How to call private on Android – a phrase that whispers of intrigue and secrets! Ever wanted to make a call where your number remains a mystery? Perhaps you’re safeguarding your privacy, or maybe you just enjoy a little enigma. Whatever your reasons, the ability to dial anonymously is a surprisingly accessible feature on your Android device. It’s a journey into the world of digital discretion, where you’ll discover the simple yet powerful tools at your fingertips to control your caller ID.
We’ll unravel the mystery, explore the options, and equip you with the knowledge to make those calls on your own terms. Prepare to step into the shadows of the phone network, where your identity is a well-kept secret.
We’ll delve into the core concept of private calling, understanding its meaning on your Android and why you might want to embrace this feature. We’ll explore the common jargon, from “hidden number” to “caller ID blocked,” becoming fluent in the language of anonymity. This journey will guide you through the various methods, from simple phone app settings to third-party apps and even network configurations, empowering you to choose the approach that best suits your needs.
We’ll also consider the potential legal and ethical implications, ensuring you’re well-informed about the responsible use of this technology.
Understanding Private Calling on Android

Making a private call on your Android device is like sending a secret message. It’s about keeping your phone number hidden from the person you’re calling. This guide will walk you through the ins and outs of private calling, explaining why you might choose to use it and the key terms involved.
Concept of Private Calling
Essentially, private calling on Android means preventing your phone number from appearing on the recipient’s caller ID. Instead of your number, they’ll see something like “Private Number,” “Unknown,” or “Blocked.” This is achieved by using specific features or settings on your device or through your carrier.
Reasons for Making Private Calls
There are several reasons why someone might opt to make a private call. These range from protecting personal privacy to ensuring the anonymity of a caller.
- Privacy Protection: A primary reason is to shield your phone number from the recipient. This is particularly useful when contacting businesses, potential employers, or individuals you don’t want to have your number.
- Avoiding Call Screening: Some people use private calling to bypass call screening systems or automated answering services that might reject unknown numbers.
- Reporting Sensitive Information: When reporting a crime or providing information anonymously, private calling offers a layer of protection.
- Avoiding Unwanted Callbacks: Preventing the recipient from calling you back, especially in situations where you want to remain unreachable.
Common Terminology
Understanding the terminology associated with private calling is crucial. Here are some key terms:
- Hidden Number: This is the most straightforward term, simply meaning your phone number is not displayed on the recipient’s caller ID.
- Caller ID Blocked: This term is frequently used, indicating that your caller ID has been blocked, preventing your number from being shown.
- Private Number: The recipient’s phone displays “Private Number” or a similar phrase instead of your actual phone number.
- Unknown Number: In some cases, the recipient’s phone may display “Unknown Number” when receiving a private call.
Methods to Make a Private Call
There are various methods to initiate a private call on your Android device. These methods depend on your carrier, your device, and the specific call you are making.
- Per-Call Blocking: You can often dial a specific code, such as
-67, before the phone number to block your caller ID for that single call. - Carrier Settings: Some carriers provide settings to permanently block your caller ID, affecting all outgoing calls.
- App-Based Solutions: Certain apps offer private calling features, allowing you to make calls with a masked number. These often provide additional privacy features.
Disclaimer
It is important to note that while private calling provides a level of anonymity, it is not foolproof. Law enforcement agencies can often obtain caller information even when a number is blocked. Use private calling responsibly and ethically.
Methods for Making Private Calls on Android
Alright, let’s dive into the nitty-gritty of keeping your caller ID under wraps when using your Android device. It’s like being a secret agent, but instead of gadgets, you’ve got phone settings and a few clever codes. This section will walk you through the practical steps you can take directly within your phone app to make those calls a little more mysterious.
Blocking Caller ID in Phone App Settings
The Android phone app offers a built-in method for blocking your caller ID, though the availability and specific steps can vary slightly depending on your phone’s manufacturer and the version of Android it’s running. Generally, you’ll be navigating through the app’s settings to find the caller ID configuration. This approach typically applies the privacy setting to all outgoing calls from your device.Here’s how to do it:
- Open your phone app. This is the app you use to make calls, usually represented by a phone icon.
