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Posted on Monday, August 15, 2005 - 12:11 pm:   

Hi, i've read 3posts on this GSM Modem & i dont know why the answers havent been satisfactory.
Pls note that SAGL model supports GSM/GPRS & also Standard AT comands for sending & receiving SMS & i've been forced to write an app to even do so but i dont know why its not compatible with NOWSMS.

1)I noticed that for this modem it either connects Directly to d COM Port or u add a Standard 33600bps modem driver b4 u can get a Modem Successful notification.
2)Whenever i send an sms to it, it doesnt retrieve 4rm d modem & i've tried all d options in the SMS Message Storage. My 2way too is properly configured b/c if i remove the Enfora & put a Wavecom modem, it works perfectly.

I've attached d smsdebug.log so i can see what is going on.

Advising me to buy a Multitech or Wavecom wont help, i'ld love us to resolve this problem,
smsdebug.txt (1.3 k)
Bryce Norwood - NowSMS Support
Board Administrator
Username: Bryce

Post Number: 4759
Registered: 10-2002
Posted on Tuesday, August 16, 2005 - 11:04 am:   


Is the only problem that you cannot receive any SMS messages sent to the modem? (I want to make sure that I understand what the question is that you are asking about.)

I do not see anything in the SMSDEBUG.LOG.

But, the report from the AT+CNMI? command is somewhat interesting.

It looks like the modem is defaulting to what we call "Direct to Modem" in the "SMS Message Storage" settings. Yet, we do not appear to be seeing any messages coming in this way.

How about this ...

Open a connection to the COM port using HyperTerminal.

Issue some AT commands to verify that you are talking to the modem, and put it into PDU mode like NowSMS would by sending these commands:


Send an SMS to the modem. Does any indication show up on HyperTerminal to indicate a received message?

Does this change if you send the following command:


What results are there if you send the command AT+CMGL=0

Posted on Tuesday, August 16, 2005 - 09:07 pm:   

Hi, my problem is that received sms dont get processed & it is neither found in the SIM card when i remove it 4rm the modem.

i opened a hyperterminal connection & performed the following commands

Command : at+cnmi?
Result : +CNMI:1,1,0,0,0

Command : at+csms=0
Result : +CSMS :1,1,1

Command : at+cmgf=0
Result : OK

When i sent an sms to the modem & i received a notification

+CMTI: "SM",2

Command : AT+CNMI=2,2,2,1,0
Result : OK

+CBM: 88

01600384011139D910040A1E85CFEBB3D168341A8D46A3D168341A8D46A3D168341A8D46A3D16834 1A8D46A3D168341A8D46A3D168341A8D46A3D168341A8D46A3D168341A8D46A3D168341A8D46A3D1 68341A8D46A3D100

016000320111C1A3F0797D361A8D46A3D168341A8D46A3D168341A8D46A3D168341A8D46A3D16834 1A8D46A3D168341A8D46A3D168341A8D46A3D168341A8D46A3D168341A8D46A3D168341A8D46A3D1 68341A8D46A3D100

+CMT: ,49

0891328430000014F0240D98328430445094F200005080612253314021CF3588FE6EBFE5F2F71DD4 7ECBDD69F71924CE8390C929E8280F8FCB2E

COMMAND : at+cmgl=0
Result :
+CMGL: 2,0,,38
07917238010000F2240D91328430237342F10B005080613243758014F4F29C9E769F4165B7F92D0F 83DA6F72B90D

Bryce Norwood - NowSMS Support
Board Administrator
Username: Bryce

Post Number: 4855
Registered: 10-2002
Posted on Thursday, September 01, 2005 - 06:55 pm:   

I would expect NowSMS to see the "+CMT:" notification when you have the "SMS Message Storage" set to "Direct to Modem".

Can you generate another SMSDEBUG.LOG with that setting enabled?

And then while the debug log is enabled, send a message to the modem itself through NowSMS. (NowSMS sending to the modem itself.)

I'd like to see that log to see if it offers any clues, because your HyperTerminal tests certainly look like it should be working. Although there might be an extra CRLF causing a problem ... hmm ... I don't like that blank line that follows the +CMT: response. Can you confirm that this blank line is always there?

Posted on Tuesday, September 06, 2005 - 03:08 pm:   

I have an Enfora GSM1218, and i want my clients to see my webpage name, instead of the phone number that originated the message. My clients are responding to the messages, and i don`t want that.
Is there an AT command to change it or do I have to contact the service provider to change my configuration.
Thanks in advance. CB
Bryce Norwood - NowSMS Support
Board Administrator
Username: Bryce

Post Number: 4910
Registered: 10-2002
Posted on Thursday, September 15, 2005 - 07:43 pm:   

If you are sending SMS messages through a GSM modem, there is no way to change the sender address that goes out in the resulting SMS.

Basically, the protocol that is used does not have a field for the sender address. Instead the sender address is automatically applied by the operator SMSC when it accepts your SMS message for delivery.

(Your mobile operator could have a way to override this, but it is unlikely. I haven't heard of any mobile operators that allow you to override a GSM modem address with an alphanumeric sender. I have heard of one that allows you to override the sender phone number with a different phone number ... this solution was deployed for people who have both a mobile phone and a modem card, the idea was that for SMS messages sent with the modem card, the sender phone number should be that of the user's mobile phone instead of their modem card.)

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