Document: draft-ietf-ecrit-data-only-ea-21 Review result: Ready with Nits Review type: iotdir - Last Call review Requested version for review: Current Review Date: 2020-03-02 Reviewer: Gonzalo Salgueiro I am the assigned IoT directorate reviewer for . These comments were written primarily for the benefit of the Internet Area Directors. Document editors and shepherd(s) should treat these comments just like they would treat comments from any other IETF contributors and resolve them along with any other Last Call comments that have been received. For more details on the IoT Directorate, see https://datatracker.ietf.org/group/iotdir/about/ This document describes (1) how method of including a CAP message in a SIP transaction by defining it as a block of "additional data" as well as (2) describes how a SIP MESSAGE transaction can be used to send a non-interactive call. I have reviewed this document from the IoT perspective and the document appears to be informative, clear and without obvious technical gaps. There are just a few the authors might consider addressing. Nits: ==== S: Abstract "type of interactions" -> "types of interactions" S:1 "alert specific" -> "alert-specific" S:9 "Location specific" -> "Location-specific" S:9 "Note that none of the security mechanism in this document" -> "Note that none of the security mechanisms in this document"