- Tap on the menu button. This is often represented by three vertical dots (⋮) or three horizontal lines (☰) located in the top right corner of the screen.
- Go to Settings. Look for an option labeled “Settings,” “Call Settings,” or something similar.
- Find “Supplementary Services” or “Additional Settings”. This section might be labeled differently depending on your phone.
- Look for “Show my caller ID” or “Caller ID”. You’ll usually see options like “Network default,” “Show number,” or “Hide number.”
- Select “Hide number.” This option will block your caller ID.
Keep in mind that while this method is generally effective, some carriers might override this setting, especially in certain regions or with specific business accounts.
Dialing a Code Before the Phone Number
Another way to make a private call on Android involves dialing a specific code before the phone number. This code tells your carrier to temporarily block your caller ID for that single call. The exact code you need to use is usually consistent across most networks, but it’s always a good idea to confirm it with your carrier if you’re unsure.The process is pretty straightforward:
- Open your phone app.
- Dial the code. The standard code is
*67
.
- Enter the phone number you wish to call.
- Tap the call button.
The receiver will see “Private number,” “Unknown number,” or something similar on their phone, indicating that your caller ID has been blocked. This method offers a call-by-call privacy option, allowing you to choose when to hide your number.For example, imagine you’re a journalist trying to reach a source for an exclusive story. Using67 allows you to protect your identity while gathering crucial information.
Similarly, if you are calling a business to ask about a product, you can keep your number hidden.
Making a Private Call Using the Phone App: Step-by-Step Procedure
Here’s a concise procedure summarizing the combined methods for making a private call using the phone app. This offers a clear, actionable guide to achieving caller ID privacy.
- Choose Your Method: Decide whether to use the phone app settings (for all calls) or the dialing code (*67 for individual calls).
- Settings Method: If using settings, navigate to your phone app’s settings and select the “Hide number” option under “Caller ID.”
- Dialing Code Method: If using the dialing code, open the phone app’s dialer.
- Dial the Code (if applicable): If using the dialing code, enter
*67
.
- Enter the Phone Number: Type in the phone number of the person you want to call.
- Make the Call: Tap the call button to initiate the call.
- Verify Privacy (Optional): On the receiving end, the recipient should see “Private number,” “Unknown number,” or a similar indication that your caller ID is blocked.
Methods for Making Private Calls on Android
In the quest for secure and discreet communication, Android users have several avenues to explore. Beyond the native options discussed earlier, third-party applications offer a diverse range of features tailored for private calling. These apps often leverage technologies like Voice over Internet Protocol (VoIP) and encryption to provide an extra layer of privacy. Choosing the right app depends on individual needs, balancing factors like security, cost, and ease of use.
Using Third-Party Apps
The landscape of private calling on Android is populated by a variety of third-party applications, each with its own strengths and weaknesses. Understanding these advantages and disadvantages is crucial for making an informed decision.
- Advantages: Third-party apps frequently provide features beyond basic call privacy. They may offer call recording, call forwarding, and even disposable phone numbers. Some apps use end-to-end encryption, ensuring that only the caller and recipient can decipher the conversation. The use of VoIP can also significantly reduce call costs, especially for international calls. Another benefit is the ability to bypass geographic restrictions or censorship, allowing users to communicate freely regardless of their location.
- Disadvantages: Relying on third-party apps introduces potential security vulnerabilities. Users must trust the app developers with their data and communication. The app’s security practices, including encryption methods and data storage policies, are critical considerations. Some apps may require payment for premium features or have subscription models. The quality of calls can also vary depending on the user’s internet connection.
Furthermore, the recipient of a call must also have the same app installed to receive the call, which can be a barrier to communication.
Comparing different third-party apps helps clarify the options available to users. Several apps cater to private calling needs, each with a unique set of features and pricing structures. Let’s delve into a comparison of a few prominent players in this space.
