v2.2.7-iag800-normal-iac-v14-squashfs-sysupgrade-803efff2.bin *Fixed the problem of P-Asserted-Identity callerid. *Fixed the problem of ocloudclient and icvp http_set coupling *Fixed the problem that firewall is unable to fill in icmp type when selecting ICMP protocols *Fixed the problem that Static routes for network functions does not support management port *Fixed the problem that system related sys_* classes upgraded to check_input2 checking *Fixed the problem that log management_support log page save without prompting *Fixed the problem that Dual NIC bridge network mode, /usr/sbin/odhcpd process reporting error *Fixed the problem that firmware download via server is not working on some HTTPS servers. *Fixed the problem that some sip servers are treating registrations with different line parameters as new registrations, resulting in registrations being rejected *Fixed the problem that FXO group number is not shown in port status page *Fixed the problem that after configuring Softethervpn in VPN settings page, the web will force logout when getting the configuration information again *Fixed the problem that network status page does not show lan port information. *Fixed the problem that *Added support for chinese voice *Added TLS1.3 *Added pvid parameter in switch device *Added HWFXO/FXS GAIN parameter *Added cloud management account registration reminder message in cloud management setting page *Added function that FXO will not answer the incoming call by default, and the waiting time before answering can be set. *Added display of ICVP slot information *Added Self-Switching VEX *Added upnp *Added mtu option setting *Opened MWI voltage parameter for user's self-configuration *Optimized OIAD self-switching feature. *Optimized jffs2_fixup *Optimized English translation of light effect *Optimized ims registration speed *Changed Network information initialization part to json way to deal with the difference, including API interface reading. v2.2.6-iag800-normal-iac-v14-squashfs-sysupgrade-ee6dcd12.bin *Added support for chinese voice v2.2.6-iag800-normal-iac-v14-squashfs-sysupgrade-06385ec1.bin *Fixed the problem of slow firmware upgrade for MAG1100 function boards *Fixed the problem of non-compliance of domain name detection for server address. *Fixed the problem that the SIP account is displayed incorrectly in the MAG1100 interface status page. *Fixed the problem that the MAG1000 88601 has an abnormal off-hook tone. *Fixed the problem of incorrect partition size in the latest firmware of iac-v20. *Fixed the problem of invalid first dialing timeout and inter-bit dialing timeout parameters. *Fixed the problem that Asterisk's internal time zone analysis error causes the internal time to be messed up. *Fixed the problem of recording processing program in IXU. *Fixed the problem that the IP alias of the lan port should not be displayed in bridge mode. *Fixed the problem of memory leakage caused by modifying http port on web. *Fixed the problem of batch setting of call settings in FXS port setting page. *Fixed the problem that the called party still rings after initiating call forwarding and tapping the fork again to cancel it. *Fixed the problem that cloud management sometimes does not show up *Added network configuration compatibility for dual-NIC devices. *Added support for IPV6 *Added TR069 *Added real-time printout and download of call-related logs *Added support for IPoE *Added FXS support for group configurability *Added from_domain support for IPV6 for asterisk dialog and no-dialog messages. *Added firmware upgrade support for remote firmware download. *Added support for MINDTMFDuration parameter. *Removed gateway required restriction on wan port *Optimized channel recording *Optimized OIAD binding cloud management interface *Optimized CDR page display status *Optimizedsubnet mask integer to IP string function adjustment. 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.