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Strata CTX Standard Telephone User Guide October 2002
17
Advanced Operation
Direct Inward System Access
Direct Inward System Access
Outside callers with touch tone phones can call in to lines programmed for Direct Inward System
Access (DISA) and dial an extension or outgoing line without going through an attendant or operator.
See your CTX System Administrator for more details.
1. From outside the system, dial the public telephone number assigned to DISA. The call is answered
and you hear CTX dial tone. If you do not dial within 10 seconds, the line disconnects.
2. When you hear dial tone, dial an extension or an outside line.
3. If you dial an outside destination, you may need to enter a security code provided to you by the CTX
System Administrator. When you hear the tone, enter the security code. If accepted, the call proceeds.
4. If you receive busy tone and you want to dial another number while the station is still ringing, press
and repeat Step 2.
Do Not Disturb
If your station is in Do Not Disturb (DND) mode, internal, external and transferred calls do not ring
your station and Off-hook Call Announce calls are denied. You can continue to make calls while in
the DND mode. When originating a call in DND mode, you will hear a short burst of interrupted dial
tone followed by continuous dial tone. You can start dialling at any time during either tone.
If you put your Primary extension into DND mode, all calls to that telephone are rejected. If your
extension is set for Call Forward-Busy or Call Forward-Busy/No Answer, the call is redirected to the
forwarding destination immediately.
If you put an extension other than the Primary extension into DND, only calls to that extension on
your phone will be blocked. Appearances of that extension on other telephones continue to ring.
➤
To activate DND
➤ Press
(hear Success Tone). When making calls, dial tone is stuttered while DND is active.
➤
To deactivate DND
➤ Press
(hear Success Tone). DND mode is de-activated.