* Cover the ids a send gets back where the SMSC named only some of them
* Say undefined where the SMSC named no id for a segment it took
* Record why the merger takes the wider type, and de-duplicate the interop narrowing
* Guard the numbering hole the merger must refuse, and correct the phase record
* Fixtures for the receipt bodies operator documentation publishes
* Read the stat:FAILED several operators write as UNDELIVERABLE
* Cover the 16-bit UDH concatenation element with a fixture
* Record phase 9 of the interoperability plan
* Share the dummy SMSC and tighten the operator fixtures
* Correct what the test conventions claim about the doubles and the tree
* Read a receipt date that carries its century
* Read the stat spelling CM.com publishes
* Say what the receipt status table actually holds