Hot New GSM /CDMA/WCDMA SK32-128 bulk sim voip gateway asterisk pstn gateway automatic imei change

Features

Relay Encryption Solution(Fix IP blocking)

Bandwidth Optimization

Support SIM Rotating(one channel including 4 SIM cards)

Base Station Switch

VPN

Remote Control(Access your device system anywhere)

Multi-Codec Support(G729 a/b/e,G723,G711 A/U law,iLBC)

SMS Receive & Send

Upgrade online or local

Network

IPv4,TCP,UDP

DHCP, DNS, PPPoE

Telnet, STUN

HTTP,FTP,TFTP,ARP,NTP

Encryption

WAN,LAN,USB

SIM Frequency

GSM:850/900/1800/1900MHz

CDMA:450/800/1900MHz

WCDMA:850/900/1800/1900+2100M

Software

Guide Initialization Web

Call Forwarding

PIN Code Management

AT, SMS,USSD

Personification

Caller Anonymous

Avoid FAS

High-Q ASR,ACD

Echo/Silence control

VOL control

RTP/RTCP RFC3551

SIP V2.0 RFC3261

Qos

IVR

Black/White List

Linux Operation(Safe & Stable)

Hardware

Cooling Fans/HTTP Web Browser: Firefox/Chrome /IE/Opera

Power Input:100-240V~50-60Hz 1.2A MAX

Power Output:12V/5A

RJ45&USB Cable support

16 Antennas/HTTP Web Browser: Firefox/Chrome /IE/Opera

Working Temperature:0~+50°C

Working Moisture: 10 ~ 90 % RH

HTTP Web Browser: Firefox/Chrome /IE/Opera