Auto call answer with huawei modem

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http://unix.stackexchange.com – I have problem with call auto answer in modem Huawei E303. On modems E173 auto call anwer is working fine. But on Huawei E303 it's not working. Steps that i do: Open kermit: set line /dev/ttyUSB0 set carrier-watch off c then i type AT command for answer on first ring: ATS0=1 and when i'm calling on that modem nothing happens. So question is is there something that can be done to make it auto answer or it's a hardware restriction ? i know that on E303 voice is enabled, and i can make call with it by typing ATDT XX_MY_NUMBER; (HowTos)