To facilitate a clearer understanding, a comparative table provides a concise overview of key features across several popular private calling apps:
| App Name | Key Feature | Encryption Type | Pricing |
|---|---|---|---|
| Signal | End-to-end encrypted calls and messages | End-to-end (Signal Protocol) | Free |
| End-to-end encrypted calls and messages | End-to-end (Signal Protocol) | Free | |
| Telegram | Secret Chats with end-to-end encryption, regular chats not encrypted by default | End-to-end (for Secret Chats only, MTProto for regular chats) | Free (with optional premium features) |
| Threema | End-to-end encrypted calls and messages, no phone number required | End-to-end (using NaCl library) | Paid (one-time purchase) |
This table highlights some of the critical distinctions between the apps. Signal and WhatsApp, while free and user-friendly, require the recipient to also use the app. Telegram offers a wider range of features, but only its “Secret Chats” provide end-to-end encryption by default. Threema, while a paid app, offers enhanced privacy through its anonymous registration and robust encryption.
Methods for Making Private Calls on Android
In the realm of mobile communication, the ability to control your privacy is paramount. Beyond the built-in features of your Android device, your mobile network provider offers another layer of control, allowing you to mask your caller ID. This approach provides a different avenue for safeguarding your personal information and ensuring your calls remain discreet.
Using Network Settings to Block Caller ID
Your mobile carrier often provides a mechanism to prevent your phone number from being displayed on the recipient’s phone. This functionality typically involves a few key steps. It’s important to remember that the availability and specific methods vary based on your service provider and the region you are in.To block your caller ID, you can use the following methods:
- Using a Prefix: Some carriers allow you to dial a specific code
-before* the phone number you’re calling. This code tells the network to hide your caller ID for that specific call. For example, you might dial “*67” followed by the phone number (e.g.,
-675551234). The exact prefix will be determined by your mobile carrier. - Network Settings in the Phone App: Some Android phones offer settings within the phone app to block caller ID for all outgoing calls. The exact location of these settings varies by phone manufacturer and Android version, but it is typically found in the call settings or phone settings menu. Look for options like “Show my caller ID” or “Hide my number”.
- Checking Carrier’s Website or App: Most carriers have websites or mobile apps where you can manage your account settings. This may include the ability to block your caller ID permanently or temporarily. Log into your account and search for settings related to “Caller ID”, “Privacy”, or “Call Blocking”.
Contacting Your Mobile Carrier to Permanently Block Caller ID
For a more persistent solution, reaching out to your mobile carrier is the most effective approach. This method ensures that your caller ID is hidden on all outgoing calls unless you explicitly choose to unblock it.The process of contacting your carrier and requesting a permanent caller ID block generally involves these steps:
- Locate Contact Information: Find your carrier’s customer service contact information. This is typically available on their website, in your account portal, or on your monthly bill.
- Contact Customer Service: Call the customer service number or use the online chat feature to speak with a representative.
- Request Caller ID Blocking: Clearly state your request to permanently block your caller ID. Be prepared to provide your account information for verification.
- Confirm the Blocking: The representative will confirm the request and explain the changes to your account. They may inform you about any associated fees or limitations.
- Verify the Change: After the changes have been made, test the blocking by calling a friend or family member and asking them to check if your number is displayed.
It is important to understand that permanently blocking your caller ID may have limitations. Some businesses and emergency services may still be able to see your number, even with this feature enabled.
Situations Where Blocking Caller ID at the Network Level Might Be Useful
There are several situations where blocking your caller ID at the network level can be beneficial. This level of control adds an extra layer of privacy and security to your communications.Here are some scenarios where this feature is particularly valuable:
- Protecting Personal Information: When calling businesses or individuals you do not know well, blocking your caller ID helps protect your phone number from being added to unwanted contact lists or databases.
- Making Sensitive Calls: If you are discussing confidential matters, such as medical information or legal advice, hiding your caller ID can provide an extra layer of security.
- Avoiding Unwanted Contact: Blocking your caller ID can help prevent unwanted calls from telemarketers or other individuals.
- Reporting Suspicious Activity: If you need to report suspicious activity or harassment, blocking your caller ID can help protect your identity.
