Specifications
voip gsm pstn gatewayvoip gsmvoip gsm call termination
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
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 Ejointech ACOM504G/504C/504W/508G/508C/508W is an analog GSM/CDMA/WCDMA Cellular Gateway that helps directly interconnect a SIP-supporting VoIP network with GSM/CDMA /WCDMA networks.
Features & Specifications:
| 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 |
The Detailed Picture:
The Packing Picture:
Application:
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.
Saving Cost on International and Long Distance Calls,when you are in the other countries& you have this gateway at your
Local office,you could dial & receive phone call from your customers as you are there without Long Distance fee Very
excellent solution for internal company with branch offices oversea.
Company profile: