They should not be relied upon to provide an error free method of relaying tone signalling to other decoders, such as a telephone exchange DTMF detector, for example.
The division of the Roman Empire into two parts was particularly damaging for the Western Empire because it relied on the Eastern Empire for economic support.
Timeouts are less of a concern in those cases, because there is no dependency in an upstream component on the timeliness of processing requests downstream.
Plessi seems instantly able to allow himself to be contaminated, to go along with his work being criss-crossed by narration, underscoring or overlying the primary "text" of the language.