeable


A VoIP GSM Gateway (GoIP) bridges voice communications between the GSM and the IP networks seamlessly.In principle, it consists of a GSM module and a VoIP module.With a SIM card installed, the GSM module registers to the GSM network for voice and SMS services.

GoIP comes with various models of 1, 4, 8, and 16 GSM channels.When integrating in a VoIP system, GoIP is highly scalable in meeting customer's requirement on the number of channels (lines).In addition with its power functions, high voice quality, and low price, GoIP is an inevitable choice of many system integrators, call termination operatiors, small companies, and individuals.

Key Features

GSM Carriers and Base Stations Optional
Sending SMS / USSD via built-in webpage or SMS Server
Remote SIM
Auto balance check and recharge (prepaid SIM)
Call time restrictions
Remote Control Management
Relay Server support for NAT and encryption of IP packets
PPTP VPN and Relay Encryption
Built-in SIP Proxy for peer-to-peer operation
GSM Quad Band:850 / 900/1800/1900 MHz
Call forward from GSM to VoIP and VoIP to GSM
Call Back

Key Advantages

Lightweight and Portable
Easy to install and administrate
IMEI Changeable
GSM Base Station Optional
Support SIM Bank/ SIM Sever
Manual/ Automatic Selection Operators
Sending and Receiving SMS and USSD (Web Interface)
Flexible Dial plan fo number alternation, call screen.
Flexible configuration modes.
All functions can be set on web.
Provide CDR

Free Software/Server

Remote Control Server----Access Interface Remotely.

Relay Server----Relay Encryption( Make Terminals Traversal the NAT without STUN and Outbound Proxy)

SMS Server----Remote SIM cards;Send Bulk SMS;Provide CDR and ASR;Auto Balance and Recharge.

SIM Server----Remote SIM Cards on Duty;Set GSM Group( Assign several SIMs per GSM Port);Set talk time per SIM, Set Day of week, time range;Monitor CDR, ASR, ACD.

Autocfg Server---- Maintence all DBL termial device anywhere;Embeded remote control server;Remote SIM auto configuration.


IP Assignment, Static IP, DHCP, PPPoE.

32 Ports SIM Box GSM Gateway GoIP32 for VoIP Call Termination
32 Ports SIM Box GSM Gateway GoIP32 for VoIP Call Termination
32 Ports SIM Box GSM Gateway GoIP32 for VoIP Call Termination
Key Features
Open Standard VoIP Protocols (SIP& H. 323)
Single or Multiple Server Registrations
Two 10/100 Ethernet for WAN / LAN connections
Peer-to-Peer IP Calls
Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
Line Echo Cancellation
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, FXS
Dial in mode or dial out mode only
Call forward from GSM to VoIP and VoIP to GSM
Dial Plan
Retransmit GSM Caller ID to VoIP terminal

Enhanced Features
Dynamic selection of codec
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)
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 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
Operating temperature: 10° C to 40° C (50° F to 104° F)

Physical and Environmental
Storage temperature: 0° C to 50° C (32° F to 122° F)
Power: 12 VDC 4.5A (110V-220V) (AC/DC adapter included)
Warranty: one year

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