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Good morning, attached asterisk capture of a call made from issabel by a dongle, the call is made but I do not have audio in any way.

-- Called dongle/dongle0/655463605
-- Dongle/dongle0-0100000003 is making progress passing it to SIP/1101-00000001
[2018-04-26 11:53:11] ERROR[4423]: at_response.c:472 at_response_error: [dongle0] ATDDSETEX failed
> 0x7fb224033d70 -- Strict RTP switching to RTP remote address 172.16.0.211:4000 as source
> 0x7fb224033d70 -- Strict RTP learning complete - Locking on source address 172.16.0.211:4000
== Everyone is busy/congested at this time (1:1/0/0)
-- Executing [s@macro-dialout-trunk:31] NoOp("SIP/1101-00000001", "Dial failed for some reason with DIALSTATUS = BUSY and HANGUPCAUSE = 17") in new stack
-- Executing [s@macro-dialout-trunk:32] GotoIf("SIP/1101-00000001", "0?continue,1:s-BUSY,1") in new stack
-- Goto (macro-dialout-trunk,s-BUSY,1)
-- Executing [s-BUSY@macro-dialout-trunk:1] NoOp("SIP/1101-00000001", "Dial failed due to trunk reporting BUSY - giving up") in new stack
-- Executing [s-BUSY@macro-dialout-trunk:2] PlayTones("SIP/1101-00000001", "busy") in new stack
-- Executing [s-BUSY@macro-dialout-trunk:3] Busy("SIP/1101-00000001", "20") in new stack
== Spawn extension (macro-dialout-trunk, s-BUSY, 3) exited non-zero on 'SIP/1101-00000001' in macro 'dialout-trunk'
== Spawn extension (from-internal, 655463605, 5) exited non-zero on 'SIP/1101-00000001'
-- Executing [h@from-internal:1] Hangup("SIP/1101-00000001", "") in new stack
== Spawn extension (from-internal, h, 1) exited non-zero on 'SIP/1101-00000001'
-- Executing [1101@default:1] Set("Dongle/dongle0-0100000004", "RINGTIMER=15") in new stack
-- Executing [1101@default:2] Macro("Dongle/dongle0-0100000004", "exten-vm,novm,1101,0,0,0") in new stack
-- Executing [s@macro-exten-vm:1] Macro("Dongle/dongle0-0100000004", "user-callerid,") in new stack
-- Executing [s@macro-user-callerid:1] Set("Dongle/dongle0-0100000004", "TOUCH_MONITOR=1524736430.10") in new stack
-- Executing [s@macro-user-callerid:2] Set("Dongle/dongle0-0100000004", "AMPUSER=961152743") in new stack
-- Executing [s@macro-user-callerid:3] GotoIf("Dongle/dongle0-0100000004", "0?report") in new stack
-- Executing [s@macro-user-callerid:4] ExecIf("Dongle/dongle0-0100000004", "1?Set(REALCALLERIDNUM=961152743)") in new stack
-- Executing [s@macro-user-callerid:5] Set("Dongle/dongle0-0100000004", "AMPUSER=") in new stack
-- Executing [s@macro-user-callerid:6] GotoIf("Dongle/dongle0-0100000004", "0?limit") in new stack
-- Executing [s@macro-user-callerid:7] Set("Dongle/dongle0-0100000004", "AMPUSERCIDNAME=") in new stack
-- Executing [s@macro-user-callerid:8] GotoIf("Dongle/dongle0-0100000004", "1?report") in new stack
-- Goto (macro-user-callerid,s,15)
-- Executing [s@macro-user-callerid:15] GotoIf("Dongle/dongle0-0100000004", "0?continue") in new stack
-- Executing [s@macro-user-callerid:16] Set("Dongle/dongle0-0100000004", "
TTL=64") in new stack
-- Executing [s@macro-user-callerid:17] GotoIf("Dongle/dongle0-0100000004", "1?continue") in new stack
-- Goto (macro-user-callerid,s,28)
-- Executing [s@macro-user-callerid:28] Set("Dongle/dongle0-0100000004", "CALLERID(number)=961152743") in new stack
-- Executing [s@macro-user-callerid:29] Set("Dongle/dongle0-0100000004", "CALLERID(name)=dongle0") in new stack
