This command is used to select the called-number that will match this dial-peer on the inbound call leg. The ^ means "begins with" and the $ means "ends with". This statement is to match the called-number "AAAA" exactly. If a call matches this called-number, this would be used as the inbound dial-peer.
This dial peer command defines the called number destination or dialed number identification service (DNIS) string. When properly configured, this dial peer command uses the called number to match the incoming call leg to an inbound dial peer.
Called number (DNIS)
Refer this URL to understand the dial-peer matching
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.