Hello, try to add
log-file = /var/log/kannel/mysmsc.log log-level = 0 into your smsc/smpp section to get more debug information Regards #--------------------------------------------- # SMSC CONNECTIONS group = smsc smsc = smpp host = <ip address removed> port = 8100 smsc-username = username smsc-password = password smsc-id = link0 source-addr-ton= "NULL" source-addr-npi= "NULL" dest-addr-ton= "NULL" dest-addr-npi= "NULL" #preferred-smsc-id = link0 #allowed-smsc-id = link0;link1 keepalive = 25 interface-version=34 system-type= "NULL" address-range = "NULL"
