Grandstream HT503 ATA Firmware 1.0.15.5

BUG FIXES:

- Fixed TR-069 cannot return value for AAL2G72632Payload type

- Fixed TR-069 local RTP port parameter missing in data model

- Fixed 70 and 71 does not work

- Fixed call got disconnected after 30 seconds in specific scenario

- Fixed device registered to outside SIP server remotely, SIP server did not receive Register request. Changed Layer 3 QoS SIP DSCP default value to 26

- Fixed if FXS1 transferred a call to FXS2 under certain scenario, the transfer failed

- Fixed device dial tone could not be stopped when it crashed

- Fixed device randomly cannot handle a second call made immediately after a call using TCP/UDP

- Fixed device stopped working after upgrading 300+ times

- Fixed Attend Transfer issue

- Fixed device cannot perform a second call after making transfer between two ports registered with the same extension

- Fixed only 10 IP addresses can take effect for "White/Black list for WAN side" option

- Fixed invalid format IP addresses can still be saved for "Black list for WAN side" option

- Fixed GXW400x all ports cannot be used under certain scenario

- Fixed the web UI LED pattern description for VM blinking pattern

- Fixed device cannot be provisioned using zero config. Added UCM Content-Type "application/xgs-ucm-url" support

- Fixed incoming call following Attended Transfer by Netsapien’s proxy was automatically terminated by device

- Fix issue that syslog did not print correct port number

- Fixed device WEB_UI status page DID always displays NO with or without a DID assigned. When a DID is assigned this information should be populated. Split “Port Status” part (on Web UI “STATUS” page) into 2 parts: “Port Status” and “Port Options”

- Fixed device port did not work after pressing HOLD many times

- Fixed HT503: input PIN for VoIP-to-PSTN Calls had serious noise when set "Gain TX" to "+2dB"

- Fixed the new P value is not displayed on Chinese web page

- Fixed TR-069 missing parameters

- Fixed Force Timer will not take effect under a Can Reinvite setting

- Fixed HT503 FXO CID detection issue

- Fixed device had Dial tone instead of silence after Current Disconnect

- Fixed SIP Registration Failure Retry Wait Time is fixed at 20 minutes after receiving 403 Forbidden

ENHANCEMENTS:

- Updated LED light patterns to match HT70x’s

- Added option to disable PnP subscribe feature

- Added option "DNS SRV use Registered IP" to control destination IP address for outbound request under SRV mode

- Split Layer 3 QoS into SIP and RTP

- Deactivated SIP INFO DTMF in SIP accept header. Added option "DTMF-RELAY Tag Respect SIP INFO"

- Added configurable option to enable/disable Broadsoft Connected Line ID

- Added support for dynamic strings in provision url vendor, pn, mac, hwver, swver

- Hide passwords from command line

- Customized HT503 timer for outgoing calls via FXO

- Updated time settings for Moscow, Russia

- Added support to redirect firmware/configuration file upgrade request upon receiving HTTP 302 response

- Added TLS/SSL certificate domain and chain validation

About VoIP System Updates:

Firmware updates for VoIP Systems are very complex and usually contain many bug fixes, security improvements and compatibility enhancements, because the base system must be able to connect to webcams, video conference devices and the like.

Upgrading your VoIP System firmware should be done as often as possible to keep your device up to date with new security standards, and improve the native plug and play capabilities of your device.

Although beta firmware are usually full of new and exciting features, updating to them should only be done after thoroughly reading the changelog and making sure that you still retain phone functionality. Remember to check if you can revert to a more stable version as well, in case the new update is not what you were expecting.

If you intend to apply this update, please make sure that the package is compatible with your VoIP System, hit the download button, follow the installation instructions and enjoy. Check out our website as often as possible in order to keep your device “Updated one minute ago.”

It is highly recommended to always use the most recent driver version available

Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games

Try to set a system restore point before installing a device driver

This will help if you installed a wrong driver

Problems can arise when your hardware device is too old or not supported any longer