Chapter 2. Installation61200239L1-20 Express 3010/3110 User Manual 2-5BASIC TELEPHONE SERVICEIn addition to the computer connection, two analog devices such as a tele-phone, Fax, modem, answering machine, or caller ID box can be connect-ed using the two POTS interfaces on the rear panel (RJ-11 jacks labeled 1and 2 with an illustration of a telephone above the jack).Supplementary Voice ServicesSupplementary services such as call forwarding, caller ID, call return,call holding, three- or six-way conference calling, call transfer, call re-jection, and call waiting are fully supported by the Express 3010/3110on a touch-tone telephone. These services are available only if includ-ed in the ISDN line configuration and are implemented using the stan-dard commands provided by the telephone company.Call WaitingCall Waiting permits one voice call to be placed on hold while answeringanother voice call. Use the flash-hook to place the active call on hold andanswer an incoming call. Hanging up terminates both calls. The call wait-ing tone can be disabled and enabled on a per-call basis. To disable callwaiting (using a touch-tone phone), press *70. To enable call waiting,hang up. (The Express defaults to call waiting.)Conference CallingConference Calling (also known as three-way calling) permits a con-versation between three parties, each at different locations.After establishing a voice call, flash-hook to put the first party on holdand receive a second dial tone. Dial the second party. Flash-hookagain to conference the two calls.When connecting to a National ISDN 1 switch, call conferencing, messagewaiting, and call transferring are assigned a unique feature identifiernumber. This number may not be the same in all areas. S-registers 90through 93 contain the feature identifier numbers for conference andtransfer. If these features do not work, contact your ISDN provider.