McDewey

If you want to use the Phone Security Profile, consider changing it to use an encrypted mode. Note • Phones Support—For information on the list of supported features for Cisco Video Phone 8875 and Cisco Desk Phone 9800 Series, see the following: • Release Notes for Cisco Video Phone 8875 on Cisco Unified CM • Release Notes for Cisco Desk Phone 9800 Series Ports Affected by Transport Layer Security Version 1.3 Cisco Unified Communications Manager Ports Affected by Transport Layer Security Version 1.3 The following table lists the Unified Communications Manager Ports Affected By TLS Version 1.3: Table 37: Cisco Unified Communications Manager Ports Applicable for Transport Layer Security Version 1.3 Cisco Unified Communications Manager Operating in Normal mode Destination / Listener Protocol Application Minimum TLS version 1.3 Minimum TLS version 1.2 Minimum TLS version 1.1 Minimum TLS version 1.0 TLS 1.3 TLS 1.2, TLS 1.3 TLS 1.1, TLS 1.2, TLS 1.3 TLS 1.0, TLS 1.1, TLS 1.2, TLS 1.3 443 HTTPS Tomcat TLS 1.3 TLS 1.2, TLS 1.3 TLS 1.1, TLS 1.2, TLS 1.3 TLS 1.0, TLS 1.1, TLS 1.2, TLS 1.3 2443 Signalling Connection Control Part (SCCP) SCCP - SEC - SIG TLS 1.3 TLS 1.2, TLS 1.3 TLS 1.1, TLS 1.2, TLS 1.3 TLS 1.0, TLS 1.1, TLS 1.2, TLS 1.3 2444 Proprietary CTL-SERV TLS 1.3 TLS 1.2, TLS 1.3 TLS 1.1, TLS 1.2, TLS 1.3 TLS 1.0, TLS 1.1, TLS 1.2, TLS 1.3 2749 Quick Buffer Encoding (QBE) Computer Telephony Integration (CTI) TLS 1.3 TLS 1.2, TLS 1.3 TLS 1.1, TLS 1.2, TLS 1.3 TLS 1.0, TLS 1.1, TLS 1.2, TLS 1.3 3804 Transmission Control Protocol (TCP) CAPF-SERV Security Guide for Cisco Unified Communications Manager, Release 15 and SUs 212 Basic System Security Ports Affected by Transport Layer Security Version 1.3