Regard message length

Hello every one,

I change lots of configuration in my.conf file bur i'm still unable to send
sms more then 153 *character in one sms.


*Please help me to solve this  problem.

my configuration is:


group = sms-service
keyword = default
text = 'No service specified'
max-messages = 6
concatenation = true


group = smsc
smsc = smpp
smsc-id = user
host= 1.1.1.1
port =  1234
smsc-username= user
smsc-password= ****
system-type= SMPP
transceiver-mode= 1
allowed-smsc-id=user

max-pending-submits=30
interface-version = 0x34
enquire-link-interval = 30
reconnect-delay = 10
source-addr-ton = 5
source-addr-npi = 1
dest-addr-ton = 1
dest-addr-npi = 1
alt-charset = "ASCII"
throughput=30
max-sms-octets=1024

Thanks & Regards
Rahul Chordiya