ERROR: HTTP[http_smsc]: Message was rejected. SMSC reponse was:

Hi all,

I'm using HTTP SMSC and i got the error below. Help me Please.

1) When a MO come to my gateway, i can receive it without any problem.
2) I send a MT message from my web site using this url :
$request = "http://$my_localhost:$my_sendsms_port/cgi-bin/sendsms?username=xx&password=xx&from=$from&to=$to&text=$message"
3) When a send a MT message, my bearerbox output is :
2010-03-24 21:40:33 [2593] [9] ERROR: HTTP[http_smsc]: Message was rejected. SMSC reponse was:


++++     my bearerbox output    ++++++++++++++++++++++++++

2010-03-24 21:40:36 [2642] [0] INFO: Debug_lvl = 1, log_file = <none>,
log_lvl = 0
2010-03-24 21:40:36 [2642] [0] INFO: MYSQL: Connected to server at
localhost.
2010-03-24 21:40:36 [2642] [0] INFO: MYSQL: server version 5.1.37-1ubuntu5,
client version 5.1.37.
2010-03-24 21:40:36 [2642] [0] INFO: DLR using storage type: mysql
2010-03-24 21:40:36 [2642] [0] INFO: Added logfile `/tmp/log/bearerbox.log'
with level `0'.
2010-03-24 21:40:36 [2642] [0] INFO: HTTP: Opening server at port 13000.
2010-03-24 21:40:36 [2642] [0] INFO: BOXC: 'smsbox-max-pending' not set,
using default (100).
2010-03-24 21:40:36 [2642] [0] INFO: Set SMS resend frequency to 60 seconds.
2010-03-24 21:40:36 [2642] [0] INFO: SMS resend retry set to unlimited.
2010-03-24 21:40:36 [2642] [0] INFO: DLR rerouting for smsc id
<my_http_smsc_id> disabled.
2010-03-24 21:40:36 [2642] [0] INFO: HTTP: Opening server at port 23020.
2010-03-24 21:40:36 [2642] [0] INFO: HTTP[my_http_smsc_id]: Initiated and
ready
2010-03-24 21:40:36 [2642] [0] INFO:
----------------------------------------
2010-03-24 21:40:36 [2642] [0] INFO: Kannel bearerbox II version
cvs-20100228 starting
2010-03-24 21:40:36 [2642] [0] INFO: MAIN: Start-up done, entering mainloop
2010-03-24 21:40:47 [2642] [5] INFO: Client connected from <127.0.0.1>
2010-03-24 21:40:50 [2642] [7] ERROR: HTTP[my_http_smsc_id]: Message was
rejected. SMSC reponse was:

+++  SMSC HTTP  +++++

group = smsc
  smsc = http
smsc-id = http_smsc
host = localhost
port = 16000
system-type = generic
smsc-username = <login>
smsc-password = <pass>
send-url ="
http://<operator_ip>?username=<login>&password=<pass>&from=%P&to=%p&text=%a"
status-success-regex = "ok"
status-permfail-regex = "failure"
status-tempfail-regex = "retry later"