* Make varible names lowercase. follows cf76c39e97
* Additional i30 fixs around FusionPBX and feature enhancements.
* Add dynamic memory key programming
* Add support for configuring time to leave switch relay open on i-series devices
* Add OSD parameters, fix egs_syslog, protect RTSP streams by default
* Allow Fanvil x6 template to dynamically provision DSS memory and expansion keys
* Expand Fanvil X6 template options to match latest firmware. Use more FusionPBX default settings.
* Remove TR069 CPE serial number from template
* Have template use the 'admin_name' and 'admin_pass' default settings for admin webui login
New variables for the DP750 to allow the following settings:
$grandstream_repeater_mode_enable
(Enables or disables repeater mode on DP750 base)
$grandstream_hanging_group_mode
(Allows users to set hanging group mode (e.g. ring handsets at the same time, sequentially, etc.)
$grandstream_handset_X_line_Y_enable
(Allows setting of handset to line assignment)
Add the following advanced SIP variable. Disabling this allows Yealink phones to display the SIP error reason in the format sent by the carrier rather than Q.850 format e.g. "User Busy" rather than "NORMAL_CLEARING"
sip.call_fail_use_reason.enable = {$yealink_sip_call_fail_use_reason_enable}