This page will try to document my advanture in setup of GSM channel on Asterisk

Contents: [Dobrica Pavlinušić's random unstructured stuff]
• Dobrica Pavlinušić's random unstructured stuff (Information) 
• Dobrica Pavlinušić's random unstructured stuff (Mass‑storage switch) 
• Dobrica Pavlinušić's random unstructured stuff (Devices) 
• Dobrica Pavlinušić's random unstructured stuff (Huawei E171) 
• Dobrica Pavlinušić's random unstructured stuff (Check if voice is enabled) 
• Dobrica Pavlinušić's random unstructured stuff (Huawei E1752) 
• Dobrica Pavlinušić's random unstructured stuff (ZTE K3565‑Z) 
• Dobrica Pavlinušić's random unstructured stuff (ZTE MF626) 
• Dobrica Pavlinušić's random unstructured stuff (Huawei AT commands) 
• Dobrica Pavlinušić's random unstructured stuff (Source code) 

Information
• http://code.google.com/p/asterisk‑chan‑dongle/ 
• http://www.makhutov.org/svn/chan_datacard/trunk/ 
• http://wiki.e1550.mobi/ 
Mass‑storage switch
http://www.draisberghof.de/usb_modeswitch/ 
$ sudo apt-get install usb-modeswitch

Plugin modem again and you should get a bunch of serial ports:
[ 5445.108101] usb 2-2: new high speed USB device number 3 using ehci_hcd
[ 5445.242467] usb 2-2: New USB device found, idVendor=12d1, idProduct=1446
[ 5445.242477] usb 2-2: New USB device strings: Mfr=3, Product=2, SerialNumber=0
[ 5445.242484] usb 2-2: Product: HUAWEI Mobile
[ 5445.242489] usb 2-2: Manufacturer: HUAWEI Technology
[ 5445.244981] scsi7 : usb-storage 2-2:1.0
[ 5445.245515] scsi8 : usb-storage 2-2:1.1
[ 5446.017603] usb 2-2: USB disconnect, device number 3
[ 5450.036132] usb 2-2: new high speed USB device number 4 using ehci_hcd
[ 5450.170725] usb 2-2: New USB device found, idVendor=12d1, idProduct=1436
[ 5450.170736] usb 2-2: New USB device strings: Mfr=4, Product=3, SerialNumber=0
[ 5450.170743] usb 2-2: Product: HUAWEI Mobile
[ 5450.170748] usb 2-2: Manufacturer: HUAWEI Technology
[ 5450.175800] scsi14 : usb-storage 2-2:1.5
[ 5450.176793] scsi15 : usb-storage 2-2:1.6
[ 5450.271164] usbcore: registered new interface driver usbserial
[ 5450.271176] USB Serial support registered for generic
[ 5450.271234] usbcore: registered new interface driver usbserial_generic
[ 5450.271236] usbserial: USB Serial Driver core
[ 5450.296230] cdc_ether 2-2:1.1: wwan0: register 'cdc_ether' at usb-0000:00:1d.7-2, Mobile Broadband Network Device, 02:50:f3:00:00:00
[ 5450.296411] usbcore: registered new interface driver cdc_ether
[ 5450.362679] USB Serial support registered for GSM modem (1-port)
[ 5450.362792] option 2-2:1.0: GSM modem (1-port) converter detected
[ 5450.362908] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0
[ 5450.362928] option 2-2:1.3: GSM modem (1-port) converter detected
[ 5450.362987] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1
[ 5450.362997] option 2-2:1.4: GSM modem (1-port) converter detected
[ 5450.363051] usb 2-2: GSM modem (1-port) converter now attached to ttyUSB2
[ 5450.363073] usbcore: registered new interface driver option
[ 5450.363074] option: v0.7.2:USB Driver for GSM modems

Devices
Huawei E171
Found modem : E171
Model : Huawei E171
IMEI : 354807044078459
Serial NR. : 4BA5TA10B2706637
Firmware : 11.126.85.01.143
Compile date / time : Jun 21 2010 20:27:27
Dashboard version : UTPS11.300.05.15.143_MAC11.301.09.01.143
Chipset : Qualcomm MSM6290
Voice feature : disabled
SIM Lock status : unlocked
Wrong codes entered : 0 (unlock attempts left : 10)

Check if voice is enabled
ati
Manufacturer: huawei
Model: E171
Revision: 11.126.85.01.143
IMEI: 354807044078459
+GCAP: +CGSM,+DS,+ES

AT^CVOICE?
^CVOICE:0,8000,16,20

Huawei E1752
http://3g‑modem.wetpaint.com/page/Huawei+E1750%2C+E1750C%2C+E1752%2C+E1752C 
Found modem : E1752
Model : Huawei E1752
IMEI : 353145034241600
Serial NR. : O47NAA19A1600110
Firmware : 11.126.13.00.00
Compile date / time : Jul 05 2010 10:16:42
Dashboard version : UTPS11.300.05.22.56_MAC11.300.08.19.56
Chipset : Qualcomm MSM6290
Voice feature : disabled
SIM Lock status : unlocked
Wrong codes entered : 0 (unlock attempts left : 10)