-- Executing [s@macro-user-callerid:30] Set("Dongle/dongle0-0100000004", "CDR(cnum)=961152743") in new stack
-- Executing [s@macro-user-callerid:31] Set("Dongle/dongle0-0100000004", "CDR(cnam)=dongle0") in new stack
-- Executing [s@macro-user-callerid:32] Set("Dongle/dongle0-0100000004", "CHANNEL(language)=en") in new stack
-- Executing [s@macro-exten-vm:2] Set("Dongle/dongle0-0100000004", "RingGroupMethod=none") in new stack
-- Executing [s@macro-exten-vm:3] Set("Dongle/dongle0-0100000004", "EXTTOCALL=1101") in new stack
-- Executing [s@macro-exten-vm:4] Set("Dongle/dongle0-0100000004", "
PICKUPMARK=1101") in new stack
-- Executing [s@macro-exten-vm:5] Set("Dongle/dongle0-0100000004", "RT=") in new stack
-- Executing [s@macro-exten-vm:6] Gosub("Dongle/dongle0-0100000004", "sub-record-check,s,1(exten,1101,)") in new stack
-- Executing [s@sub-record-check:1] Set("Dongle/dongle0-0100000004", "REC_POLICY_MODE_SAVE=") in new stack
-- Executing [s@sub-record-check:2] GotoIf("Dongle/dongle0-0100000004", "1?check") in new stack
-- Goto (sub-record-check,s,7)
-- Executing [s@sub-record-check:7] Set("Dongle/dongle0-0100000004", "MON_FMT=WAV") in new stack
-- Executing [s@sub-record-check:8] GotoIf("Dongle/dongle0-0100000004", "1?next") in new stack
-- Goto (sub-record-check,s,11)
-- Executing [s@sub-record-check:11] ExecIf("Dongle/dongle0-0100000004", "0?Return()") in new stack
-- Executing [s@sub-record-check:12] ExecIf("Dongle/dongle0-0100000004", "0?Set(
REC_POLICY_MODE=)") in new stack
-- Executing [s@sub-record-check:13] GotoIf("Dongle/dongle0-0100000004", "0?exten,1") in new stack
-- Executing [s@sub-record-check:14] Set("Dongle/dongle0-0100000004", "REC_STATUS=INITIALIZED") in new stack
-- Executing [s@sub-record-check:15] Set("Dongle/dongle0-0100000004", "NOW=1524736430") in new stack
-- Executing [s@sub-record-check:16] Set("Dongle/dongle0-0100000004", "
DAY=26") in new stack
-- Executing [s@sub-record-check:17] Set("Dongle/dongle0-0100000004", "MONTH=04") in new stack
-- Executing [s@sub-record-check:18] Set("Dongle/dongle0-0100000004", "
YEAR=2018") in new stack
-- Executing [s@sub-record-check:19] Set("Dongle/dongle0-0100000004", "TIMESTR=20180426-115350") in new stack
-- Executing [s@sub-record-check:20] Set("Dongle/dongle0-0100000004", "
FROMEXTEN=961152743") in new stack
-- Executing [s@sub-record-check:21] Set("Dongle/dongle0-0100000004", "CALLFILENAME=exten-1101-961152743-20180426-115350-1524736430.10") in new stack
-- Executing [s@sub-record-check:22] Goto("Dongle/dongle0-0100000004", "exten,1") in new stack
-- Goto (sub-record-check,exten,1)
-- Executing [exten@sub-record-check:1] GotoIf("Dongle/dongle0-0100000004", "0?callee") in new stack
-- Executing [exten@sub-record-check:2] Set("Dongle/dongle0-0100000004", "
REC_POLICY_MODE=dontcare") in new stack
-- Executing [exten@sub-record-check:3] GotoIf("Dongle/dongle0-0100000004", "1?caller") in new stack
-- Goto (sub-record-check,exten,10)
-- Executing [exten@sub-record-check:10] Set("Dongle/dongle0-0100000004", "REC_POLICY_MODE=") in new stack
-- Executing [exten@sub-record-check:11] GosubIf("Dongle/dongle0-0100000004", "0?record,1(exten,1101,961152743)") in new stack
-- Executing [exten@sub-record-check:12] Return("Dongle/dongle0-0100000004", "") in new stack
-- Executing [s@macro-exten-vm:7] Macro("Dongle/dongle0-0100000004", "dial-one,,Ttr,1101") in new stack
