Grandstream HT502 User Manual - Manual (Page 7)

FIRMWARE VERSION 1.0.14.1 HT502 USER MANUAL Page 5 of 54
CHANGE LOG
This section documents significant changes from previous versions of HT502 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 FXS port 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 [ Play busy/reorder tone before Loop Current Disconnect ] in FXS port 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 the option160 can be abled/disabled along with option 66 on DHCP server at
the same time.
 Added feature [ Download Device XML Configuration ] in advanced settings allows to download device
XML configuration to local directory.

Addied feature [ Upload firmware ] in advanced settings allows user to upload firmware file from local
directory.

Addied feature [ Upload configuration ] in advanced settings 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 ]
CHANGES FROM 1.0.11.3 USER MANUAL

Added the options to enable/disable [ Do Not Escape '#' as %23 in SIP URI ]