Samsung ITP-5121D 用户手册

Hookflash and then dial 18 to disconnect your outside call and receive telephone
company dial tone for a new call.

If you receive a busy signal when you select an outside line:

•

While on that call, hookflash, receive transfer tone and dial 44.

•

When the line becomes free, the system will call you back.

•

Lift the handset, receive dial tone and dial the telephone number or the
speed dial number again.

NOTE: A callback will be canceled if it is not answered within 30 seconds.

5

4

•

Lift the handset and receive internal dial tone.

•

Dial a C.O. line or line group access code.

•

Receive outside dial tone and then dial the telephone number.

•

Finish the call by replacing the handset.

If your system is programmed to require an authorization code before making a
call:

•

Dial 

, and a valid code. You will hear confirmation tone, followed by dial

tone. 

•

Select a C.O. line.

If your system is programmed to require an account code before making a call:

•

Dial 47 and a valid code.

•

Hookflash and receive transfer tone. Select a C.O. line.

For more information see your system administrator.

•

Lift the handset. You are automatically connected to the ringing call.

•

Finish the call by replacing the handset.

Outside lines may be programmed to ring a general alerting device. To answer
calls ringing this device, dial 67. This device can operate in any system ring mode.

While you are on an outside call, hookflash, receive transfer tone and dial 49 to
send a flash to the telephone company. This may be required for some custom call-
ing features or CENTREX lines.

Note: Flash is not available on an ISDN circuit.