The CPaaS Company

Insights

Independent, source-cited writing on cloud communications — original research alongside the best work published elsewhere.

6 pieces

ExplainerFoundation4 min read

Channels are not interchangeable, and treating them as if they are is the most common early mistake

SMS, WhatsApp, RCS and email differ in who may start a conversation, what may be said, and what happens when the recipient ignores it. Those differences are not cosmetic.

3 September 2026· 2 sources
ExplainerFoundation5 min read

The 24-hour window: the rule that breaks most first integrations

Why your test message worked and your production message did not, explained without reference to any particular vendor's documentation.

31 August 2026· 2 sources
ExplainerFoundation4 min read

A2P, P2A, P2P: why the direction of a message decides everything about it

The same 160 characters are priced, routed, filtered and regulated differently depending on whether a person or a program pressed send.

28 August 2026· 1 source
ExplainerFoundation3 min read

What RCS changed, and what it did not

Apple's adoption in iOS 18 turned a long-stalled standard into something with reach. Reach is not the same as a business case.

16 August 2026· 3 sources
ExplainerFoundation4 min read

Delivery rate is not a result

It is the metric most often reported and the least often useful. What to measure instead, and why the funnel is steeper than anyone's dashboard suggests.

13 August 2026
ResearchFoundationSyndicated2 min read

GSMA on RCS, encryption and the future of operator messaging

Collected primary material from the GSMA on where operator-run messaging is heading — the standards body's own account, rather than a vendor's summary of it.

21 May 2026· GSMA· 3 sources