v1.0.0 (30.10.2006)
* First release

v1.0.1 (6.2.2007)
* Added support of expansion port

v1.0.2 (14.2.2007)
* Added parameters Rekey Margin and Rekey Fuzz to IPsec configuration

v1.0.3 (22.3.2007)
* Added support of L2TP protocol
* Added support of hostname in IPsec configuration
* Added support of backuping/restoring configuration

v1.0.4 (3.5.2007)
* Added support of setting Ethernet link speed and duplex

v1.0.5 (25.6.2007)
* Added support of RS485

v1.0.6 (2.11.2007)
* Added support of selecting operator
* Added support of setting HTTP and Telnet server port
* Added support of downloading system log
* Added indication of connection status (GPRS/EDGE)
* Added configurable firewall
* Added FTP server

v1.0.7 (28.11.2007)
* Added support of sending and receiving SMS via expansion port and TCP connection
* Added support of selecting split timeout in expansion port configuration

v1.0.8 (2.1.2008)
* Added support of selecting baudrate in AT-SMS protocol

v1.0.9 (7.1.2008)
* Added SNMP agent

v1.1.0 (5.3.2008)
* Added support for '#' character in GPRS username and password
* Added support of selecting stop bits and parity in MBUS protocol
* Added support of editing startup script
* Added support of three more GRE tunnels

v1.1.1 (27.5.2008)
* Added support of preserving configuration after firmware update
* Added support of IPsec X.509 certificates and NAT Traversal
* Added support of static DHCP leases
* Added support of UDP protocol in expansion port configuration
* Added support of secondary SIM card
* Added support of remote control via SMS
* Added support of sending SMS
* Enhanced firewall configuration
* Increased timeout for entering PIN

v1.1.2 (25.8.2008)
* Added support of VRRP
* Added support of OpenVPN
* Added support of three more IPsec tunnels
* Added support of IPsec passthru (in transport mode)
* Added support of entering PIN for both SIM cards
* Added support of restarting router via command "REBOOT"
* Independent sending SMS and switching SIM card when data limit is exceeded
* Kernel changed to 2.6.17

v1.1.3 (29.9.2008)
* Fixed reading SMS from filled SIM card

v1.1.4 (3.11.2008)
* Added support of MBUS overload signalization
* Fixed inicialization of MC75i module

v1.1.5 (18.12.2008)
* Added support of selecting timezone
* Added support of selecting renegotiate period in OpenVPN configuration
* Added support of exporting and importing startup script
* Added rotating of system log
* Fixed sending empty name and password in PAP protocol
* Suppressed logging of LCP echo packets

v1.1.6 (27.1.2009)
* Added NTP server
* Added support of redirecting default gateway in OpenVPN configuration
* Added support of switching to offline mode when data limit is exceeded
* Added support of sending SMS when binary input of XC-CNT expansion board is active
* Added support of traffic monitoring

v1.1.7 (4.3.2009)
* Increased timeout for IPCP packets

v1.1.8 (21.4.2009)
* Added support of multi-client mode in OpenVPN configuration
* Added support of controlling binary output via SNMP protocol
* Added support of setting SMS service center
* Added automatic reboot in case of fatal failure during establishing PPP connection

v1.1.9 (15.5.2009)
* Added support of automatic update of configuration and firmware
* Added support of aggressive mode in IPsec configuration

v1.2.0 (8.6.2009)
* Added program ARP

v1.2.1 (7.9.2009)
* Added program Telnet
* Added support of remote control from any phone number
* Enhanced checking of web interface forms

v2.0.0 (19.11.2009)
* Added support of configuration profiles
* Added support of daylight saving time
* Added support of second OpenVPN tunnel
* Added support of TLS authentication in OpenVPN configuration
* Added support of Dead Peer Detection in IPsec configuration
* Added support of four more NAT rules and configuration of FTP access
* Added support of setting default gateway and DNS server
* Added support of remote logging
* Modified entering PIN
* Upgraded OpenVPN to version 2.1 RC20

v2.0.1 (27.1.2010)
* Added support of showing transferred data in accounting period
* Added support of Dial-In access
* Added support of setting phone number for Dial-Out and authentication protocol
* Modified restarting IPsec tunnel and packet routing
* Modified entering ping interval (value is in seconds)
* Fixed passing return values of scripts called from CRON daemon

v2.0.2 (1.2.2010)
* Fixed setting of authentication protocol in MC75 modules with firmware older than 04.000

v2.0.3 (26.5.2010)
* Added support of Dynamic DNS in Openswan
* Added support of copying profiles
* Added support of entering hostname in PPP check configuration
* Added filename check when upgrading firmware
* Added program for controlling inputs and outputs
* Expanded memory area for shell variables
* Fixed getting operator number in roaming

v2.0.5 (5.10.2010)
* Added support of PPPoE bridge mode
* Added program for sending emails
* Fixed filtering of Ethernet frames
* Updated APN list

v2.0.6 (26.10.2010)
* Added support of periodic time synchronization
* Added support of calling script for processing received SMS
* Fixed restarting of OpenVPN tunnels from web interface
* Fixed entering special characters in password
* Increased limit for parameter Rekey Margin
* Increased timeout for waiting for response from SMTP server

v2.0.7 (16.12.2010)
* Added support of highlighting poor signal quality
* Added support of detecting status of analog and counter inputs of XC-CNT expansion board
* Added support of four more NAT rules and possibility to disable masquerade
* Added support of mangle table to iptables
* Added timeout for establishing PPP connection

v2.0.8 (18.2.2011)
* Added support of calling scripts when PPP connection is established/lost
* Added information about connection state to SNMP agent
* Added parameter "key" to GRE tunnel configuration
* Modified sending PIN to the module

v2.0.9 (9.3.2011)
* Added info about connection uptime

v2.1.0 (22.4.2011)
* Added support of selecting DynDNS Server
* Added ability to determine assigned IP address via SMS
* Fixed automatic update of configuration

v2.1.2 (9.6.2011)
* Added support of RS-485 to AT-SMS protocol
* Modified buffer size for receiving SNMP packets
* Modified location of crontab file
* Fixed automatic update from FTP server
* Fixed reading data from serial line

v3.0.0 (27.7.2011)
* Added displaying location and name of router on web interface (from SNMP configuration)
* Added highlighting of menu item "Change Password" when router is using default password
* Fixed processing of UDP packets coming from IPsec tunnel to IP address of interface eth0

v3.0.1 (26.9.2011)
* Added possibility to use DTR and CD signals of expansion ports for control and signaling state of TCP connection
* Added showing date and time when listing directory contents via program ls
* Added automatic reboot at lack of system resources
* Adjusted generating SPI for IPsec for quicker recovery after reboot
* Fixed router identification in SNMP
* Fixed crashing of VRRP daemon
* Removed password length restrictions

v3.0.2 (11.11.2011)
* Added support of using program "restore" to restore configuration from file
* Added support of command AT+CSCS into AT-SMS protocol
* Added delay between AT commands into CHAT script to improve stability
* Added automatic reboot at repeated failure of LCP packet transmission
* Modified interval of time synchronization with NTP server from 24 hours to 8 hours

v3.0.3 (14.12.2011)
* Added support of GRE keepalive
* Added resending SMS after error
* Shortened time to repeat DynDNS record update after server closes connection prematurely
* Fixed termination of OpenVPN after receiving message AUTH_FAILED
* Fixed handling of IPsec packets if Remote IP Address falls within Remote Subnet