Instruction Manual

FIRMWARE VERSION 1.0.9.1 HT503 USER MANUAL Page 6 of 59
CHANGE LOG
This section documents significant changes from previous versions of HT503 user manuals. Only major
new features or major document updates are listed here. Minor updates for corrections or editing are not
documented here.
CHANGES FROM 1.0.7.6 USER MANUAL
 Added option to enable/disable SIP NOTIFY Authentication. [Error! Reference source not found.]
 Added option [Use Configured IP ] in DNS mode. Added configurable parameter [Primary IP][Backup
IP1][Backup IP2]
 Added option to set [Reregister before Expiration]
CHANGES FROM 1.0.6.8 USER MANUAL
 Added the option to enable/disable hook flash. [Enable Hook Flash]
 Added two CPE SSL configuration [CPE SSL Certificate][CPE SSL Private Key]
 Added a configuration parameter to set the [Connection Request Port]
 Removed DHCP Domain from Web UI
 Removed Enable Ring-transfer from Web UI
 Added a configuration parameter to set the [Offhook Auto-Dial Delay]
 Changed the SSL Web UI decription to [SIP TLS Certificate][SIP TLS Private Key] and [SIP TLS Private
Key Password]
 Added [CPE] version to Software Version on Web UI.