-- Executing [s@macro-dial-one:1] Set("Dongle/dongle0-0100000004", "DEXTEN=1101") in new stack
-- Executing [s@macro-dial-one:2] Set("Dongle/dongle0-0100000004", "DIALSTATUS_CW=") in new stack
-- Executing [s@macro-dial-one:3] GosubIf("Dongle/dongle0-0100000004", "0?screen,1()") in new stack
-- Executing [s@macro-dial-one:4] GosubIf("Dongle/dongle0-0100000004", "0?cf,1()") in new stack
-- Executing [s@macro-dial-one:5] GotoIf("Dongle/dongle0-0100000004", "1?skip1") in new stack
-- Goto (macro-dial-one,s,8)
-- Executing [s@macro-dial-one:8] GotoIf("Dongle/dongle0-0100000004", "0?nodial") in new stack
-- Executing [s@macro-dial-one:9] GotoIf("Dongle/dongle0-0100000004", "0?continue") in new stack
-- Executing [s@macro-dial-one:10] Set("Dongle/dongle0-0100000004", "EXTHASCW=ENABLED") in new stack
-- Executing [s@macro-dial-one:11] GotoIf("Dongle/dongle0-0100000004", "0?next1:cwinusebusy") in new stack
-- Goto (macro-dial-one,s,23)
-- Executing [s@macro-dial-one:23] GotoIf("Dongle/dongle0-0100000004", "1?next3:continue") in new stack
-- Goto (macro-dial-one,s,24)
-- Executing [s@macro-dial-one:24] ExecIf("Dongle/dongle0-0100000004", "0?Set(DIALSTATUS_CW=BUSY)") in new stack
-- Executing [s@macro-dial-one:25] GotoIf("Dongle/dongle0-0100000004", "0?nodial") in new stack
-- Executing [s@macro-dial-one:26] GosubIf("Dongle/dongle0-0100000004", "1?dstring,1():dlocal,1()") in new stack
-- Executing [dstring@macro-dial-one:1] Set("Dongle/dongle0-0100000004", "DSTRING=") in new stack
-- Executing [dstring@macro-dial-one:2] Set("Dongle/dongle0-0100000004", "DEVICES=1101") in new stack
-- Executing [dstring@macro-dial-one:3] ExecIf("Dongle/dongle0-0100000004", "0?Return()") in new stack
-- Executing [dstring@macro-dial-one:4] ExecIf("Dongle/dongle0-0100000004", "0?Set(DEVICES=101)") in new stack
-- Executing [dstring@macro-dial-one:5] Set("Dongle/dongle0-0100000004", "LOOPCNT=1") in new stack
-- Executing [dstring@macro-dial-one:6] Set("Dongle/dongle0-0100000004", "ITER=1") in new stack
-- Executing [dstring@macro-dial-one:7] Set("Dongle/dongle0-0100000004", "THISDIAL=SIP/1101") in new stack
-- Executing [dstring@macro-dial-one:8] GosubIf("Dongle/dongle0-0100000004", "1?zap2dahdi,1()") in new stack
-- Executing [zap2dahdi@macro-dial-one:1] ExecIf("Dongle/dongle0-0100000004", "0?Return()") in new stack
-- Executing [zap2dahdi@macro-dial-one:2] Set("Dongle/dongle0-0100000004", "NEWDIAL=") in new stack
-- Executing [zap2dahdi@macro-dial-one:3] Set("Dongle/dongle0-0100000004", "LOOPCNT2=1") in new stack
-- Executing [zap2dahdi@macro-dial-one:4] Set("Dongle/dongle0-0100000004", "ITER2=1") in new stack
-- Executing [zap2dahdi@macro-dial-one:5] Set("Dongle/dongle0-0100000004", "THISPART2=SIP/1101") in new stack
-- Executing [zap2dahdi@macro-dial-one:6] ExecIf("Dongle/dongle0-0100000004", "0?Set(THISPART2=DAHDI/1101)") in new stack
-- Executing [zap2dahdi@macro-dial-one:7] Set("Dongle/dongle0-0100000004", "NEWDIAL=SIP/1101&") in new stack
-- Executing [zap2dahdi@macro-dial-one:8] Set("Dongle/dongle0-0100000004", "ITER2=2") in new stack
-- Executing [zap2dahdi@macro-dial-one:9] GotoIf("Dongle/dongle0-0100000004", "0?begin2") in new stack
-- Executing [zap2dahdi@macro-dial-one:10] Set("Dongle/dongle0-0100000004", "THISDIAL=SIP/1101") in new stack
