What brings my attention here is that apparently the receiver is seeing only one message (comment #7). It is possible that the receiver phone detects receiving 2 messages that are exactly the same and shows only one, but I would say that is not usual.
I would like to know if in some case the receiver shows more than one message. It is not impossible that the operator is wrongly charging for non-sent SMS. On the other hand, in the attached files it can be seen that messages are retried in quite regular intervals (between 5-7 seconds). It is possible that somewhere in the stack there is a 5 seconds time-out and the message is retried without actually waiting for some response from the modem, which is what should be done. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1480554 Title: High costs due to SMS being sent multiple times when having a bad network connection To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/telephony-service/+bug/1480554/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs