Interfacing BT Module HC-06 and GSM Module SIM 808 EVB-V3.2.2 at the same time

[BenediktK]

Oh and I read the posts that already exist in this forum and a little bit more:

• USING BOTH A BLUETOOTH MODULE (HC-05) & GSM(SIM 900) Shield ON ARDUINO MEGA - Home Automation - Arduino Forum
• SIM 808 GSM GPRS Module - ePro Labs WiKi
• AltSoftSerial Library, for an extra serial port