With this setting you specify whether the certificate produced by the SIP server when establishing the TLS connection is to be classified as trustworthy and accepted.
- SNMP ID:
- 2.33.1.1.32
- Console path:
- Setup > Voice-Call-Manager > Lines > SIP-Provider > Line
- Possible values:
- No verification
- The server certificate is not verified. All valid server certificates are accepted, whichever CA they were signed by. This setting is useful for accepting self-signed certificates.
- Accept trusted
- The server certificate is verified against all CAs known to the LANCOM. These include all CAs that LCOS "knows" to be trusted and also those from the VoIP server certificate slots 1 to 3.Note: The encrypted connection is only established if one of these certificates is validated successfully.
- SIP-Trusted-CA-Slot-1
- A check is made to see whether the server certificate was signed by the CA whose certificate was uploaded to slot 1 of the VoIP certificates.
- SIP-Trusted-CA-Slot-2
- A check is made to see whether the server certificate was signed by the CA whose certificate was uploaded to slot 2 of the VoIP certificates.
- SIP-Trusted-CA-Slot-3
- A check is made to see whether the server certificate was signed by the CA whose certificate was uploaded to slot 3 of the VoIP certificates.
- Telekom-Shared-Business-CA4
- With this setting, the device only accepts server certificates signed by the Telekom Shared Business CA4 CA.Note: Use this setting for SIP trunk connections from Deutsche Telekom AG.
- Default:
- No verification
