1. Fixed an IAX2 "Send Text" command bug
2. Added load and store default settings function in main program menu
3. Moved GP1260(AR168G)/GP1266/GP2266 factory test to main program menu
4. Omitted receiving UDP&TCP check sum check to boost performance
5. Added Davicom DM9003 support
6. Fixed an ip fragment memory allocation bug
7. Improved G.726 32kpbs voice quality
8. Added call-waiting tone
9. Changed part of SetHighSpeed() to more detailed SetZ80Speed() function
10. Improved Speex performance
