Dialing a Call to a Remote Office 79To send an MWI message:1 Pick up the handset, and press Feature + 412. The Feature Entry Toneplays.2 Dial the extension that you want to call and press #.3 The display panel on your 3Com Telephone shows Success. TheConfirmation Tone plays.Retrieving an MWIMessageTo receive and retrieve an MWI message, you must have a 3ComTelephone with a display panel and a programmable access button withstatus light configured (by your administrator) for MWI Retrieve.A 3Com Entry Telephone cannot receive an MWI message. An analogtelephone cannot receive an MWI message.Cancelling an MWIMessageAfter you have sent an MWI message, you can cancel it and remove itfrom the list on the target telephone. If it is the only unattended MWImessage on the target telephone, cancelling it turns off the MWI light.You can cancel an MWI message only from the same extension fromwhich you sent the MWI message.To cancel an MWI message:1 Pick up the handset and press Feature + 413. The Feature Entry Toneplays.2 Dial the extension to which you sent the MWI message that you want tocancel and press #.3 The Confirmation Tone plays.Dialing a Call to aRemote OfficeYou can dial calls between sites in your organization that are separatedgeographically but that are linked by a Wide Area Network (WAN)connection. Each site must have an NBX system. Typical configurationsare described in the next sections.Using UniqueExtensionsIn the sample network shown in Figure 4, everyone in the entireorganization has a unique telephone extension. Whenever you make acall to an extension that is not located at your own site, your NBX systemsets up a connection to the NBX system at the other extension’s site.
