praekelt/vumi — pull request #637 by jerith (2013-10-28 14:01:08+00:00)
Title: The SMPP transport should look for PDU params to detect delivery reports

The SMPP spec mentions `receipted_message_id` and `message_state` optional params in a `deliver_sm` PDU. Not all the SMSCs we talk to use these, but they're more likely to be authoritative and correct if they're present and we should use the content regex as a (possibly optional) fallback.