Pre-dial and error correction,the pre-dial length is 32 bits,support electronic calendar,date,clock and week display.
The dialing code is added by itself,and the outgoing code will be automatically pause.
FSK and DTMF caller ID,automatic detection,support caller number check,quick check,callback.
When dialing the number to check the number/check,the area code is filtered,and the area code length is 5 digits.
1 set of automatic IP,each set of memory length(including the solidified IP access number) is 32 bits.