This page aggregates measured, corroborated evidence: donors' iPhones recorded apps contacting this domain, every claim below was reported by separate accepted donations and published under a human verdict (later rows for an approved app inherit its verdict). A contact is a measurement, not an accusation — it does not show what data was sent.
sip121-1121.ringcentral.com
classified as first-party · 2
What our research panel found AI-drafted · human-reviewed
We ask several independent AI models the same question and publish their answers separately — cross-vendor agreement is evidence against fabrication, and disagreement is worth seeing. 3 of 3 models answered, overall confidence medium — undisclosed split: anthropic=false, openai=true, gemini=false. A human reviewed this domain's claims before anything here published.
Anthropic Claude — first-party
The subdomain pattern (sip121-1121) on ringcentral.com indicates a first-party SIP/VoIP signaling endpoint operated by RingCentral, the vendor behind the com.glip.mobile app (Glip is RingCentral's messaging/meetings client), so this is core functional traffic rather than analytics or ad tech. The record shows no declared collection or sharing, but I cannot tell from the data given whether the label is genuinely empty or simply not supplied, nor what data the SIP session carries, so I do not mark it undisclosed.
OpenAI — first-party
The domain is a RingCentral subdomain, and the bundle identifier com.glip.mobile is associated with RingCentral's Glip product, so this most likely supports the app's own communications service. The app declares no collection or sharing, while contacting its service infrastructure implies a data flow not covered by that label.
Google Gemini — first-party
The domain belongs to RingCentral, the owner/developer of Glip (com.glip.mobile), indicating a first-party operational endpoint for SIP voice/video signaling. Standard operational network contacts for core functionality do not inherently imply undisclosed data collection.
Apps measured contacting this domain
| App | Label gap | Donations | Contacts | Seen |
|---|---|---|---|---|
com.glip.mobile | — | 4 | 84 | 2026-07-28 → 2026-07-29 |
The corpus grows one report at a time: donate your App Privacy Report — anonymous by design.
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