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SMSTools3 Community » Sample scripts / setups Bottom

GSM Modem BenQ M32 from Dealextreme

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Author Post
Member
Registered:
Aug 2009
Location: Mexico DF, Mexico
Dears how are you, Anybody can recommend me a cost effective GSM modem that work fine in linux and with our SMS server tool 3?

At this time we are working with Sony cell phones , but i think that may exist a GSM modem for a $100....
what do you think about this?

Any body know if exist a "multiple modem device" for allow 5 or 10 GSM SIM in a single usb modem?


Thank in advance
Regards
Cristian

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
cristian_rougier wrote
Anybody can recommend me a cost effective GSM modem that work fine in linux and with our SMS server tool 3?

I do not usually recommend any specific device, some device which is based on Wavecom chip is good ;).

This device from Dealextreme looks very interesting... It's cheap :) and there are comments which say that it's working under Linux and with Gnokii and Gammu. There was no comments about PDU mode (which is required with Smstools3), but I assume that today all modems have this support. Perhaps I should order this gadget and test it... ;)

cristian_rougier wrote
Any body know if exist a "multiple modem device" for allow 5 or 10 GSM SIM in a single usb modem?

In the market there are those kind of devices, at least with serial interface. However, these are expensive and not supported by Smstools3 because it has no built-in functionality for selecting the SIM.

Member
Registered:
Aug 2009
Location: Mexico DF, Mexico
Topic owner
What a tip ! thank you! i purchased 1 for testing

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
cristian_rougier wrote
i purchased 1 for testing

I also ordered it... :)

Member
Registered:
Aug 2009
Location: Mexico DF, Mexico
Topic owner
Look this...

http://www.convergentech.com/faq_G1.aspx

regards
Cristian

Member
Registered:
Mar 2010
Location: Mexico
Have u guys received that GSM Modem already, and if you have, how did it worked with smstools3?

Thanks

PS I am also looking for a nice GSM Modem

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
My order from DX has arrived in Finland, but it is not yet here in town where I'm living. Hopefully I get it tomorrow... Stay in touch ;). Subscribed users will get an e-mail notification as soon as we have some good news to tell. Or bad ;)...

Member
Registered:
Aug 2009
Location: Mexico DF, Mexico
Topic owner
My device are in transit to Mxico. :(

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
At least with a rapid test this device looks pretty good, especially when looking the price. :)

It uses PL2303 converter, and Linux can detect and use without any special actions required. The GSM chip is:

at+cgmi
BenQ

at+cgmm
M32

at+cgmr
SW ver: 1.80
HW ver: 1.00
FS ver: 1.00
Build Date: 2004/6/25
Build Time: 18:40:37


With the Google, AT command manual can be found for this device. I have not read it yet, but will read... ;)

Basic functionality works well. I have sent and received standard messages, and sent multipart Unicode messages successfully.

It seems that status report's does not work, but this should be checked from the manual if some additional initialization/setting is required to get them working.

Less common features I have not yet fully tested. It can hangup incoming call, but needs voicecall_hangup_ath = yes setting. Outgoing voice calls can be made, but it return OK too fast, when a call is not yet answered. However, many other devices are problematic with voicecalls. Missed calls can be detected, but not removed with AT+CPBW=1 command.

Cristian, while waiting for your device to arrive, you could read the manual very carefully, as you do not have any other things to do... ;) You will then know everything about this device, when you receive it and start the smsd with it. 8) :)

Member
Registered:
Mar 2010
Location: Mexico
Dear Keke

Thanks so much for posting that info, i was looking for the AT Commands Sheet for that device but i was unable to find it, can u share the link with the community please??

Do you think this device can hold on a production system?

Member
Registered:
Aug 2009
Location: Mexico DF, Mexico
Topic owner
Hi, keke, how are you, thank you for your comments.

Is a very good new that the device work fine, the price is invincible :)

You can sell this to the SMS Server tool user like an accesory ;) Think about this.

Please look this Item : (i purchased 1 the same day of the modem)

http://www.dealextreme.com/details.dx/sku.33189

1 x 10 USB with external power !!

I think that you can sell this kit to the SMS3 users for a rasonable price,
this may solve a lot of problems with your phones... and to sustain the SMS3 project ;)

Do you have the complete manual? Where i can find?

I think that Benq Is a good chipset... no?

Thank in advance
Cristian

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
michel wrote
Thanks so much for posting that info, i was looking for the AT Commands Sheet for that device but i was unable to find it, can u share the link with the community please??

I was googling "benq m32 at command" and the first result was "M22 / M23 / M23G AT Command User Guide", the link to pdf is http://www.portech.com.tw/data/BenQ%20M23%20AT.pdf

That documents says that it was merged and applies for M32 too. Some other documents are also available, but I have been too busy to check them.

michel wrote
Do you think this device can hold on a production system?

