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ACOM516 GSM/CDMA/WCDMA series VoIP Gateway is a multi-functional and high performance product, which is designed with advanced embedded technology .

ACOM516 series is able to process traditional voice call service and internet data service.

ACOM516 series includes different models of products as follows:

16 Port 16 /64/128 SIM GSM Gateway:

ACOM516G-16 Support Quad Band 850/900/1800/1900MHz
ACOM516G-64 Support Quad Band 850/900/1800/1900MHz
ACOM516G-128 Support Quad Band 850/900/1800/1900MHz

16 Port 16 SIM CDMA Gateway:

ACOM516C450-16 Support CDMA 450MHz
ACOM516C800-16 Support CDMA 800MHz
ACOM516C1900-16 Support CDMA 800/1900MHz

16 Port 64 SIM CDMA Gateway:

ACOM516C450-64 Support CDMA 450MHz
ACOM516C800-64 Support CDMA 800MHz
ACOM516C1900-64 Support CDMA 800/1900MHz

16 Port 16/64 SIM 3G WCDMA Gateway:

ACOM516W-16 Support WCDMA 2100MHz/GSM 850/900/1800/1900MHz
ACOM516W-64 Support WCDMA 2100MHz/GSM 850/900/1800/1900MHz

Compare to the ACOM508 GSM/CDMA/WCDMA series VoIP Gateway, ACOM516 series adoptnewhardware and software structure, which supports up to 16 concurrent calls and perfectly support G729a ,G723.1,G.711 a/u law and ilbc codecs at the same time.

1.Support 16 channels 64 SIM cards (ACOM516G-64)
2. Support 850/900/1800/1900MHz Quad-band GSM and WCDMA network
3. Support 450Mhz or 800Mhz or 800/1900Mhz CDMA network
4. Support BTS and carrier change and locked
5. Support IMEI and PIN modify
6. Support encryption: RC4, VOS and Ejoin private etc, OEM encryption support
7. SMS receiving/batch sending, AT command compatible
8. Support USSD balance enquiry
9. Automatically lock/switch SIM card according to its balance, balance alarm
10.Support G729a/b/e,G723.1,G.711 a/u law,and mixed G729 and G723, iLBC auto-selecting
11. EBO(Ejoin Bandwith Optimization)
12. Proxy Encryption Solution for IP Block
13. Support SIM Bank
14. SIM Card Rotation(ACOM516-64)
15. VPN 
16. Solution to solve the SIM card blocked

(1) Accumulated Call Duration Checking
(2) Accumulated Connected Calls Checking
(3) Accumulated Calls Checking
(4) Consecutive Failed Calls Checking
(5) Consecutive No-Alert Calls Checking
(6) Consecutive No-Answer Calls Checking
(7) Consecutive No Carrier Calls Checking
(8) Consecutive Short-Duration Calls Checking

17.Station intelligent switching 
18. SMS Send and Receive
19. SIM card remote insert
20. ERCS(Ejoin Remote Control System)

1. AT Command, SMS/USSD
2. SMS Codec: PDU/TXT 
3. PIN Code Management
4. Call Duration Limitation for SIM Card/Single 
5. Black/White List
6. Phone Book
7. Dial Plan / Prefix Inward Translation / Intelligent Routing
8.CDMA Relay Answer
9.GSM Polarity Reversal 
10. Carrier Selection
11. Caller ID Hidden
12. Call Forwarding
14. Network protocol: IPv4, TCP, UDP, PPPoE
DHCP, DNS,Telnet, STUN
HTTP, FTP, TFTP, NTP, ARP
Encryption: Ejoin, VOS2000, RC4, XOR, Base64

User Friendly Web Management  Interface 

Telnet Maintenance and Management

Console port safe mode

Chinese and English Interface

Configuration Backup and Restore

Support HTTP/TFTP Upgrade

Password Modification Through Web/Telnet, Multi Users  

Call Statics: ASR,ACD,PDD

Call Status, System Status

Inter-Call Statics

Ejoin Remote Management System

IVR Customized