1. Alex Gradinar (Alex.Gradinar at cartel.md) added Russian and Romanian support, with extended chars input update.
2. Added using 'Left' key as 'Cancel', 'Menu' key as 'OK' to navigate thru menu (by Alex).
3. Extended the size of INPUT html tag of phonebook and digitmap to 32 (by Alex).
4. Fixed a response code bug of SIP MESSAGE request.
5. Fixed an auto-provision digitmap bug.
6. Fixed a Spanish web page bug.
7. Improved HOOK and Keypad detection.
8. Added high-level UART communication protocol for AR168M VOIP module.
9. Added simple IVR support for device without LCD.
10. Fixed a day light saving bug.
