Modem Failure and Retry Pending - ERROR - Modem Response (2): +CMS ...

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SMS & MMS Technical Forum » NowSMS Support - SMS Issues (Product Support Only) » Archive through June 21, 2007 » Modem Failure and Retry Pending - ERROR - Modem Response (2): +CMS ERROR: 500 « Previous || Next »
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Williams Lea
New member
Username: Williamslea

Post Number: 1
Registered: 05-2007
Posted on Monday, May 14, 2007 - 01:21 pm:   

Hi I am using a Nokia 7210 phone connected via DKU-5 Nokia cable. The MSOUT log indicates modem failure. However when performing the 'Test' from the Now SMS/MMS Gateway v4.11 'SMSC' tab, the results are given as 'Modem successfully tested!'. The messages that were sent before the test are then successfully delivered.
Also the event log under the 'Service' is not getting refreshed.
Are these configuration issues which are causing the software to loose connection until the 'Test' is performed and also to not refresh the log?
SMSOUT-20070514.LOG (149.4 k)
SMSWEB-20070514.LOG (14.4 k)
Ramon Sazon
New member
Username: Ramonsazon

Post Number: 26
Registered: 08-2006
Posted on Sunday, May 27, 2007 - 04:17 am:   

Hi Bryce,

I have a similar problem:
2007-05-27 00:49:41,46590C7F.req,,+12059189000,Retry Pending - ERROR - Modem Response (2): ERROR -- MultiTech Systems USB GSM_GPRS Wireless Modem #2

It works out fine. I can TEST the modem and messages go thru. I'm just concerned if this might cause a problem cause I see 5 or 8 of these in a row.

Please let me know.
Bryce Norwood - NowSMS Support
Board Administrator
Username: Bryce

Post Number: 7235
Registered: 10-2002
Posted on Thursday, June 21, 2007 - 06:19 pm:   

Hi all,

For the first posting ...

"Modem Successfully Tested" only indicates that NowSMS can talk to the modem. It does not mean that any messages can actually be sent by the modem.

In the case of "CMS ERROR: 500", this is an error being returned by the modem. Unfortunately, this error code means that an "unknown" error has occurred ... which is not particularly helpful.

However, our experience is that many phone modems return this error code when they lose their signal for connecting to the mobile operator, or when the signal is very weak.

So check to see how strong your signal is, and you might need to physically relcated the device in order to acquire a better signal.

For the second posting ...

The modem is responding with a generic "ERROR" response. This is not necessarily a problem if it is sporadic. The operator network might be busy and not able to accept a message.

Also, this can happen if the modem is receiving a message at the time that it is attempting to send. So if you are sending and receiving message simultaneously, you may encounter this.


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