Grandstream Networks HT503 User Manual

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HT503 User Manual
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 [Disable 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]
 Added network whist/black list function on WAN port [White list for WAN side] [Black list for WAN side]
 Added settings for [PSTN Idle Wait Timeout between Outgoing Calls]
Changes from 1.0.10.9 User Manual
 Added the options to enable/disable [Use P-Preferred-Identity Header] and [Use Privacy Header]
 Added the option to enable/disable Authentication Header on Initial Register

Grandstream Networks HT503 Specifications

General

Brand	Grandstream Networks
Model	HT503
Category	Telephone Accessories
Language	English