Additions: - Supported DECT repeater (KX-A405). - Added the function to input the user ID and Password for digest authentication from handset. - Improved to hear the ring-back tone during calling to the destination by REFER transfer. - Expanded the digit of SIP/HTTP User Agent from 40 to 64. - Supported TR-069 remote mainenance. - Supported the access code based redirection service. - Made the phone idle when the other party hung up the call. - Changed the schema of the embedded redirection server URL from http to https automatically. - Added the parameter that specifies the range for the delay interval, in minutes, for the random timing to access the provisioning server. New parameter:CFG_RESYNC_DURATION - Added the parameter that Specifies whether or not to add Route headers when setting OutBoundProxy. New parameter:SIP_ADD_ROUTE_[1-8] - Supported failover feature. Added new parameter:SIP_FOVR_MODE_[1-8] Specifies whether INVITE/SUBSCRIBE will also follow the REGISTER Failover result. Added new parameter:SIP_FOVER_DURATION_[1-8] Specifies the number of transmission times for the REGISTER method at the Failover destination. Improvements/Corrections: - Improved the feature to forward to the conference server. - Improved so that the phone shows the shared line status in case of including Comma in call-info message. - Improved the impossibility of some handset function after web settings are reset when repeater mode is on. - This is the improvement for ver.22.53 of firmware.
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