hi all,
i have configure SMS module and have some error. please help to fix it.
my configure in kamailio :

modparam("sms", "modems", "nokia[d=/dev/ttyUSB0;p=0000;m=old;s=1;l=10;r=20]")
modparam("sms", "networks", "MOBIFONE[m=10]")
modparam("sms", "links", "nokia[MOBIFONE]")


if(method == "MESSAGE"){
                if(has_body("text/plain")){

sms_send_msg_to_net("MOBIFONE");


                }

        }

but i start kamailio, log show that:

Oct 26 05:32:35 localhost /usr/local/sbin/kamailio[13594]: ERROR: sms [libsms_modem.c:282]: Modem is not registered to the network
Oct 26 05:32:35 localhost /usr/local/sbin/kamailio[13594]: WARNING: sms [libsms_getsms.c:256]: something happend with the modem -> was reinit -> let's retry
Oct 26 05:32:36 localhost /usr/local/sbin/kamailio[13594]: WARNING: sms [libsms_modem.c:356]: modem wants the PIN again!
Oct 26 05:32:36 localhost /usr/local/sbin/kamailio[13594]: WARNING: sms [libsms_modem.c:370]: re -init the modem!!
Oct 26 05:32:36 localhost /usr/local/sbin/kamailio[13594]: INFO: sms [libsms_modem.c:221]: init modem nokia on /dev/ttyUSB0.
Oct 26 05:32:37 localhost /usr/local/sbin/kamailio[13594]: INFO: sms [libsms_modem.c:250]: Checking if Modem is registered to the network
Oct 26 05:32:38 localhost /usr/local/sbin/kamailio[13594]: NOTICE: sms [libsms_modem.c:275]: Waiting 2 sec. before retrying
Oct 26 05:33:09 localhost last message repeated 10 times
Oct 26 05:33:38 localhost last message repeated 9 times
Oct 26 05:33:40 localhost /usr/local/sbin/kamailio[13594]: ERROR: sms [libsms_modem.c:282]: Modem is not registered to the network
Oct 26 05:33:40 localhost /usr/local/sbin/kamailio[13594]: WARNING: sms [libsms_getsms.c:256]: something happend with the modem -> was reinit -> let's retry
Oct 26 05:33:41 localhost /usr/local/sbin/kamailio[13594]: WARNING: sms [libsms_modem.c:356]: modem wants the PIN again!
Oct 26 05:33:41 localhost /usr/local/sbin/kamailio[13594]: WARNING: sms [libsms_modem.c:370]: re -init the modem!!
Oct 26 05:33:41 localhost /usr/local/sbin/kamailio[13594]: INFO: sms [libsms_modem.c:221]: init modem nokia on /dev/ttyUSB0.
Oct 26 05:33:41 localhost /usr/local/sbin/kamailio[13594]: INFO: sms [libsms_modem.c:250]: Checking if Modem is registered to the network
Oct 26 05:33:42 localhost /usr/local/sbin/kamailio[13594]: NOTICE: sms [libsms_modem.c:275]: Waiting 2 sec. before retrying

so i cannot send ok receive sms.
with contact :+84...@sipdomain

my nokia phone :6020
i can send sms via nokia by gnokii.
please help or suggest to get it wok.
thanks alot.