This project should work with kannel as : http smsc ,with allowed smsc = sncheck_linkXX, queue_linkXX take messages and do proper mangle i.e change sender and then resend it again to origin link through the orign smsbox (should take the proxy-smsbox and proxy send-sms user setting from kannel.conf) Sample proxy config 1. main conf 2.conf dir (i.e linkXX.conf) allowed-senders = "sender1;sender2;sender3;" mangled-sender = "SMS" # applied when not match any of above.