Add grandstream_missed_call_log, grandstream_missed_call_notification, grandstream_missed_call_backlight, grandstream_firmware_upgrade_protocol, grandstream_onhook_dial_barging, grandstream_transfer_mode_via_vpk, grandstream_enable_call_features.
Add condition on grandstream_distinctive_ringtone_name_1, and grandstream_distinctive_ringtone_name_2.
Update Connection request user/pw to work better with GDMS.
On grandstream_wallpaper_url, use current setting name on GRP2613