v2.2.9-4-nx32-normal-iac-v12-squashfs-sdcard-ee091251.img
		* Fixed incorrect time issues on HB1981 Analog and E1 modules
		* Fixed FXS server break internal exchange issue
		* Fixed MAG2100 device FXS port settings page abnormal issue
		* Fixed IP2TEL routing destination device port filling support
		* Added policy configuration support to FXO analog gateway routing configuration page
		* Added OIAD FXS support for sending caller ID before ring
		* Added local time synchronization function
		* Added L304 and future SPI-NAND OEM partition support of extended files
		* Added emetrotel custom firmware xstim support of server hotline
		* Added missing 403 retry functionality in version 2.2.9 hotfix
		* Added comments to trunk configuration identify_prefix parameter page and adjusted interface parameter descriptions
		* Added friendly prompt information to network management access options
		* Optimized TR069 requirements
		* Optimized log management system
		* Optimized when analog gateway hotline number adds # and number map sets # as send key
		* Optimized dialtone_detect to solve slow channel release when calling PSTN to IAD FXO and caller hangs up immediately
		* Optimized login page display when OEM style is blue_right and blue_center
		* Optimized SRV record description 
		* Upgraded ICVP project check_input2  
		
v2.2.9-nx32-normal-iac-v12-squashfs-sdcard-3fce5849.img
		*Fixed the problem that single E1 Gateway/Analog MAG1000 Insufficient Memory Resources
		*Fixed the problem that registration fails after reaching server max_contacts Limit
		*Fixed the problem of FXS port settings batch configuration
		*Fixed the problem of IMS incoming call "To" number mismatch handling
		*Fixed the problem of web template qualify authentication logic inverted
		*Fixed the problem of FXO caller id Garbled Text
		*Fixed the problem of popping noise When Analog Phone Off-Hook
		*Fixed the problem of no caller id
		*Fixed the problem that MAG1000 Resource Leak After 77 Days of Operation
		*Fixed the problem that  FXO CDR Port Field Display Timing
		*Fixed the problem that analog Phone Time Retrieval Incorrect via NetBus FXO Gateway Board
		*Added MAG1100/2100 Driver Compatibility for Versions Without Port Lights
		*Added UScale S132 OEM (MAG2000) and default cfg
		*Added FXO Gateway CallRoute Support for Group Call Source
		*Added support for IMS dual homing with same contact
		*Added "Select All" option in FOX port setting
		*Added local DNS SRV resolution for multi-server single registration
		*Added UAC support for tel protocol header
		*Added OIAD OEM UScale S196 & S1224 firmware
		*Added called number transformation
		*Optimized automated deployment
		*Optimized dial rule
		*Optimized CDR query list 
		
v2.2.8-nx32-normal-iac-v12-squashfs-sdcard-bbee9a8d.img
		*Fixed the problem that the device has been running for a period of time and cannot make normal outgoing calls
		*Fixed the problem that  when there is a message on individual channels, the 5288 caller will go off-hook abnormally; Channel 2 goes off-hook without sound
		*Fixed the problem that call hangs up directly when timeout parameter calltimeout is set to 0
		*Fixed the problem that there is no beep after power off when there is MWI,
		*Fixed the problem that sending multiple registration requests resulting in rejection when connect with grandstream pbx
		*Fixed the problem that IMS line inbound To number does not match registration number
		*Fixed the problem that ports configured in do-not-disturb mode can cause number feed failure
		*Fixed the problem that interface request timeout causes the web page to force quit
		*Fixed the problem that port status voltage value does not correspond to port number
		*Fixed the problem that password change screen doesn't prompt for a password format
		*Fixed the problem that clicking disable again fails to save after opening OpenVPN
		*Fixed the problem of unconditional transfer failure.
		*Fixed MAC address problem
		*Fixed the problem that two H3 ip addresses in PCB will conflict
		*Fixed the problem that package dependency and naming exception under ovapp
		*Added temporary answer 180 parameter after adding invite
		*Added ringing state in FXS port status
		*Added XSTIM protocol support
		*Added custom Sync Down
		*Added comment to cfgdefault file
		*Added usecallerid parameter to FXO port for devices like door phone or alarm panel
		*Opened SNMP mib
		*Optimized language
		*Optimized page display 
		*Optimized analog FXS/FXO display status