Call Manager Fallback Configurations
You can enable Call Manager Fallback commands, using the ios-voice:sip-ua configuration mode. The ios-voice:call-manager-fallback mode is a part of Cisco-IOS-XE-voice module.
The following operations are allowed in the ios-voice:call-manager-fallback mode:
| Operations |
X-path |
| get, get-config, edit-config |
/native/ios-voice:call-manager-fallback |
Prerequisites for Call Manager Fallback Configuration
You can configure any of the call manager fallback commands only if you enable the call-manager-fallback command.
Select Call Manager Fallback Configuration Mode
To enter into the ios-voice:call-manager-fallback configuration mode, follow the x-path provided in the following table:
| Object |
X-path |
| ios-voice:call-manager-fallback |
/native/ios-voice:call-manager-fallback |
Newly Added YANG Models in Release 17.14.1a
The following YANG model is supported from 17.14.1a:
Basic Call Manager Fallback Configurations
The ios-voice:call-manager-fallback configuration mode allows you to configure Unified SRST for Cisco Call Manager fallback using the following commands:
Prerequisites
You must configure fallback using the ios-voice:transport-tcp-tls under ios-voice:transport-tcp-tls-version configuration mode. The ios-voice:transport-tcp-tls-version is configured under ios-voice:call-manager-fallback configuration mode.
To enter into the transport-tcp-tls configuration mode and configure various TLS versions over TCP for user agents, follow the X-path provided in the following table:
| Object |
X-path |
| transport-tcp-tls |
/native/ios-voice:call-manager-fallback/ios-voice:transport-tcp-tls-version/ios-voice:transport-tcp-tls |
| Object |
Description |
X-path |
Value |
Prerequisites |
Remarks |
| transport-tcp-tls |
To configure default TLS over TCP for SCCP User Agent. |
/native/ios-voice:call-manager-fallback/ios-voice:transport-tcp-tls |
N/A |
N/A |
N/A |
| version 1.0 |
To set TLS Version 1.0. |
/native/ios-voice:call-manager-fallback/ios-voice:transport-tcp-tls-version/ios-voice:transport-tcp-tls/ios-voice:v1.0 |
v1.0 |
N/A |
N/A |
| version 1.1 |
To set TLS Version 1.1. |
/native/ios-voice:call-manager-fallback/ios-voice:transport-tcp-tls-version/ios-voice:transport-tcp-tls/ios-voice:v1.1 |
v1.1 |
N/A |
N/A |
| version 1.2 |
To set TLS Version 1.2. |
/native/ios-voice:call-manager-fallback/ios-voice:transport-tcp-tls-version/ios-voice:transport-tcp-tls/ios-voice:v1.2 |
v1.2 |
N/A |
N/A |
| version 1.2 sha2 |
To limit cipher suite choices to SHA2 exclusively in TLS Version 1.2. |
/native/ios-voice:call-manager-fallback/ios-voice:transport-tcp-tls-version/ios-voice:transport-tcp-tls/ios-voice:v1.2/ios-voice:sha2 |
sha2 |
N/A |
N/A |
| version 1.3 |
To set TLS Version 1.3. |
/native/ios-voice:call-manager-fallback/ios-voice:transport-tcp-tls-version/ios-voice:transport-tcp-tls/ios-voice:v1.3 |
v1.3 |
N/A |
N/A |
| version 1.3 sha2 |
To limit cipher suite choices to SHA2 exclusively in TLS Version 1.3. |
/native/ios-voice:call-manager-fallback/ios-voice:transport-tcp-tls-version/ios-voice:transport-tcp-tls/ios-voice:v1.3/ios-voice:sha2 |
sha2 |
N/A |
N/A |