I have a vey simple VoIP network to implement: three sites connected by a Frame-Relay cloud with a VoIP VLAN in each site. I have to connect two IP Phones (7960) for each site and they must communicate among them, while there is no need to interface with analog telephone networks.
I woudl like to use SIP and, as far as I know, it is a peer-to-peer protocol, so I guess it does not need a centralized manager. I know about SIP proxy, but I guess it is not needed, though it may be used. However, tha IP phone configuration guide seems to state that you must configure a SIP proxy. Is this true? In this case, can it be implemented by a router with advanced security IOS?
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.