Re: UMG181 sms slots start with 0 instead of 1?

Hi,

Seems a lot of trouble for a single modem. Ever considering changing it? 
Does it work OK without sim-buffering?
Kannel gateway is supposed to be on at all times.

BR,
Nikos
----- Original Message ----- 
From: "Chris Holt" <[email protected]>
To: <[email protected]>
Sent: Thursday, April 22, 2010 6:20 PM
Subject: UMG181 sms slots start with 0 instead of 1?


> Hi,
>
> I'm using a Huawei UMG181 attached to a RHEL system (kernel
> 2.6.18-194.el5).  Kannel version is 1.4.3 built from source.  I have
> sim-buffering = true in my config.
>
> Running bearerbox -v 0 gave me this error over and over again.
>
> ...
> 2010-04-22 09:13:32 [12167] [7] DEBUG: AT2[huawei]: --> AT+CMGR=30^M
> 2010-04-22 09:13:32 [12167] [7] DEBUG: AT2[huawei]: <-- +CMS ERROR: 321
> 2010-04-22 09:13:32 [12167] [7] ERROR: AT2[huawei]: CMS ERROR: +CMS ERROR: 
> 321
> 2010-04-22 09:13:32 [12167] [7] ERROR: AT2[huawei]: CMS ERROR: Invalid
> memory index -> don't worry, just memory fragmentation. (321)
> ...
>
> starting with CMGR=1 and repeating to CMR=30.  The response from
> +CPMS=? earlier in the log was:
>
> 2010-04-22 09:13:29 [12167] [7] DEBUG: AT2[huawei]: --> AT+CPMS?
> 2010-04-22 09:13:29 [12167] [7] DEBUG: AT2[huawei]: <-- +CPMS:
> "SM",4,30,"SM",4,30,"SM",4,30
>
> From a gtkterm session with the modem, i can issue AT+CMGR=0 and get a
> message.  So it seems that this modem starts numbering slots at 0
> instead of 1.
>
> In gw/smsc/smcs_at.c line 1074 (1.4.3 codebase), i changed the for
> loop to be from 0 to capacity-1 instead of 1 to capacity in the
> function at_read_sms_memory.  Clearly there's a better solution, but
> this fixed my problem for now.
>
> This device is somewhat new, but is it the first to use 0 based slots?
>
> As a footnote, I was using sim-buffering = true to be able to receive
> messages that the modem buffered while kannel wasn't running.  Is
> there a better way to do that?  My modem init string is:
> init-string = "AT^PORTSEL=1;+CNMI=2,1,2,2,0"
> The "^PORTSEL=1" was the double secret magic command to get CMTI
> notifications to work on /dev/ttyUSB0, btw.  I found this purely by
> experimentation trying commands that the modem reported from a command
> list.  I was unable to find any documentation on it though.
>
> Thanks,
> Chris
>