14 Remote Gateway 911x Series Installation and Administration GuideRemote Gateway 911x Series description Standard 3.0Outgoing call processTo place outgoing calls, users can either pick up the handset on the telephone orpress a line key. There are two types of line keys: host calling keyUse this key to place a call through the host PBX. local calling keyUse this key to place calls through the local PSTN. You can define onelocal calling key on each digital telephone.For a detailed description of the outgoing call process, refer to the sampleillustrations beginning on page 16.Incoming call processWhen someone places a call through the host PBX to a Remote Gateway 911xseries unit, the RLC connects to the remote unit. The host PBX then completesthe call normally. If the RLC cannot establish a connection, the call rings untilthe host PBX forwards the call to voice mail. Refer to Chapter 6, “Using thedigital telephone”, for a more detailed description of the incoming call process.When someone places a call through the PSTN to a Remote Gateway 911xseries unit user, a connection is made from the central office to the RemoteGateway 911x series unit.Note: After a power failure, a Remote Gateway 911x series unit comes backonline and answers all incoming calls. To prevent the unit from staying onlineindefinitely after a power outage, enter a single Offline command in the unit'sOnline/Offline table for the week. Use SPRE codes to go online and offline. Formore information on the Online/Offline table, refer to “Online/Offline Table” onpage 34. For more information on SPRE codes, refer to “Going online andoffline” on page 151.
