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Voip Terminal / Telecommunication / Voip 4 Channel Gsm Gateway

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US$ 320 - 560 MOQ: 1 Unit
Key Specifications
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Place of Origin:
Guangdong, China
Brand Name:
Ejoin
Model Number:
ACOM 504G
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Shenzhen Ejoin Technology Co., Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
Shenzhen/Hongkong
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin Guangdong, China
Brand Name Ejoin
Model Number ACOM 504G
Type VoIP Gateway

Specifications

voip terminal / telecommunication / voip 4 channel gsm gateway
Frequency:450MHz or dual dand 800/1900MHz
New&Original

Overview

 

Ejointech is a professional developer and manufacturer of VoIP products. EjoinTech provides ACOM brand VoIP communication devices and solutions. And we also offer customized products and OEM service. They are a cost-effective gateway for SOHO, SMEs and system integrators and it also opens up new revenue generating opportunities for service providers.

  

Key features

 

Support 4 channels 4 SIM cards
Support 850/900/1800/1900MHz quad-band GSM network
Support BTS and carrier change and locked
Support IMEI and PIN modify
Support encryption: RC4, VOS and Ejoin private etc, OEM encryption support
SMS receiving/batch sending, AT command compatible
Support USSD balance enquiry
Automatically lock/switch SIM card according to its balance, balance alarm   

 

Basic features

 

Support SIP registration and peer-to-peer
Support Hotline, Phone book, Speed dial, Dial Plan
Update firmware by local or internet
Field proven compatible with Asterisk-based softswitches
Single-channel debug for manual calling, directly AT command
LCR automatically route calls
Centralized network management
Caller ID detection and generation
Master and slave SIP server
VLan and QoS support
SIM card hot plug
Calling Statistics
Support customized IVR  

 

Applications

 

Used in conjunction with VOS, VPS, call back or other Asterisk-based softswitches, for

 

accessing VoIP network by SIM cards, LCR select least cost router to reduce the cost of calls.

 

 

 

Mobility extension

 

Most of mobile carriers offer zero or almost zero tariff for calls within a group of SIMs.

Mobile phones can be considered as “mobile extensions” of the telephone system.

Additionally, “Least Cost Router” permits to select the cheapest route for any call.

 

SMS batch sending

 

The device support SIP SMS sending and receiving, used with the SIP server as a SMS

gateway.

 

 

Specification

 

Network

GSM

Model

ACOM 504G-4

Number of Channels

4 channels 4 SIM cards

Frequency

850/900/1800/1900MHz quad-band network

Call Control Protocols

SIP

Voice CODECs

G.729A, G.723.1, G.711 a/ulaw

Network Protocols

IPv4, TCP, UDP, PPPoE, DHCP, DNS, NAT, Telnet, HTTP, FTP, TFTP

Configuration and Management

·Web-based GUI
·Console, telnet command line
·Centralized network management

Firmware Update

Local file, FTP, TFTP and HTTP

Message Features

SMS batch receiving/sending, AT command compatible

Telephony Features

·Hot-line call
·Dial plan
·Speed dial
·Phone book
·CDR
·White list

Telephony Signaling

·DTMF tone dectection/generation
·DTMF relay: in-band, RFC 2833 and SIP info
·Call forward: unconditional, no answer and busy
·N-way conferencing
·Mobile Number Portability

Voice Quality

·Echo cancellation
·Silence suppression(voice activity detection, comfortable noise generation)
·Adaptive jitter buffer

Number of Ports

·1 WAN 10/100Base-T ethernet(RJ-45 connector)
·1 LAN 10/100Base-T ethernet(RJ-45 connector)
·1 console(RS-11 connector)

LEDs

1 power and 4groups of signal strength and running indicator

Power Supply

100-240VAC, 50 - 60 Hz

Dimensions

•Rack mountable 1U chassis(compatible with 19" Rack)
•Width: 482mm
•Height: 44mm
•Depth: 210mm

Weight

2.5kg

Operating Environment

·Operating temperature: 0 - 50ºC
·Operating humidity: 10 – 90%

Warranty

12 Months

 

  

 

Packing detail

 

 

 

 

 

Most Strength Products

 

 

Model 504G 508G 508G   (Sim Switch Version) 504C 508C 508C   (Sim Switch Version) 504W 508W 508C   (Sim Switch Version)
 
Number of Channels 4GSM 8GSM 8GSM 4CDMA 8CDMA 8CDMA 4WCDMA 8WCDMA 8WCDMA
 
Number of SIM cards 4 8 32 4 8 32 4 8 32
 
Frequency 850/900/1800/1900MHz 450MHz or 800/1900MHz 850/900/1800/1900/2100MHz
 
Call Control Protocols SIP
 
Voice Codecs G.729A, G.723.1, G.711 a/ulaw

 

 

 Contact

 

 

 

 

    


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Shenzhen Ejoin Technology Co., Ltd.
Business Type
Manufacturer
Year Established
2003
Factory Size
Below 1,000 square meters
Total Employees
101 - 200 People
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