- Professional Communications: For professionals who frequently contact clients or customers, using a blocked caller ID can help maintain a degree of privacy.
The use of network-level caller ID blocking, combined with other privacy measures, provides a comprehensive approach to managing your digital footprint and protecting your personal information.
Troubleshooting Private Calling Issues
Sometimes, despite your best efforts to cloak your caller ID, things don’t go as planned. Frustration can quickly mount when your carefully crafted anonymity crumbles, leaving you wondering why your call isn’t private. Let’s delve into the common hiccups and how to iron them out, ensuring your calls remain hidden when you want them to be.
Identifying Common Problems
Before diving into fixes, let’s identify the usual suspects behind private calling failures. These are the gremlins that often disrupt your attempts at stealth communication.
- Network Compatibility Issues: Not all networks play nice with private calling. Some older or less sophisticated networks might not fully support the feature, leading to your number showing up regardless.
- Incorrect Dialing Sequence: Entering the wrong code, such as
-67 or #31# (or the equivalent for your carrier), can render your privacy efforts futile. A simple typo can undo all your prep work. - Carrier Restrictions: Your mobile carrier might have policies that limit or even block private calling altogether. This could be due to local regulations or internal business decisions.
- Recipient’s Device Settings: The person you’re calling could have settings on their phone that automatically reject calls from blocked numbers. In this scenario, your call might go straight to voicemail.
- App Conflicts: If you’re using a third-party app to make private calls, it might conflict with your phone’s native settings or other installed apps, causing problems.
Solutions for Connection Failures
When a private call refuses to connect or displays your number instead of “Private Number,” there are several troubleshooting steps to try. These are practical actions to restore your call’s secrecy.
- Verify the Dialing Code: Double-check the code you’re using to block your caller ID.
-67 is common in North America, but other regions might use different codes or prefixes. Ensure you’re dialing the correct sequence
-before* the phone number. - Restart Your Phone: A simple restart can often resolve temporary software glitches that interfere with your phone’s functions, including private calling. Turn off your phone, wait a few seconds, and then turn it back on.
- Check Your Carrier’s Policies: Contact your mobile carrier to confirm that private calling is supported on your plan and that there are no restrictions in place. Ask about any specific dialing procedures they recommend.
- Try a Different Method: If one method isn’t working, experiment with others. For example, if
-67 fails, try using your phone’s settings to block your caller ID (if your phone allows it) or a different privacy app. - Test on Multiple Devices: Make a private call to a different phone. This helps determine if the issue is with your device, the recipient’s device, or the network.
- Clear Cache and Data (for Apps): If you’re using a third-party app, clear its cache and data in your phone’s settings. This can eliminate corrupted files that might be causing the issue.
Verifying Caller ID Blocking Success, How to call private on android
It’s crucial to confirm whether your efforts to block your caller ID are successful. Here’s how to ensure your calls truly remain private.
- Call Your Voicemail: Most voicemail systems display the caller’s number. If your number is successfully blocked, your voicemail should not identify your number. Instead, it should show “Private Number,” “Unknown,” or similar text.
- Ask a Friend: Have a trusted friend or family member answer your private call. They can then tell you whether your number is displayed or hidden.
- Use a Different Phone: If you have access to another phone, make a private call to it. This provides a second point of verification.
- Check Call Logs (Recipient’s Phone): If the recipient is willing, ask them to check their call logs to see what information appears about your call. If it shows your number, then the blocking failed.
- Consider Call Recording: If you need absolute proof, you can use a call recording app (with the recipient’s consent, of course). The recording should show the display on the receiving end.
Legal and Ethical Considerations of Private Calling

Making a private call might seem straightforward, a simple tap on your phone, but it opens a Pandora’s Box of legal and ethical complexities. Before you decide to cloak your number, it’s crucial to understand the potential ramifications of your actions, not just for you, but also for those you’re contacting. The laws and ethical guidelines surrounding private calling are as varied and complex as the communication landscape itself.
