v2.2.5-iAG800-iac-v1-squashfs-sysupgrade-983f019f.bin
		*Added Layer2 QoS Support
		*Added Pulse dialing improvements
		*Added asterisk codec amr		
		*Added SIP compatibility parameter 
		*Added line test function in web
		*Added SIP compatible parameter
		*Added option responding
		*Added customized config file name of auto provision
		*Added DTMF related parameters
		*Added DTMF related parameters
		*Added sorting policy in FXO port group
		*Added support for early media on s-port gateway.
		*Added i18n language menu options
		*Removed gateway required restriction in mgt settings.	
		*Optimized the display of garbled code on the phone.		
		*Fixed the problem that combined device does not re-register after ip change
		*Fixed the problem that SNMP returns incorrect port status.
		*Fixed the problem that CDR port lookup with duplicate channels displayed		
		*Fixed the problem that the display mode of local number is wrong.
		*Fixed the problem that network jump is not reasonable.
		*Fixed the problem that combined platform multiple interfaces listening on 0.0.0.0 issue.
		*Fixed the problem that configuration send timing is not correct when auto provision works with brush retention configuration
		*Fixed the problem that management port configuration is cleared after closing the management port
		*Fixed the problem that FXS to Zibo recording card, the recording card can not record normally.*Fixed the problem that network jump is not reasonable.
		*Fixed the problem that Syntax error in net_mgt's get function causes logread to keep alerting.

		
iac-v1-squashfs-sysupgrade-v2.2.4
		*Add Layer2 QoS Support
		*Add function that cloud management xfrpc ssh port down interface
		*Add function that mac address information to interface board information.		
		*Add SIP compatibility parameter 
		*Add domain name resolution configuration to page
		*Removed gateway required restriction in mgt settings.		
		*Optimized Codec
		*Optimized firmware upgrade page
		*Optimized routing option		
		*Fixed the problem that static routing affects network status page display
		*Fixed the problem that analog phone display time is not correct
		*Fixed the problem that Stability calls are filling up the CPU.		
		*Fixed the problem that The display mode of local number is wrong.
		*Fixed the problem that call to SIP phone from analog phone with abnormal sound when using codec ilbc.