Release notes:
Many improvements of FXO port functionality
Better T.38 compatibility (SIP reuse of port number when media type changes)
Correction of IX78 with non enabled WLAN
orrection of flow handling after ADSL retrain
SIP DID (Direct Inwards Dialing) improved
DHCP correction when using many WAN interfaces
SIP DNS SRV redundancy while primary SIP server down corrected
SIP FENT when users behind same NAT improved
SIP FENT through B2BUA corrected
SIP Loose Routing setting now default enabled
Web based configuration wizard for PBX settings
SIP FROM-based routing in SIP trunking scenarios
FXS-port ring notification when other phones ring
Option to keep outside SIP port number unchanged within a session
Setting for response to SIP-registrations at WAN link down
RTSP proxy can now be turned on/off
A web page with unit information in GUI under Help
Option to force ADSL SNR margin on ADSL Advanced pages
Empty PPP username and password allowed
Other SIP improvements
Other minor improvements
