Grandstream HT702 ATA Firmware 1.0.7.3

BUG FIXES:

- Fixed [TR-069] dateTime Type typo
- Fixed sometimes there is slow ring, or no ringing at all when using certain analog phones
- Modified some options' value for Chinese web UI display
- Fixed web UI display issue under Chinese. Added "Allow DHCP Option 120" to Chinese web UI
- Fixed when registered to outside SIP Server remotely, SIP Server cannot receive register request
- Fixed device rejects SIP reply from Outbound Proxy under some conditions
- Fixed after receiving some DTMF via SIP INFO, quickly press digit button, audio volume will become very low
- Fixed SIP Server and Outbound Proxy cannot be configured with host address like x.x.x.0
- Fixed modem test failure. Added web UI option "Disable Network Echo Suppressor" under each account/profile (P 4441/4442/4443/4444)
- Fixed the problem when offhook auto dial is configured with nonzero delay timer, device does not play stutter dial tone if there is voice mail
- Fixed device fails to download provisioning file by HTTPS with mutual TLS enabled
- Fixed no ring back tone when "Disable Call-Waiting Caller ID" is set to “YES”
- Fixed device fails to handle multiple m lines in SDP correctly causing incoming call fail. Added web UI option "Disable Multiple m line in SDP ".
- Fixed after clearing the dial plan, user can still successfully Save and Apply
- Fixed device does not show P20713 option in Chinese Web UI

ENHANCEMENTS:

- Added support to announce the registration number via feature code
- Added SYSLOG message when Registration LED goes out
- Added support for NAT transfer feature. Added web UI option “SIP REGISTER Contact Header Uses”
- Added support to configure the ringing voltage and frequency
- Added support to configure DTMF generation timing. Added web UI option "Generate Continuous RFC2833 Events" on web UI
- Added configurable RFC 3261 timer D length support
- Added 911 emergency call support
- Added %MODEL% support for provisioning