-- Executing [zap2dahdi@macro-dial-one:11] Return("Dongle/dongle0-0100000004", "") in new stack
-- Executing [dstring@macro-dial-one:9] Set("Dongle/dongle0-0100000004", "DSTRING=SIP/1101&") in new stack
-- Executing [dstring@macro-dial-one:10] Set("Dongle/dongle0-0100000004", "ITER=2") in new stack
-- Executing [dstring@macro-dial-one:11] GotoIf("Dongle/dongle0-0100000004", "0?begin") in new stack
-- Executing [dstring@macro-dial-one:12] Set("Dongle/dongle0-0100000004", "DSTRING=SIP/1101") in new stack
-- Executing [dstring@macro-dial-one:13] Return("Dongle/dongle0-0100000004", "") in new stack
-- Executing [s@macro-dial-one:27] GotoIf("Dongle/dongle0-0100000004", "0?nodial") in new stack
-- Executing [s@macro-dial-one:28] GotoIf("Dongle/dongle0-0100000004", "0?skiptrace") in new stack
-- Executing [s@macro-dial-one:29] GosubIf("Dongle/dongle0-0100000004", "1?ctset,1():ctclear,1()") in new stack
-- Executing [ctset@macro-dial-one:1] Set("Dongle/dongle0-0100000004", "DB(CALLTRACE/1101)=961152743") in new stack
-- Executing [ctset@macro-dial-one:2] Return("Dongle/dongle0-0100000004", "") in new stack
-- Executing [s@macro-dial-one:30] Set("Dongle/dongle0-0100000004", "D_OPTIONS=Ttr") in new stack
-- Executing [s@macro-dial-one:31] ExecIf("Dongle/dongle0-0100000004", "0?SIPAddHeader(Alert-Info: )") in new stack
-- Executing [s@macro-dial-one:32] ExecIf("Dongle/dongle0-0100000004", "0?SIPAddHeader()") in new stack
-- Executing [s@macro-dial-one:33] ExecIf("Dongle/dongle0-0100000004", "0?Set(CHANNEL(musicclass)=)") in new stack
-- Executing [s@macro-dial-one:34] GosubIf("Dongle/dongle0-0100000004", "0?qwait,1()") in new stack
-- Executing [s@macro-dial-one:35] Set("Dongle/dongle0-0100000004", "
CWIGNORE=") in new stack
-- Executing [s@macro-dial-one:36] Set("Dongle/dongle0-0100000004", "__KEEPCID=TRUE") in new stack
-- Executing [s@macro-dial-one:37] GotoIf("Dongle/dongle0-0100000004", "0?usegoto,1") in new stack
-- Executing [s@macro-dial-one:38] GotoIf("Dongle/dongle0-0100000004", "1?godial") in new stack
-- Goto (macro-dial-one,s,43)
-- Executing [s@macro-dial-one:43] Dial("Dongle/dongle0-0100000004", "SIP/1101,,Ttr") in new stack
== Using SIP RTP TOS bits 184
== Using SIP RTP CoS mark 5
-- Called SIP/1101
[2018-04-26 11:53:50] WARNING[4440][C-00000006]: channel.c:1002 channel_indicate: [Dongle/dongle0-0100000004] Don't know how to indicate condition 22
[2018-04-26 11:53:50] WARNING[4440][C-00000006]: channel.c:1002 channel_indicate: [Dongle/dongle0-0100000004] Don't know how to indicate condition 22
[2018-04-26 11:53:50] WARNING[4440][C-00000006]: channel.c:1002 channel_indicate: [Dongle/dongle0-0100000004] Don't know how to indicate condition 33
[2018-04-26 11:53:51] WARNING[4440][C-00000006]: channel.c:1002 channel_indicate: [Dongle/dongle0-0100000004] Don't know how to indicate condition 33
-- SIP/1101-00000002 is ringing
[2018-04-26 11:53:51] WARNING[4440][C-00000006]: channel.c:1002 channel_indicate: [Dongle/dongle0-0100000004] Don't know how to indicate condition 33
-- SIP/1101-00000002 is ringing
> 0x7fb21c032730 -- Strict RTP learning after remote address set to: 172.16.0.211:4002
[2018-04-26 11:54:02] WARNING[4440][C-00000006]: channel.c:1002 channel_indicate: [Dongle/dongle0-0100000004] Don't know how to indicate condition 33
[2018-04-26 11:54:02] WARNING[4440][C-00000006]: channel.c:1002 channel_indicate: [Dongle/dongle0-0100000004] Don't know how to indicate condition 22
