sms-gateway gnokii Initialization failed sometimes

I have problem with gnokii 0.6.31 +usb huawei e220 (centos 6.4 64 bit) Normaly works ok.

echo "SMS from Huawei" | gnokii --phone huawei --config /etc/gnokiirc --sendsms 1234567890
GNOKII Version 0.6.31
Send succeeded with reference -1!

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But after one,two days it's stop working, and i get:

echo "SMS from Huawei" | gnokii --phone huawei --config /etc/gnokiirc --sendsms 1234567890 
GNOKII Version 0.6.31 Initialization failed (11) 
Telephone interface init failed: Command timed out.
Quitting.

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Only solution i know it's to plug out/in usb huawei modem , and it start working.

I try with this, but don't work.

echo '2-1' |tee /sys/bus/usb/drivers/usb/unbind
echo '2-1' |tee /sys/bus/usb/drivers/usb/bind

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I got the same output whenever it's working or not

gnokii --identify 
GNOKII Version 0.6.31 
Apparently you didn't configure gnokii. Please do it prior to using it. You can get some clues from comments included in sample config file or give a try with gnokii-configure utility included in gnokii distribution.
IMEI : Unknown 
Manufacturer : Unknown 
Model : Unknown
Product name : Unknown
Revision : Unknown

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info from /var/log/messages

Jun 15 12:36:02 chi kernel: usbcore: registered new interface driver usbserial 
Jun 15 12:36:02 chi kernel: USB Serial support registered for generic
 Jun 15 12:36:02 chi kernel: usbcore: registered new interface driver usbserial_generic
 Jun 15 12:36:02 chi kernel: usbserial: USB Serial Driver core 
Jun 15 12:36:02 chi kernel: USB Serial support registered for GSM modem (1-port)
 Jun 15 12:36:02 chi kernel: option 2-1.8:1.0: GSM modem (1-port) converter detected
 Jun 15 12:36:02 chi kernel: usb 2-1.8: GSM modem (1-port) converter now attached to ttyUSB0
 Jun 15 12:36:02 chi kernel: option 2-1.8:1.1: GSM modem (1-port) converter detected
 Jun 15 12:36:02 chi kernel: usb 2-1.8: GSM modem (1-port) converter now attached to ttyUSB1 
Jun 15 12:36:02 chi kernel: usbcore: registered new interface driver option
 Jun 15 12:36:02 chi kernel: option: v0.7.2:USB Driver for GSM modems

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lsusb

Bus 002 Device 004: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA Modem / E230/E270/E870 HSDPA/HSUPA Modem

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config:

[global] port = none model = fake initlength = default connection = serial use_locking = no serial_baudrate = 9600 smsc_timeout = 10

[xgnokii] allow_breakage = 0

[gnokiid] bindir = /usr/local/sbin/

[connect_script] TELEPHONE = 12345678

[phone_huawei] 
model = AT 
port = /dev/ttyUSB1 
connection = serial

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