To enable SIP digest authentication, use the authentication command in SIP UA configuration mode. To disable SIP digest authentication, use the no form of this command.
The following configuration rules are applicable when enabling digest access authentication:
Only one username can be configured globally in SIP UA configuration mode. Any existing username configuration must be removed before configuring a different username.
A maximum of five password or realm arguments are allowed for a given usernameargument.
The username and password arguments are used to authenticate a user. An authenticating server/proxy issuing a 407/401 challenge response includes a realm in the challenge response and the user provides credentials that are valid for that realm. Because it is assumed that a maximum of five proxy servers in the signaling path can try to authenticate a given request from a user-agent client (UAC) to a user-agent server (UAS), a user can configure up to five password and realm combinations for a configured username.
The realm specification is optional. If omitted, the password configured for that username applies to all realms that attempt to authenticate.
Only one password can be configured at a time for all configured realms. If a new password is configured, it overwrites any previously configured password.
This means that only one global password (one without a specified realm) can be configured. If you configure a new password without configuring a corresponding realm, the new password overwrites the previous one.
If a realm is configured for a previously configured username and password, that realm specification is added to that existing username and password configuration. However, once a realm is added to a username and password configuration, that username and password combination is valid only for that realm. A configured realm cannot be removed from a username and password configuration without first removing the entire configuration for that username and password--you can then reconfigure that username and password combination with or without a different realm.
In an entry with both a password and realm, you can change either the password or realm.
credentials (SIP UA)
To configure a Cisco IOS Session Initiation Protocol (SIP) time-division multiplexing (TDM) gateway, a Cisco Unified Border Element (Cisco UBE), or Cisco Unified Communications Manager Express (Cisco Unified CME) to send a SIP registration message when in the UP state, use the credentials command in SIP UA configuration mode. To disable SIP digest credentials, use the no form of this command.
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...