AcerRouter 700 Series User Guidephone number. If a AcerRouter 700 and any device that supports this “sub-addressing” feature calls each other using this feature (by first dial the main telephonenumber, then press “*” followed by the extension number), the call can be directlyrouted to the corresponding extension. For example, if a remote caller with an ISDNphone dials your ISDN number followed by a “*” and the extension number for portA, only the phone that is connected to port A will ring.The following describes the steps necessary to configure your AcerRouter 700 forproper phone and fax operation.Step 1 Select Voice Adapter from the SMART menu:Configuration - WAN Interfaces - Voice AdapterStep 2 Enter the following information:ISDN B1/B2 Directory Number: These are the two phone numbers yourISDN service provider (i.e., your phone company) assigns to you.If your ISDN service provider offers a third ISDN Directory number, thiscan be configured from the Command Line Interface.A call will ring ...: you can select any combination of phones to ring whena call is received.Voice Port A, B or C extension Number: this is a 1-8 digit number. Inthe example shown below, extension 11, 22, and 33 have been assigned toport A, B and C respectively. An extension number must be entered foreach voice port. However, the use of a number beginning with a zero is notallowed.Voice port A extension numberVoice port B extension numberVoice port C extension numberPort ConfigurationVoice AdapterISDN-B1 directory numberISDN-B2 Directory NumberRing Phone(s)When a voice call is received on B1A call will ringVoice port AVoice port BVoice port CRing Phone(s)A call will ringVoice port AVoice port BVoice port CWhen a voice call is received on B1112233APPLY