Operational, Basic, and Advanced Parameters41-001129-00 Rev 09, Release 1.4.1 A-83Configuration ParametersAppendix AParameter –sip intercom prefix codePrefix Code(in Web UI)Aastra Web UI Basic Settings->Preferences->Outgoing Intercom SettingsConfiguration Files aastra.cfg, .cfgDescription The prefix to add to the phone number for server-side outgoing Intercomcalls. This parameter is required for all server-side Intercom calls.Note: The example below shows *96 for the prefix code which is used forSylantro servers.Format StringDefault Value N/ARange N/AExample sip intercom prefix code: *96Parameter –sip intercom lineLine(in Web UI)Aastra Web UI Basic Settings->Preferences->Outgoing Intercom SettingsConfiguration Files aastra.cfg, .cfgDescription Specifies the line for which the IP phone uses the configuration from,when making the Intercom call. The IP phone uses the first available linefor physically making the call but uses the configuration from the line youset for this parameter.Note: The "sip intercom type" parameter must be set with the Server-Sideoption to enable the "sip intercom line" parameter.Format IntegerDefault Value 1Range Line 1 through 9Example sip intercom line: 1DFW Phone 972-992-4600