Change Barcode 128 B to 128 C

Hi Experts,

At present i am using bar code 128 ,is this by default being bar code 128 B ?

I have information in bar code

1. constant *4048

2. account number

3. amount

4. date

customer wants * to be in bar code 128 B and remaining character from 4048.......up to Date to be in Bar code 128 C for this switching of bar code 128 B to C is required .

Could you please let me know how can i achieve this ?

Thanks
jitendra