hello when i execute this command " sudo slmodemd -c IRAN --alsa modem:1 " its result : error: mixer setup: Off-hook switch not found for card hw:1 ALSA lib confmisc.c:1286:(snd_func_refer) Unable to find definition 'cards.MPU-401 UART.pcm.modem.0:CARD=1' ALSA lib conf.c:3510:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:3982:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline:CARD=1,DEV=0 error: alsa setup: cannot open playback device 'modem:1': No such file or directory error: cannot setup device `modem:1' before this i download the " sl-modem-daemon_2.9.10+2.9.9d+e-pre2-5ubuntu4_i386.deb " package and install on ubuntu. help me
