Single Line Digital Telephone Features | Automatic Callback (ACB) |
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Automatic Callback (ACB)
After reaching a busy or the Do Not Disturb (DND) mode, you can set ACB to have the system call you back when the called station is no longer busy or in the DND mode. ACB does not apply to outside calls.
1. | After reaching a busy station, press | You hear busy tone, followed by dial tone (two secs.), then |
| 4. | busy tone. |
2. | Hang up. | You can make other calls while waiting for the called station |
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| to become available. |
3.Line rings at a fast rate when the called station becomes idle.
4. Answer within three rings to | You hear a single tone, as if making a regular internal call. If |
prevent the callback from being | you used Tone Signalling instead of Voice First Signalling, |
cancelled. | you hear repetitive ringing. |
| If you hear busy tone after answering, it means the called |
| party has already received or originated another call. Your |
| request is not cancelled. You will be called again when the |
| station becomes idle. |
5. If you were attempting to make an | If the original call was made using LCR, the telephone |
outside call and did not use LCR, | number is automatically dialled. |
redial the telephone number. |
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➤To cancel ACB (to busy or DND station)
1. | Lift the handset | You hear internal dial tone. |
| ...or lift the handset and press Line. |
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2. | Press #43. |
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3. | Hang up. |
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Strata CT Digital Telephone User Guide November 2001 | 119 |