ZTE K3565‑Z
http://3g‑modem.wetpaint.com/page/ZTE+K3565‑Z+(Vodafone )
Manufacturer: ZTE INCORPORATED
Model: K3565-Z
Revision: BD_P673A2V1.0.0B09
IMEI: 357867029244846
+GCAP: +CGSM,+DS,+ES

OK

AT^CVOICE=?
ERROR

ZTE MF626
Manufacturer: ZTE INCORPORATED
Model: MF626
Revision: BD_TMOP673M3V1.0.1B03
IMEI: 355364037442846
+GCAP: +CGSM,+DS,+ES

OK
AT^CVOICE=?
ERROR

Huawei AT commands
AT^CVOICE=0 Enable Voice
AT^CVOICE=1 Disable Voice
AT^CVOICE=? Check status
=========
AT^U2DIAG=0 – switch the device in modem mode only
AT^U2DIAG=1 – device in modem mode + CD-ROM
AT^U2DIAG=255 – modem mode + CD-ROM + Card Reader
AT^U2DIAG=256 – modem mode + Card Reader

http://wiki.e1550.mobi/doku.php?id=usage 
AT+CCWA=0,0,1   disable call-waiting
AT+CFUN=1,1     reboot modem
AT^CARDLOCK=”<code>”    send unlock code
AT^SYSCFG=13,0,3FFFFFFF,0,3     modem 2G only, automatic search any band, no roaming
AT^SYSCFG=2,0,3FFFFFFF,2,4      Any
AT^SYSCFG=13,1,3FFFFFFF,2,4     2G only
AT^SYSCFG=14,2,3FFFFFFF,2,4     3G only
AT^SYSCFG=2,1,3FFFFFFF,2,4      2G preferred
AT^SYSCFG=2,2,3FFFFFFF,2,4      3G preferred
AT^U2DIAG=0     enable modem function only
ATI     get relevant information from modem
ATZ     reset modem configuration
AT+CIMI         read IMSI
AT+CLCK=“SC”,0,”<pin>”  disable PIN verification

Voice connection
AT^CVOICE=?
^CVOICE:(0)

OK
AT^CVOICE?
^CVOICE:0,8000,16,20

ATD50463599999
OK

AT^DDSETEX=2

Source code
Test if your modem supports voice capabilities
git.rot13.org Git ‑ huawei.git/rss log git.rot13.org Git ‑ huawei.git/rss log 
• force AT$QCDMG from command‑line 

force AT$QCDMG from command-line
• [D H ] qcdm.pl
• specify port at command line 

specify port at command line
• [D H ] qcdm.pl
• query Huawei and ZTE specific AT commands 

query Huawei and ZTE specific AT commands
• [D H ] at‑chat.pl
• specify port at command line 

specify port at command line
• [D H ] at‑chat.pl
• don't modify echo ATE0 

don't modify echo ATE0
• [D H ] at‑chat.pl
• rename AT chat script 

rename AT chat script
• [D H ] at‑chat.pl
• [D H ] qcom‑chat.pl
• enter in diag mode automatically 

enter in diag mode automatically
• [D H ] qcdm.pl
• mirror from https://www.codeaurora.org/git/projects/hisense‑ts7008/repository/ 

mirror from https://codeaurora.org/git/projects/hisense-ts7008/repository/
• [D H ] AMSS/diagcmd.h
• [D H ] AMSS/diagd3des.c
• [D H ] AMSS/diagd3des.h
• [D H ] AMSS/diagdiag.c
• [D H ] AMSS/diagdiag_v.h
• [D H ] AMSS/diagfwd.c
• [D H ] AMSS/diagsec.c
• [D H ] AMSS/diagsec.h
• [D H ] AMSS/nv/nv_info_tab.c
• [D H ] AMSS/nv/nvi_items.h
• [D H ] AMSS/nv/nvim.c
• [D H ] AMSS/nv/nvim_items.h
• [D H ] AMSS/nv/nvio.c
• [D H ] AMSS/tmc.c
• correct crc calculation and escaping 

correct crc calculation and escaping
• [D H ] qcdm.pl
• chat in Qualcomm DM protocol 

chat in Qualcomm DM protocol
• [D H ] qcdm.pl
• http://events.ccc.de/congress/2011/Fahrplan/events/4735.en.html 

events.ccc.de/congress/2011/Fahrplan/events/4735.en.html
• [D H ] docs/2022_11‑ccc‑qcombbdbg.pdf
• few more commands 

few more commands
• [D H ] qcom‑chat.pl
• AT Commands set SIM5210_ATC_V1.1 

AT Commands set SIM5210_ATC_V1.1
• [D H ] docs/SIM5210_ATC_V1.1.pdf
• more command, better handling of response 

more command, better handling of response
• [D H ] qcom‑chat.pl
• chat with qualcomm modem 

chat with qualcomm modem
• [D H ] qcom‑chat.pl