Product Name: 8 Ports 32 SIMs GSM VoIP Gateway Specification:

1.8 channels, up to 32 SIM cards

2.GSM, CDMA, WCDMA VoIP gateway

3.Frequency: GSM. Quad Band 850/900/1800/1900MHz

CDMA. 450MHz or dual band 800/1900MHz

WCDMA 850/900/1800/1900/2100MHz

4.IMEI change, BTS change and lock,SIM rotation

5.SIP protocol, compatible with Asterisk, Elastix, Freeswitch

6.SMS batch receiving/sending, AT command compatible

Series Model:

ACOM504G -- 4 ports 4 SIMs GSM gateway

ACOM508G -- 8 ports 8 SIMs GSM gateway

ACOM508G(SIM switch) -- 8 ports 16/32 SIMs GSM gateway

ACOM504C -- 4 ports 4 SIMs CDMA gateway

ACOM508C -- 8 ports 8 SIMs CDMA gateway

ACOM508C(SIM switch)-- 8 ports 16/32 SIMs CDMA gateway

ACOM504W-- 4 ports 4 SIMs WCDMA gateway

ACOM508W--8 ports 8 SIMs WCDMA gateway

ACOM508W(SIM switch) -- 8 ports 16/32 SIMs WCDMA gateway

Overview:

The series products, rely on leading AudioCodes DSP chips, use the most advanced VoIP technologies.

All products are based on industry standard protocl (SIP call control, G729, G711 voice compression etc.), fullycompatible with Asterisk and wellknown VoIP device providers(Cisco, Huawei etc.), for deploying flexibly manycommunication solutions,to bring deeper clarity and better end user communication experience.

The Ejointech ACOM504G/504C/504W/508G/508C/508W is an analog GSM/CDMA/WCDMA Cellular Gateway that helpsdirectly interconnect a SIP-supporting VoIP network with GSM/CDMA /WCDMA networks.

Key features:

l Support 8 channels 32 SIM cards and 4 SIM cards per channel rotation using

l Support 850/900/1800/1900MHz Quad-band GSM network

l Support BTS and carrier change and locked

l Support IMEI and PIN modify

l Support encryption: RC4, VOS and Ejoin private etc, OEM encryption support

l SMS receiving/batch sending, AT command compatible

l Support USSD balance enquiry

l Automatically lock/switch SIM card according to its balance, balance alarm

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

Call Control Protocols	SIP
Compatible	Compatible with Asterisk, VOS,Freeswitch,Elastix, IMEI change BTS change and lock SIM rotation
Number of Channels	8 GSM channels
Frequency	Quad Band 850/900/1800/1900MHz
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 8 groups 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

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