MC60 min. UART lines to use for SMS/CALL and GPRS


I need to finish pcb project, and I need to have more mcu lines to use. I connect all UART lines from MC60 in this moment, but maybe I dont use all of it for SMS/CALL or GPRS data ?
Could You tell me that RXD, TXD an RI signals are enaugh to use with SMS/CALL and GPRS ?
Setting: 115200bps, 1 start bit, 1 stop bit and 1 parrity bit.
Thans for any help :).

Hi Ice_m:
If you just want to use SMS/CALL and GPRS functionality, I think RXD, TXD an RI signals are enough.

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