[SR-Users] SMS module big error ????????????

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.