Operating system name and version: Centos 6.6
Version of smsd: 3.1.15
Smsd installed from: sources / package repository
Name and model of a modem / phone: Wavecom 8 port GSM Modem Pool
Interface: USB


2015-06-17 12:37:03,3, GSM2: Modem is not ready to answer commands (Timeouts: 0)
2015-06-17 12:37:13,6, GSM2: Checking device for incoming SMS
2015-06-17 12:37:13,6, GSM2: Checking if modem is ready
2015-06-17 12:37:13,7, GSM2: -> AT
2015-06-17 12:37:13,7, GSM2: Command is sent, waiting for the answer
2015-06-17 12:37:18,7, GSM2: put_command expected (OK)|(ERROR), timeout occurred. 1.
2015-06-17 12:37:18,7, GSM2: <-
2015-06-17 12:37:18,7, GSM2: ->
2015-06-17 12:37:18,7, GSM2: Command is sent, waiting for the answer
2015-06-17 12:37:23,7, GSM2: put_command expected (OK)|(ERROR), timeout occurred. 2.
2015-06-17 12:37:23,7, GSM2: <-
2015-06-17 12:37:24,7, GSM2: -> AT
2015-06-17 12:37:24,7, GSM2: Command is sent, waiting for the answer
2015-06-17 12:37:29,7, GSM2: put_command expected (OK)|(ERROR), timeout occurred. 3.
2015-06-17 12:37:29,7, GSM2: <-



Here is my smsd.config


# Example smsd.conf. Read the manual for a description

devices = GSM1,GSM2,GSM3,GSM4,GSM5,GSM6,GSM7,GSM8
spool = /var/spool/sms/outgoing
failed = /var/spool/sms/failed
incoming = /var/spool/sms/incoming
sent = /var/spool/sms/sent
logfile = /var/log/smsd.log
loglevel = 7
blocktime = 10

[queues]
GSM1 = /var/spool/sms/GSM1
GSM2 = /var/spool/sms/GSM2
GSM3 = /var/spool/sms/GSM3
GSM4 = /var/spool/sms/GSM4
GSM5 = /var/spool/sms/GSM5
GSM6 = /var/spool/sms/GSM6
GSM7 = /var/spool/sms/GSM7
GSM8 = /var/spool/sms/GSM8

[provider]
GSM1 = 1,2,3,4,5,6,7,8,9,0
GSM2 = 1,2,3,4,5,6,7,8,9,0
GSM3 = 1,2,3,4,5,6,7,8,9,0
GSM4 = 1,2,3,4,5,6,7,8,9,0
GSM5 = 1,2,3,4,5,6,7,8,9,0
GSM6 = 1,2,3,4,5,6,7,8,9,0
GSM7 = 1,2,3,4,5,6,7,8,9,0
GSM8 = 1,2,3,4,5,6,7,8,9,0

[GSM1]
device = /dev/ttyUSB0
incoming = yes
baudrate = 9600
queues = GSM1
.
.
.
.
.

[GSM8]
device = /dev/ttyUSB7
incoming = yes
baudrate = 9600
queues = GSM8

Why is it i am getting this error?

Please help.. thanks in advance..