Numbers you may repeat, and numbers you may not

Zoom's API sample shows expires_in 3599, and the prose says tokens are valid for one hour.
Talkdesk's authentication markdown front matter says updatedAt 2026-09-10.
IANA's SIP registry page says Last Updated 2026-08-17.
Wikipedia's Avaya extract says more than 90,000 customers.
Prices, ports, exam scores, and roadmap months were not opened.

These are study notes, not vendor documentation and not legal advice. learning-only student project. https://cyphermonkeylabs.com/#contact https://github.com/CypherMonkeyLabs https://linktr.ee/cypherMonkey

Sources and go deeper

Opened 2026-10. A row marked confirm has no link, because that page was not verified.

Zoom. Zoom API reference last checked 2026-10
Talkdesk. Talkdesk authentication (OAuth 2.0) last checked 2026-10
IANA. IANA SIP parameters last checked 2026-10
Wikipedia. Avaya last checked 2026-10
Confirm. License prices, port lists, exam scores, roadmap months. confirm. Not opened. last checked 2026-10