Legal Implications of Private Calling in Different Regions
The legality of private calling hinges heavily on where you are making the call and where the recipient is located. Different jurisdictions have different rules regarding the disclosure of caller ID information and the recording of phone calls. Ignoring these regulations could lead to significant legal trouble.In many regions, deliberately concealing your caller ID is perfectly legal, allowing you to make anonymous calls without fear of repercussions.
However, this freedom is not absolute and is often subject to specific limitations. For example, in some areas, if you are using private calling to harass, threaten, or commit a crime, the anonymity afforded by private calling may be revoked, and your identity could be revealed to law enforcement.Here are some points to consider:
- United States: The laws governing private calling vary by state. While blocking your caller ID is generally permitted, using it to harass, threaten, or commit fraud can lead to legal action. Some states also have laws requiring consent for recording phone calls; if you’re recording a private call, ensure you comply with these regulations. The Telephone Consumer Protection Act (TCPA) restricts unsolicited telemarketing calls, even if made from a private number.
- European Union: The General Data Protection Regulation (GDPR) has implications for private calling. If you are collecting or processing personal data during a private call, you must comply with GDPR regulations, including obtaining consent and providing information about how the data will be used. Additionally, the EU’s ePrivacy Directive regulates the use of caller ID and call recording, requiring consent for recording calls and restricting the disclosure of caller ID information without consent.
- United Kingdom: Similar to the US, blocking caller ID is generally permissible. However, using private calling to harass or threaten individuals is illegal and can lead to prosecution. The UK also has specific laws regarding the interception of communications and the recording of phone calls, which must be adhered to.
- Canada: Blocking caller ID is generally allowed, but using it for illegal activities, such as harassment or fraud, can result in legal consequences. Canada’s privacy laws, like the Personal Information Protection and Electronic Documents Act (PIPEDA), can impact how personal information is handled during private calls, especially if recording calls.
- Australia: The laws regarding private calling are similar to those in the UK and Canada. Blocking caller ID is usually allowed, but using it for illegal activities is not. The Privacy Act 1988 regulates how personal information is handled, including during private calls.
Remember that these are just general guidelines, and the specific laws can vary. Always research the relevant laws in your region before making private calls. Ignoring the legal framework could result in serious consequences, including fines, lawsuits, or even criminal charges.
Ethical Considerations Associated with Using Private Calling Features
Beyond the legal framework, the ethical considerations of using private calling features are equally important. While anonymity can provide a sense of security, it can also be a tool for manipulation, deception, and even harm. Before you hide your number, ask yourself: “What is my intention?”The core ethical principle to consider is transparency. When you choose to hide your number, you are essentially withholding information about your identity.
This can be problematic in certain situations.Here are some ethical points to think about:
- Deception and Misrepresentation: Using private calling to deceive someone is unethical. For example, pretending to be someone you are not or making false promises while concealing your identity is a form of dishonesty.
- Manipulation: Private calling can be used to manipulate others. By remaining anonymous, you might attempt to influence someone’s decisions or actions without them knowing who is truly behind the communication.
- Harassment and Bullying: While the legal implications of harassment are severe, it’s also ethically wrong. Private calling can be a tool for harassing or bullying someone without revealing your identity. This can inflict emotional distress and damage a person’s well-being.
- Privacy Violations: If you are making a private call to collect information from someone without their consent, you might be violating their privacy.
- Lack of Accountability: When you make a private call, you remove the usual sense of accountability. If you are sharing information, your words will have the same weight as they would without concealing your number.
The key to ethical private calling is to use it responsibly. Consider the impact of your actions on the recipient. Would you be comfortable having the conversation with your identity revealed? If not, it’s probably best not to make the call in the first place.
Examples of Situations Where Using Private Calling Might Be Considered Unethical
There are many instances where using private calling is questionable from an ethical standpoint. Here are some examples:
- Making a prank call: While seemingly harmless, prank calls can be disruptive, time-wasting, and emotionally distressing for the recipient.
- Contacting a vulnerable individual: If you know the person you’re calling is vulnerable (e.g., elderly, mentally ill), using private calling to solicit information or make requests can be unethical, as it takes away their ability to make informed decisions.
