Hi,

I guess the right direction would be to call the place you bought it, or sierra wireless and ask them what error 304 means.

Meanwhile a question: How were you able to compile kannel on Cygwin? last I know of it doesn't because of some issues Cygwin has with thread locking. Are these corrected? At what version?

BR,
Nikos

----- Original Message ----- From: "Bogus Bill" <[email protected]>
To: <[email protected]>
Sent: Tuesday, February 10, 2009 5:05 AM
Subject: Invalid PDU mode parameter error



I am running Kannel 1.4.1 under Cygwin. When it sends 125 characters (here,
all asterisks) it works fine:

2009-02-09 21:27:26 [2180] [6] DEBUG: AT2[/dev/com3]: --> AT+CMGS=125^M
2009-02-09 21:27:26 [2180] [6] DEBUG: AT2[/dev/com3]: <-- >
2009-02-09 21:27:26 [2180] [6] DEBUG: AT2[/dev/com3]: send command status: 1
2009-02-09 21:27:26 [2180] [6] DEBUG: AT2[/dev/com3]: -->
0011000B814140136651F5
0000A77E2A954AA552A9542A954AA552A9542A954AA552A9542A954AA552A9542A954AA552A9542A
954AA552A9542A954AA552A9542A954AA552A9542A954AA552A9542A954AA552A9542A954AA552A9
542A954AA552A9542A954AA552A9542A954AA552A9542A954AA552A9542A954AA55200
2009-02-09 21:27:26 [2180] [6] DEBUG: AT2[/dev/com3]: --> ^Z
2009-02-09 21:27:26 [2180] [6] DEBUG: AT2[/dev/com3]: <-- >
2009-02-09 21:27:27 [2180] [6] DEBUG: AT2[/dev/com3]: <-- +CMGS: 168
2009-02-09 21:27:27 [2180] [6] DEBUG: AT2[/dev/com3]: <-- OK
2009-02-09 21:27:27 [2180] [6] DEBUG: AT2[/dev/com3]: send command status: 0

But when it tries to send 126 asterisks, I get

2009-02-09 21:25:45 [2180] [6] DEBUG: AT2[/dev/com3]: --> AT+CMGS=126^M
2009-02-09 21:25:45 [2180] [6] DEBUG: AT2[/dev/com3]: <-- >
2009-02-09 21:25:45 [2180] [6] DEBUG: AT2[/dev/com3]: send command status: 1
2009-02-09 21:25:45 [2180] [6] DEBUG: AT2[/dev/com3]: -->
0011000B814140136651F5
0000A77F2A954AA552A9542A954AA552A9542A954AA552A9542A954AA552A9542A954AA552A9542A
954AA552A9542A954AA552A9542A954AA552A9542A954AA552A9542A954AA552A9542A954AA552A9
542A954AA552A9542A954AA552A9542A954AA552A9542A954AA552A9542A954AA5522900
2009-02-09 21:25:45 [2180] [6] DEBUG: AT2[/dev/com3]: --> ^Z
2009-02-09 21:25:45 [2180] [6] DEBUG: AT2[/dev/com3]: <-- >
2009-02-09 21:25:46 [2180] [6] DEBUG: AT2[/dev/com3]: <-- +CMS ERROR: 304
2009-02-09 21:25:46 [2180] [6] ERROR: AT2[/dev/com3]: CMS ERROR: +CMS ERROR:
304

2009-02-09 21:25:46 [2180] [6] ERROR: AT2[/dev/com3]: CMS ERROR: Invalid PDU
mode parameter (304)
2009-02-09 21:25:46 [2180] [6] DEBUG: AT2[/dev/com3]: send command status: 1

I know the error comes from the modem (a Sierra Wireless 881U).  What AT
command strings should I be tweaking to fix this? Can anyone send me in the
right direction to diagnose this?

Thanks in advance,

Bill Rigdon

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