-- SIP/1101-00000002 answered Dongle/dongle0-0100000004
> 0x7fb21c032730 -- Strict RTP switching to RTP remote address 172.16.0.211:4002 as source
[2018-04-26 11:54:02] ERROR[4423]: at_response.c:472 at_response_error: [dongle0] ATDDSETEX failed
> 0x7fb21c032730 -- Strict RTP learning complete - Locking on source address 172.16.0.211:4002
-- Executing [h@macro-dial-one:1] Macro("Dongle/dongle0-0100000004", "hangupcall,") in new stack
-- Executing [s@macro-hangupcall:1] GotoIf("Dongle/dongle0-0100000004", "1?endmixmoncheck") in new stack
-- Goto (macro-hangupcall,s,20)
-- Executing [s@macro-hangupcall:20] NoOp("Dongle/dongle0-0100000004", "End of MIXMON check") in new stack
-- Executing [s@macro-hangupcall:21] GotoIf("Dongle/dongle0-0100000004", "1?nomeetmemon") in new stack
-- Goto (macro-hangupcall,s,39)
-- Executing [s@macro-hangupcall:39] NoOp("Dongle/dongle0-0100000004", "End of MEETME check") in new stack
-- Executing [s@macro-hangupcall:40] GotoIf("Dongle/dongle0-0100000004", "1?noautomon") in new stack
-- Goto (macro-hangupcall,s,45)
-- Executing [s@macro-hangupcall:45] NoOp("Dongle/dongle0-0100000004", "TOUCH_MONITOR_OUTPUT=") in new stack
-- Executing [s@macro-hangupcall:46] GotoIf("Dongle/dongle0-0100000004", "1?noautomon2") in new stack
-- Goto (macro-hangupcall,s,52)
-- Executing [s@macro-hangupcall:52] NoOp("Dongle/dongle0-0100000004", "MONITOR_FILENAME=") in new stack
-- Executing [s@macro-hangupcall:53] GotoIf("Dongle/dongle0-0100000004", "1?noautomon3") in new stack
-- Goto (macro-hangupcall,s,59)
-- Executing [s@macro-hangupcall:59] NoOp("Dongle/dongle0-0100000004", "MIXMONITOR_FILENAME=") in new stack
-- Executing [s@macro-hangupcall:60] GotoIf("Dongle/dongle0-0100000004", "1?noautomon4") in new stack
-- Goto (macro-hangupcall,s,62)
-- Executing [s@macro-hangupcall:62] NoOp("Dongle/dongle0-0100000004", "ONETOUCH_RECFILE=") in new stack
-- Executing [s@macro-hangupcall:63] NoOp("Dongle/dongle0-0100000004", "CDR recordingfile set to: ") in new stack
-- Executing [s@macro-hangupcall:64] GotoIf("Dongle/dongle0-0100000004", "1?skiprg") in new stack
-- Goto (macro-hangupcall,s,67)
-- Executing [s@macro-hangupcall:67] GotoIf("Dongle/dongle0-0100000004", "1?skipblkvm") in new stack
-- Goto (macro-hangupcall,s,70)
-- Executing [s@macro-hangupcall:70] GotoIf("Dongle/dongle0-0100000004", "1?theend") in new stack
-- Goto (macro-hangupcall,s,72)
-- Executing [s@macro-hangupcall:72] AGI("Dongle/dongle0-0100000004", "hangup.agi") in new stack
-- Launched AGI Script /var/lib/asterisk/agi-bin/hangup.agi
-- <Dongle/dongle0-0100000004>AGI Script hangup.agi completed, returning 0
-- Executing [s@macro-hangupcall:73] Hangup("Dongle/dongle0-0100000004", "") in new stack
== Spawn extension (macro-hangupcall, s, 73) exited non-zero on 'Dongle/dongle0-0100000004' in macro 'hangupcall'
== Spawn extension (macro-dial-one, h, 1) exited non-zero on 'Dongle/dongle0-0100000004'
== Spawn extension (macro-dial-one, s, 43) exited non-zero on 'Dongle/dongle0-0100000004' in macro 'dial-one'
== Spawn extension (macro-exten-vm, s, 7) exited non-zero on 'Dongle/dongle0-0100000004' in macro 'exten-vm'
== Spawn extension (default, 1101, 2) exited non-zero on 'Dongle/dongle0-0100000004'
-- Remote UNIX connection
-- Remote UNIX connection disconnected
issabelPBX*CLI>

