Hello,
We bought a large number of modules Sierra Wireless MC8790. And have problem with connection
from the log mikrotik and async, debug
00:24:33 async,ppp,info ppp-out1: initializing...
00:24:33 async,ppp,info ppp-out1: reseting link...
00:24:34 async,ppp,info ppp-out1: initializing modem...
00:24:35 async,ppp,info ppp-out1: dialing out...
00:24:35 async,ppp,debug ppp-out1: LCP lowerup
00:24:35 async,ppp,debug,packet ppp-out1: sent LCP ConfReq id=0xc
00:24:35 async,ppp,debug,packet <magic 0x4bed72de>
00:24:35 async,ppp,debug,packet <pcomp>
00:24:35 async,ppp,debug,packet <accomp>
00:24:35 async,ppp,debug ppp-out1: LCP open
00:24:35 async,ppp,debug,packet ppp-out1: rcvd LCP ConfReq id=0x3c
00:24:35 async,ppp,debug,packet <asyncmap 0x0>
00:24:35 async,ppp,debug,packet <magic 0x62f02a1>
00:24:35 async,ppp,debug,packet <pcomp>
00:24:35 async,ppp,debug,packet <accomp>
00:24:35 async,ppp,debug,packet <auth chap>
00:24:35 async,ppp,debug,packet ppp-out1: sent LCP ConfAck id=0x3c
00:24:35 async,ppp,debug,packet <asyncmap 0x0>
00:24:35 async,ppp,debug,packet <magic 0x62f02a1>
00:24:35 async,ppp,debug,packet <pcomp>
00:24:35 async,ppp,debug,packet <accomp>
00:24:35 async,ppp,debug,packet <auth chap>
00:24:35 async,ppp,debug,packet ppp-out1: rcvd LCP ConfAck id=0xc
00:24:35 async,ppp,debug,packet <magic 0x4bed72de>
00:24:35 async,ppp,debug,packet <pcomp>
00:24:35 async,ppp,debug,packet <accomp>
00:24:35 async,ppp,debug ppp-out1: LCP opened
00:24:35 async,ppp,debug,packet ppp-out1: rcvd LCP DiscReq id=0x3d
00:24:35 async,ppp,debug,packet <magic 0x62f02a1>
00:24:35 async,ppp,debug,packet ppp-out1: rcvd CHAP Challenge id=0x1
00:24:35 async,ppp,debug,packet <challenge len=10>
00:24:35 async,ppp,debug,packet <name UMTS_CHAP_SRVR>
00:24:35 async,ppp,debug,packet ppp-out1: sent CHAP Response id=0x1
00:24:35 async,ppp,debug,packet <response len=10>
00:24:35 async,ppp,debug,packet ppp-out1: rcvd CHAP Success id=0x1
00:24:35 async,ppp,info ppp-out1: authenticated
00:24:35 async,ppp,debug ppp-out1: IPCP lowerup
00:24:35 async,ppp,debug,packet ppp-out1: sent IPCP ConfReq id=0xc
00:24:35 async,ppp,debug,packet <addr 0.0.0.0>
00:24:35 async,ppp,debug,packet <ms-dns 0.0.0.0>
00:24:35 async,ppp,debug,packet <ms-dns 0.0.0.0>
00:24:35 async,ppp,debug ppp-out1: IPCP open
00:24:35 async,ppp,debug ppp-out1: IPV6CP open
00:24:35 async,ppp,debug ppp-out1: MPLSCP lowerup
00:24:35 async,ppp,debug,packet ppp-out1: sent MPLSCP ConfReq id=0xc
00:24:35 async,ppp,debug ppp-out1: MPLSCP open
00:24:35 async,ppp,debug ppp-out1: BCP open
00:24:35 async,ppp,debug ppp-out1: CCP lowerup
00:24:35 async,ppp,debug ppp-out1: CCP open
00:24:35 async,ppp,debug ppp-out1: LCP lowerdown
00:24:35 async,ppp,debug ppp-out1: LCP closed
00:24:35 async,ppp,debug ppp-out1: CCP lowerdown
00:24:35 async,ppp,debug ppp-out1: BCP lowerdown
00:24:35 async,ppp,debug ppp-out1: BCP down event in starting state
00:24:35 async,ppp,debug ppp-out1: IPCP lowerdown
00:24:35 async,ppp,debug ppp-out1: IPV6CP lowerdown
00:24:35 async,ppp,debug ppp-out1: IPV6CP down event in starting state
00:24:35 async,ppp,debug ppp-out1: MPLSCP lowerdown
00:24:35 async,ppp,info ppp-out1: terminating... - hungup
00:24:35 async,ppp,debug ppp-out1: LCP lowerdown
00:24:35 async,ppp,debug ppp-out1: LCP down event in starting state
00:24:35 async,ppp,info ppp-out1: disconnected

when I connect to PC - and tried to connect with AT command - log gives an error CME ERROR: 0 Phone failure

Maybe here is a specific AT command or some advice?
Help please.

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