Grandstream HT503 User Manual - Manual (Page 7)

FIRMWARE VERSION 1.0.14.1 HT503 USER MANUAL Page 5 of 64
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 1.0.13.3 USER MANUAL
 Added feature [ Hold Target Before Refer ] in profile settings, which allows user to hold or not hold the
phone call before refer.

Added feature [ Crypto Life Time ] in FXS port settings, which allows user to enable or disable Crypto
life time when using SRTP.

Added feature [ Crypto Life Time ] in FXO port settings, which allows user to enable or disable Crypto
life time when using SRTP.
 Added feature [ Play busy/reorder tone before Loop Current Disconnect ] in profile settings, which allows
user to configure if it will play busy/reorder tone before loop current disconnect upon call fail.
CHANGES FROM 1.0.12.4 USER MANUAL
 Added option [ SIP Timer D ] to configure RFC 3261 timer D in Advanced Settings.

Changed option name from [ Allow DHCP Option 66 to override server] to [ Allow DHCP Option 66 or 160
to override server ]. Now option160 will be accepted by unit along with option 66 when enabled.
 Added feature [ Download Device XML Configuration ] in advanced settings, which allows user to
download device configuration to local directory in xml format.

Added feature [ Upload firmware ] in advanced settings, which allows user to upload firmware file from
local directory.

Added feature [ Upload configuration ] in advanced settings, which allows user to upload configuration
file from local directory.
CHANGES FROM 1.0.12.1 USER MANUAL
 Added the options to enable/disable [ Always send HTTP Basic Authentication Information ]
 Added the options to restrict the m field sent in SDP [ Disable Multiple m line in SDPDisable Multiple m
line in SDP ]