v2.2.9-DTU-301-normal-idc-v11-squashfs-sdcard-c7b77cac.img	
		*Added failover feature
		*Added OIAD FXO single SIP/multiple SIP mixed binding with Port +group
		*Added support that local DNS SRV resolution implementation for single server registration
		*Added digital PRI support for routing by channel group
		*Added support that SIP setting compatibility mode identity_mode associated modification
		*Added support for tel protocol header of UAC
		*Added RFA light support for SS7
		*Added handling for registration returning 403 and other failures
		*Added Japanese support
		*Fixed the problem of insufficient memory resource 
		*Fixed the problem that web template configuration for quality authentication has opposite effect to actual result
		*Fixed the problem that analog phone gets incorrect time 
		*Fixed the problem that unable to register successfully after registration count reaches server max_contacts value
		*Fixed the problem that /etc/config/network exception occurs after upgrading to the latest compiled version.
		*Fixed the problem that wrong description of echo cancellation parameter 
		*Fixed the problem that call failure when incoming IMS line's To number does not match the registered number
		*Fixed the problem that MTU shows DAHDI status as OK even after unplugging the line
		*Optimized auto-deployment
		*Optimized CDR query list