AADSTS700016 — Application not found in tenant
The requested application identifier does not exist or is not available in the target tenant.
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603 — SIP call declined
The destination explicitly declines the call and indicates no alternate branch should be tried.
Lire la suite →AADSTS50076 — Multi-factor authentication required
Microsoft Entra ID requires multi-factor authentication to continue sign-in.
Lire la suite →AADSTS53003 — Access blocked by Conditional Access
The sign-in is blocked by a Conditional Access policy.
Lire la suite →AADSTS50011 — Reply URL mismatch
The redirect URI sent by the application does not match a registered redirect URI.
Lire la suite →480 — Destination temporarily unavailable
The SIP endpoint or service is temporarily unavailable.
Lire la suite →486 — Busy here
The called endpoint reports that it is busy and cannot accept the call.
Lire la suite →487 — SIP request terminated
The SIP transaction was canceled, often after a CANCEL request.
Lire la suite →488 — Media or SIP parameters not acceptable
The destination rejects the offered parameters, often codecs or SDP.
Lire la suite →503 — SIP service unavailable
The SIP server or trunk is temporarily unable to process the request.
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