Problem with SF100-G and signal

[Lars Juul]

Hi,

I have a problem getting with Multitech SF100-G working.

I have the modem configured on the network, there is a sim card inserted, and I have enter the following AT command by telnetting to port 5000.

AT+CPIN=xxxx

OK

AT+CREG?

+CREG: 0,1 (Connected to the home network)

AT+CSQ

+CSQ: 21,0 (Strong signal)

But in the web GUI it says:

SIM Status Disabled – No SIM

Signal Strength 0 (weak signal)

And when I try to send a SMS from the GUI it just stays in the queue

Normal Priority Jobs Queued 1

What am I missing ?

Regards

Lars

[Bryon Davis]

Hi Lars,

I recommend upgrading to the v1.50.0 firmware. It fixes a bug where if the SIM filled up with messages, the modem would get in a state where it wouldn’t send, even though all the telnet port 5000 commands you mentioned looked good. Normally this messages get cleared automatically, but it was possible to sometimes get in this state.

SF100:

https://webfiles.multitech.com/engineering/unofficial-releases/iSMS%20(Formerly%20SMSFinder)/Firmware/SF100/1.50.0/SF100-u-v1.50.0-14May2012.zip

Regards,

Bryon

[Harry Soeterbroek]

Hi there,

We have the same issue but already running 1.50.7 firmware.

Any suggestions?

Harry

[Bryon Davis]

Hi Harry,

If the Statistics&Logs->SMS Statistics page never shows your SIM becoming Enabled, then first try powering off the iSMS for a minute and try powering it on again. Also make sure you have a SIM and service that supports 2G. Currently the iSMS only supports 2G.

If the problem still persists, telnet to the iSMS on the modem port (5000-5007 depending on which modem) and enter the following AT commands:

AT+CPIN? – Should respond +CPIN: READY

AT+CREG? – a response of 0,0 usually means no SIM, 0,1=registered successfully, 0,2=no signal

AT+CSQ – A response of +CSQ: 99,99 means no signal.

AT+WMBS? – Make sure the response matches the proper band for their region. US should respond 4,0.

If all of the AT commands respond correctly, check if you can send a sms message through the telnet using AT commands.

Sometimes the SIM fills up with messages and prevents the modem from becoming enabled. While connected the the modem via telnet, enter the command AT+CMGD=1,4

This should clear any stored messages on the SIM.

If it still fails, then we recommend creating a case with our tech support.

Regards,

Bryon

[Marco Petry]

Hello,

I’ve got the same issues currently using v1.50.7

All the above mentioned commands succeed.

I can also send SMS with AT+CMGS

The websites SMS statistics remain:

SIM Status: Disabled – No SIM

Signal Strength: 0 (weak signal)

When using a http string to send a SMS, the SMS stay in “Normal Priority Jobs Queued”

Please advise how to fix this.

Thanks a lot!!

[Bryon Davis]

Hi Marco,

I recommend that you create a case in our tech support portal.

Regards,

Bryon

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