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
- Telnet 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 SIP 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 SIP 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 SIP 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 SIP 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