and when I look at the characteristics of the dongle with dongle show device state dongle0 answers me this:

issabelPBX*CLI> dongle show device state dongle0
-------------- Status -------------
Device : dongle0
State : Free
Audio : /dev/ttyUSB0
Data : /dev/ttyUSB1
Voice : Yes
SMS : Yes
Manufacturer : huawei
Model : E156G
Firmware : 11.608.08.81.00
IMEI : 357133031008707
IMSI : 214075525622487
GSM Registration Status : Registered, home network
RSSI : 16, -81 dBm
Mode : No Service
Submode : No service
Provider Name : FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
Location area code : 1236
Cell ID : 1163
Subscriber Number : Unknown
SMS Service Center : +34609090909
Use UCS-2 encoding : Yes
USSD use 7 bit encoding : No
USSD use UCS-2 decoding : Yes
Tasks in queue : 0
Commands in queue : 0
Call Waiting : Disabled
Current device state : start
Desired device state : start
When change state : now
Calls/Channels : 0
Active : 0
Held : 0
Dialing : 0
Alerting : 0
Incoming : 0
Waiting : 0
Releasing : 0
Initializing : 0

issabelPBX*CLI>

Thanks for the help you can give me

    15 days later

    My Issabel is dongled!!!!!!

    thanks.

      thanks, please write instalation by users new.

        Good morning, I just followed the instructions of the post that explains it, what happens is that I had a problem with the audio in the calls and I solved it by downloading a firmware version for my modem from another model with the same chip so that the voice function. I have a Huawei e156G modem, and I put the E160Update_11.609.10.02.432.B418.exe firmware version of an e160 model that carries the same chip.

        Thank you all for your help, let's keep growing ...

        7 months later

        darkside

        hi. my issabel is: Asterisk 13.22.0 built by issabel @ issabeldev8 on a x86_64 running Linux on 2018-08-30 13:58:00 UTC

        but when I execute the command: rpm -ivh http://download.kingtelecom.com.br/download/chan_dongle-asterisk-11.25-0-rev34.x86_64.rpm

        Error: Dependency error:
        asterisk-devel is required by chan_dongle-asterisk-11.25.0-rev34.x86_64

        I run yum install asterisk-devel, the server is reinstalled, I return to give it to download the program and I get dependency error again.

        could you help me?

        asterisk 13 your issabelpbx, and install asterisk11 dongle?

          dariohimo

          hi my issabel is:
          [root@issabel etc]# rasterisk -x "core show version"
          Asterisk 13.22.0 built by issabel @ issabeldev8 on a x86_64 running Linux on 2018-08-30 13:58:00 UTC

          and I want to install a huawei mobile broadband e173

          [root@issabel etc]# lsusb
          Bus 001 Device 007: ID 12d1:140c Huawei Technologies Co., Ltd. E180v
          I want chan dongle to work
          can you help?

            chan_dongle-asterisk-11.25.0-rev34.x86_64

              the version package is chan_dongle-asterisk-11.25.0-rev34.x86_64 (asterisk11) your server is asterisk13.
              not working different versions.
              Os is centos 7, package install os.

                dariohimo

                There is a more current version for chan_dongle-asterisk-11.25.0-rev34.x86_64 (asterisk11).

                to work with my server?

                  jlebr you have to compile chan_dongle for your asterisk (just google howto) or reinstall your issabel and choose asterisk11 during installation.

