v2.2.9-4-DGW-L301-normal-idc-v10-squashfs-sdcard-ad0dbaf4.img * Fixed RED Alarm issue on DTU-301 when connecting to T1/E1 lines * Fixed time issue on HB1981 Analog and E1 modules * Fixed memory shortage issue when setting SS7 signaling on digital gateway device ports * Fixed TR069 web default configuration refresh issue, preventing normal editing * Fixed DTMF sending issue on MAG1000 for Hong Kong customer * Fixed SIP protocol and PRI signaling not working in certain scenarios in log management * Fixed issue with single-port trunk in single port mode * Improved routing by Channel grouping for Digital R2 * Improved log management system * Improved firmware binary files for L304/302 * Improved UI usability with various interface enhancements * Implemented full compatibility for OIAD server-side to return 200 on qualify option * Upgraded `check_input2` for ICVP project * Enhanced trunk configuration page comments and adjusted interface parameter descriptions * Optimized login page display for OEM styles `blue_right` and `blue_center` * Optimized SRV record description * Optimized interaction between SIP compatibility mode and authentication prefix parameters * Supported setting default IP by slot number for DTU-301 module's OIAD firmware * Set CDR default call status to "All" on enable * Added DGW (Digital Gateway) port status functionality * Added local time synchronization feature * Added friendly prompt information for network management access options