If you apply the translation to the voice-port, it applies to all calls traversing the port.
If you apply it to a dial-peer, it applies to all calls matching that peer.
Which is best depends on your scenario. If you have one E1, and want all calls treated the same... apply it on the port. If you want different translations depending on what has been dialled for outbound calls, apply translations on the dial-peers... etc etc.
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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.