~ # cat /etc/ppp/options nolock ~ # cat /etc/ppp/peers/hl78xx noauth connect "/usr/sbin/chat -v -t 5 -f /etc/chatscripts/hl78xx-chat" debug /dev/ttyACM1 115200 defaultroute noipdefault noipv6 usepeerdns lcp-echo-interval 20 noaccomp ~ # ~ # cat /etc/chatscripts/hl78xx-chat ABORT BUSY ABORT "NO CARRIER" ABORT VOICE ABORT "NO DIALTONE" ABORT "NO ANSWER" ABORT DELAYED ABORT ERROR TIMEOUT 10 "" AT OK "ATD*99***1#" CONNECT ~ # socat - /dev/ttyACM0,crnl ati9 ati9 HL7800.4.6.8 HL78xx.4.6.8.0.RK_02_01_02_00_128.20210213 2021/02/13 02:54:56 IMEI-SV: 3546160908827513 Legato RTOS: 18.09.6.ALT1250.rc4 2020/10/06 17:52:39 atSwi: 43.00 UBOOT: 01.03 Apps: RKAPP_02_01_02_00_117__accfd760c9dbf0f87bb2abbca37dbb404d2958a2 MAC: ALT1250_02_01_02_00_116_FW PHY: 12.50.241281 PMP: 258210 SBUB: 1 SBFW: 1 RPuK: 53F7A48A FPuK: 139A8E70 RBUB: 0 RBFW: 0 OK at+cops=0 at+cops=0 OK +CEREG: 2 +CREG: 2 +CEREG: 2 +CREG: 2 +CEREG: 0 +CREG: 0 +CEREG: 2 +CREG: 2 +CEREG: 1,"ED81","00BAA50B",7 +CREG: 1,"ED81","00BAA50B",7 at+cgcontrdp at+cgcontrdp +CGCONTRDP: 1,5,"XXXXXX.XXX.XXXXXX.XXXXXX.XXXX",10.35.137.211.255.255.255.248,10.35.137.209,194.151.228.34,194.151.228.18,,,,,,,,, OK at+cereg? at+cer +CEREG: 2,1,"ED81","00DF490C",7 OK eg? +CEREG: 1,"ED81","00DF490C",7 +CREG: 1,"ED81","00DF490C",7 ~ # pppd call hl78xx ~ # pppd call hl78xx ~ # pppd call hl78xx ~ # pppd call hl78xx