                    12 days later

                    hello darkside , I'm very new to all of pbx issabel, I'm trying to connect my huawei e1752 to receive and make calls. I followed your instructions but I could not connect the device. my huawei e1752, can make and receive calls from Mobile Partner, I've already done it. but I want to make a telephone exchange with Issabel to call and receive. I'd appreciate your help

                    issabelPBX * CLI> dongle show device state dongle0
                    -------------- Status -------------
                      Device: dongle0
                      State: Not connected Start scheduled
                      Audio: / dev / ttyUSB1
                      Data: / dev / ttyUSB2
                      Voice: No
                      SMS: No
                      Manufacturer:
                      Model:
                      Firmware:
                      IMEI:
                      IMSI:
                      GSM Registration Status: Unknown
                      RSSI: 0, <= -113 dBm
                      Mode: No Service
                      Submode: No service
                      Provider Name: NONE
                      Location area code:
                      Cell ID:
                      Subscriber Number: Unknown
                      SMS Service Center:
                      Use UCS-2 encoding: No
                      USSD use 7 bit encoding: No
                      USSD use UCS-2 decoding: Yes
                      Tasks in queue: 0
                      Commands in queue: 0
                      Call Waiting: Disabled
                      Current device state: stop
                      Desired device state: start
                      When change state: now
                      Calls / Channels: 0
                        Active: 0
                        Held: 0
                        Dialing: 0
                        Alerting: 0
                        Incoming: 0
                        Waiting: 0
                        Releasing: 0
                        Initializing: 0

                    VERSION ISSABEL

                    Kernel
                       Linux (x86_64) -3.10.0-862.6.3.el7.x86_64

                     Issabel
                       issabel-4.0.0-1
                       issabel-addons-4.0.0-4
                       issabel-agenda-4.0.0-3
                       issabel-asterisk-sounds-1.2.3-2
                       issabel-callcenter-4.0.0-4
                       issabel-email_admin-4.0.0-2
                       issabel-endpointconfig2-4.0.0-3
                       issabel-extras-4.0.0-4
                       issabel-fax-4.0.0-1
                       issabel-firstboot-4.0.0-3
                       issabel-framework-4.0.0-6
                       issabel-my_extension-4.0.0-1
                       issabel-pbx-4.0.0-5
                       issabel-portknock-4.0.0-2
                       issabel-reports-4.0.0-3
                       issabel-security-4.0.0-6
                       issabel-system-4.0.0-7

                     RoundCubeMail
                       RoundCubeMail-0.3.1-13

                     Mail
                       postfix-2.10.1-6.el7
                       cyrus-imapd-2.4.17-13.el7

                     IM
                       openfire- (not installed) -

                     IssablPBX
                       issabelPBX-2.11.0-47

                     Asterisk
                       asterisk11-11.25.3-3.el7.centos
                       asterisk11-addons-11.25.3-3.el7.centos
                       asterisk11-devel-11.25.3-3.el7.centos
                       asterisk-es-sounds-1.0.0-0.el7.centos
                       asterisk-fr-sounds-1.0.0-0.el7.centos
                       asterisk-perl-1.03-1.el7.centos

                     FAX
                       hylafax-4.3.11-1rh7
                       iaxmodem-1.3.0-2.el7.centos

                     DRIVERS
                       dahdi-2.11.1-1.el7.centos
                       rhino-0.99.7-0
                       wanpipe-util-7.0.25.1-0

                    ggrraay Hello thank you, I'm very new to Linux, but I'm learning. I like it. wait for me. trying to do what you asked me

                      ggrraay the PuTTY console is great. I just installed it.
                      here what is requested


                      [root@issabel ~]# lsusb
                      Bus 001 Device 003: ID 0bda:8179 Realtek Semiconductor Corp. RTL8188EUS 802.11n Wireless Network Adapter
                      Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
                      Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
                      [root@issabel ~]# ls /dev/ttyUSB
                      ls: no se puede acceder a /dev/ttyUSB
                      : No existe el fichero o el directorio
                      [root@issabel ~]#

                        emendoza For some reason there is no e1752 modem in usb devices list. Maybe you should try different usb port. Or maybe your issabel is in virtual machine? And second command should be
                        ls /dev/ttyUSB*

                          ggrraay I have cast the second command as you asked. ls / dev / ttyUSB *
                          the asterisk is not seen here when I put the result of the console. I do not know the reason.

                          Yes, I'm in a Virtualbox virtual machine. Any suggestions?

                            emendoza I tried chan_dongle in VirtualBox, sometimes it works, sometimes it doesn't work for 5 or 10 minutes, then it's again fine. Then I installed issabel on a real hardware and all issues just vanished. But VirtualBox is fine for tests perhaps.
                            To make modem appear you have to "passthrough" modem device in VirtualBox. It's usb icon at the bottom. You need device filter like this https://imgur.com/a/ZlPcNZX. Then modem should appear in lsusb