I do not know yet for sure, after quick trying. However, it looks good and if status report is not important, or it can be handled somehow, I think that this kind of a device should be at least as good as a mobile phone with it's cable.

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
cristian_rougier wrote
You can sell this to the SMS Server tool user like an accesory ;) Think about this.

Please look this Item : (i purchased 1 the same day of the modem)

http://www.dealextreme.com/details.dx/sku.33189

1 x 10 USB with external power !!

I think that you can sell this kit to the SMS3 users for a rasonable price,
this may solve a lot of problems with your phones... and to sustain the SMS3 project ;)

Thank's for the suggestion ;). Perhaps it's still better that users order their hardware directly from DX, for example because of a warranty

But of course it would be fine to have couple of those hub's, with ten modems connected to each 8).

cristian_rougier wrote
Do you have the complete manual? Where i can find?

See my previous post.

cristian_rougier wrote
I think that Benq Is a good chipset... no?

I can tell my opinion after couple of weeks, and after lot of SMS messages... ;)

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
I changed the title of this topic... :)

A specification of Benq M32 says the status report is supported. However, it seems that those reports cannot be saved into the "SM" storage. There is a "ME" storage available too, but it has no space. Even when "ME" is selected, normal messages are received into the "SM" storage. Smsd can read messages only when "SM" storage is selected.

With an init = AT+CNMI=0,0,0,1,0 this device will route status reports to the smsd and they are (at least usually) handled correctly. With many other modems routing should not be used, and therefore smsd will log an error: "You MUST DISABLE status report routing with modem settings.". I have not found out how status reports can be received as a normal messages with M32. Because of this, the next version will have a setting which changes some severity of a logging and removes that "must disable" instruction.

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
The feature phonecalls is not supported by M32 is supported with 3.1.7beta6 or later, using the setting phonecalls = clip.

Smsd can detect missed calls, and can read them and write incoming message files, but: M32 does not allow to write to MC storage. Therefore smsd cannot remove processed call entries and will find the same missed calls again and again...

Next version will detect if AT+CPBW=1 command gets ERROR, and after 3 errors this feature is disabled. With current versions this feature just should not be used.

Disconnecting a device, or resetting it, was not enough to clear MC storage. The only way I found to clear it was changing the SIM card. :(


« Last edit by keke on Thu Apr 22, 2010 09:12, 172 months ago. »
Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
Cristian, have you already received and tested this device? If you are, what are your experiences?

Member
Registered:
Aug 2009
Location: Mexico DF, Mexico
Topic owner
Hi all, sorry but i'm out for a few time.

I'm testing the modem, i can send but can't receive. I dont know why, any special init string?

I dont see nothing in the smsd.log What init string are using?

Thank in advance
Regards
Cristian

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
If you see nothing, probably incoming = yes missing.

This is a setup for BenQ M32:

[GSM1]
device = /dev/ttyUSB0
init = AT+CNMI=0,0,0,1,0
incoming = yes
check_memory_method = 31
phonecalls = clip
voicecall_hangup_ath = yes
voicecall_cpas = yes
needs_wakeup_at = yes
using_routed_status_report = yes
routed_status_report_cnma = no
 
'smsdconf' Syntax Highlight powered by GeSHi


Member
Registered:
Aug 2009
Location: Mexico DF, Mexico
Topic owner
Hi, thank you for the answer.

The modem is working fine, i can send and receive SMS without problems.


Thank you, i will purchase some modems more...

Regards
Cristian

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
cristian_rougier wrote
The modem is working fine, i can send and receive SMS without problems.

Thanks for the information.

cristian_rougier wrote
Thank you, i will purchase some modems more...

Actually, if you do not need more modems very quickly, hold your order...

I might have a link to an even better modem, which is cost effective, within the next few weeks....

Stay in touch ...

Member
Registered:
Aug 2009
Location: Mexico DF, Mexico
Topic owner
Hey what a good new!

But i need the modems quickly; when do you will have news about this new modem?

Regards
Cristian

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
cristian_rougier wrote
when do you will have news about this new modem?

I do not know yet. Probably within the next few weeks.

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
keke wrote
cristian_rougier wrote
when do you will have news about this new modem?

I do not know yet. Probably within the next few weeks.

It's not possible to be hasty with this issue. I will write a new topic then when the time comes.

Member
Registered:
May 2010
Location: Moldova
Hi, guys!
How about this: "You'll have to enter the PIN number for your SIM every time you start the PC."? Is that true? How this can be solved?

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
iuriem wrote
How about this: "You'll have to enter the PIN number for your SIM every time you start the PC."? Is that true? How this can be solved?

It depends on the SIM card settings. The PIN can be switched off, and then it's never asked. It's easy to switch of using a handset.

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