Connected line identification works the other way round: it allows the caller to see the number of the person answering the phone. This may not always be the same as the number they dialled — for example, where someone has forwarded out-of-hours business calls to their private line or mobile phone. The rules about CLI are in regulations 10 to In brief, where CLI is available, service providers must:.
These rules apply to all service providers eg telecoms providers. All network or service providers must also comply with any reasonable requests from another service provider in this area. You must give your subscribers the option of automatically preventing caller ID in other words, to withhold their number on every call made on their line. This option should be free and simple.
To block a specific number:
You must also provide a free and simple way for any user to withhold the number on a particular call even if the subscriber has not chosen to automatically withhold the number on every call — for example, by entering a prefix code before dialling the phone number they wish to call. You must give your customers the option of preventing caller ID on incoming calls.
This option must be free for reasonable use and simple. You must give your customers a simple way of rejecting calls if the caller has withheld their number sometimes called anonymous call rejection, or ACR. Because this must be available to the subscriber and not just the user, our view is that you must offer automatic call rejection.
We are aware that automatic network-level call rejection is not currently feasible on all categories of service, for example on mobile services. We therefore advise that automatic network-level call rejection should be offered where it is technically feasible for the category of service. You must offer other options — eg a call-reject button on the device — if automatic network-level call rejection is not possible.
You must also give customers receiving calls the option of withholding their number from the caller. This is to preserve their privacy if they have forwarded calls to a different number from the one the caller dialled — for example, if business calls have been forwarded to a mobile phone.
- What is a withheld number and how do I use it? | BT Business;
- Change the settings on your smartphone to stop junk calls.
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Regulation 17 also requires service providers to terminate unwanted call forwarding. It's available on your phone right now. Charges apply for forwarded calls. Find out more. Give unwelcome calls a special ringtone Your mobile phone may let you assign a ringtone to a number. Check with your phone's user guide for more information. Have you noticed a pattern in the unwelcome calls?
For example, are the calls limited to particular days or times of day? A charge applies when you successfully retrieve the number of your last unanswered call. Normal call charges apply if you return the call. Call Return is not available for blocked calls and is available from tone phones in most areas. The caller's number will not be displayed if the caller ID is blocked.
Private Callers: Find Out Who's Calling
For landlines we offer a monthly rental service with an option to rent the Telstra Calling Number Display telephone. On mobiles calling number display is automatic and there is no charge. Call for more information. Standard MessageBank for Telstra mobile services is automatically activated. There is no charge for monthly access on this service; diversion and retrieval charges apply.
Harrasing calls from "withheld" number
Call for more information about directory listings for mobiles. Malicious Call Trace Do you think the call is malicious? Malicious calls can be threatening or unwanted. Malicious Call Trace is a service that helps residential and business customers respond to these calls with the help of Telstra and the police. It records details about the source of the threatening call, helping you to identify the offender using controlled procedures with the help of Telstra and the police.
Malicious Call Trace also provides evidence for court proceedings, as records can be presented in courts of law. Malicious Call Trace is a controlled product. Monthly rental charges may apply. Contact us to find out more.
Some telemarketing companies use predictive dialling equipment. This can cause automatic hang up calls after a few seconds to your phone service. If you think you're receiving unwelcome telemarketing calls, you can register your phone number with the Do Not Call Register website. These are calls where the caller uses an operator to call your phone.
This may be using either a recorded voice announcement, or a consultant. Did the call come from Telstra Reverse Charge Calls?
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Did the call come from Reverse? Contact the Reverse Customer Enquiries Centre on during business hours. For landlines Silent Line charges apply. These are calls with high-pitched beeping, screeching or other electronic tones. These are often caused by fax or modem equipment, and are usually the result of incorrectly entered numbers. This service can be used to forward calls from selected numbers prior to the call reaching your phone.
The service is available on landlines, charges apply.
On mobiles caller display is automatic and there is no charge. Skip to main content. Telstra Home Page. Tablets Tablets on a plan Pre-Paid Tablets homepage. Home Phones Plans Handsets Home phones homepage. Network speeds Connecting to nbn nbn homepage. Platinum Support. Foxtel from Telstra. Telstra TV.
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