CHAPTER 8. Starting the System8-4 © Samsung Business Communications.8.4 Checking System OperationAfter starting the OfficeServ 7400 system, check that it is operating normally. From aphone, check that the basic functions such as station calling, station camp-on, C.O. linecalling, and C.O. line camp-on are working properly.8.4.1 Station Call Function1) Lift the handset and verify the intercom dial tone.2) Dial an extension number and check that the dial tone stops.3) Dial all extension numbers and verify the ring-back tone.4) When a recipient answers the call, verify the call quality.5) Hang up the phone and call a busy station. Verify the busy tone.8.4.2 Station Camp-On FunctionIf a caller dials a number and the recipient is busy on another call, this function automati-cally connects the recipient and the caller immediately the recipient hangs up their currentcall.1. Lift the handset of a phone (A) and dial a busy station (B) to verify the busytone. (Make phone B busy, e.g. by calling the speaking clock.)2. Press the hookflash button and check that the busy tone stops.3. Dial the Camp-On code and verify the confirmation tone.4. Replace the handset of phone A5. Replace the handset of phone B and check that A rings.6. Lift the handset of A, check that it stops ringing and confirm that B rings.7. Lift the handset of B and check that it stops ringing. Check that the ring back tone in Aalso stops and that A and B are connected in a call.