Direct Inward System Access

Advanced Operation	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.
Strata CTX Standard		#609Telephone12User Guide October 2002	17