- Spreading rumors or misinformation: If you are spreading gossip or unverified information, hiding your identity makes it more difficult to verify the information’s source. This lack of transparency can amplify the spread of false information and cause reputational harm.
- Soliciting personal information: Attempting to obtain personal details (e.g., financial information, passwords) through a private call is highly unethical. This can be a precursor to fraud or identity theft.
- Making threats or expressing violent intentions: Any call that involves threats or expressions of violence is ethically wrong and likely illegal. Hiding your number does not excuse these actions.
In all these scenarios, using private calling adds an extra layer of deceit. It prevents the recipient from knowing who they are talking to, making it difficult to assess the caller’s intentions and the credibility of their statements.
Alternatives to Private Calling
Sometimes, you might not want to hide your number, but you still need to protect your privacy during phone calls. Luckily, there are several alternatives to private calling that offer varying levels of anonymity and security. These methods range from simple adjustments to your calling habits to utilizing specific technologies. Let’s explore these options, ensuring you can communicate securely and with peace of mind.
Protecting Your Privacy Beyond Number Hiding
Rather than solely relying on hiding your number, consider these alternative strategies to safeguard your privacy during phone conversations. These approaches involve a combination of practices and technologies, providing a more comprehensive approach to protecting your personal information.
Tips for Maintaining Phone Call Privacy
To maximize your privacy while using your phone, consider incorporating these practical tips into your daily communication routine. These suggestions offer a blend of technological adjustments and behavioral changes, enhancing your overall call security.
- Use End-to-End Encrypted Calling Apps: Applications like Signal, WhatsApp, and Telegram offer end-to-end encryption, ensuring that only you and the recipient can hear the conversation. The provider cannot access the call’s content. This adds a robust layer of security against eavesdropping.
- Be Mindful of Your Surroundings: Avoid making sensitive calls in public places or areas where conversations can be easily overheard. Consider the acoustic environment and potential for eavesdropping.
- Use a Secure Wi-Fi Connection: When making calls over the internet (VoIP), connect to a secure Wi-Fi network. Public Wi-Fi networks are often less secure and vulnerable to interception.
- Avoid Sharing Personal Information: Refrain from disclosing sensitive personal information such as your address, bank details, or social security number during phone calls unless you are absolutely certain of the recipient’s identity and the call’s security.
- Review Your Phone’s Permissions: Regularly check the permissions granted to your calling apps. Ensure that they only have access to the necessary data and features. Limit access to your contacts, microphone, and location if it’s not essential for the app’s functionality.
- Consider a Second Phone Number: Use a separate phone number specifically for sensitive communications or online activities. This can help to compartmentalize your personal and professional lives, reducing the risk of your primary number being compromised. There are many apps that provide a second number for this purpose.
- Be Aware of Caller ID Spoofing: Understand that caller ID can be spoofed, meaning that the number displayed on your phone might not be the actual number from which the call originates. Be cautious of unsolicited calls, even if the caller ID seems familiar.
- Use a VPN for VoIP Calls: When making VoIP calls, a Virtual Private Network (VPN) can encrypt your internet traffic, adding an extra layer of security. This is particularly useful when using public Wi-Fi.
Scenario: Implementing Privacy Alternatives
Imagine Sarah, a freelance journalist, is working on a sensitive investigative piece. She needs to interview a whistleblower without revealing her identity or compromising her sources. She implements the following strategies:
First, Sarah uses the Signal app, which provides end-to-end encryption, for all her communications with the whistleblower. This ensures that their conversations remain private and inaccessible to third parties. She specifically chose Signal because of its strong reputation for security and privacy.
Next, Sarah always makes her calls from a quiet, private location to avoid any risk of being overheard. She avoids public spaces and ensures her surroundings are secure. This includes locking her office door and ensuring no one else is in earshot during her calls.
Sarah also uses a VPN when making calls over the internet. This adds an extra layer of security by encrypting her internet traffic, making it harder for anyone to intercept her communications. She understands that VPNs can be used on both her computer and her smartphone, depending on the situation.
Before each call, Sarah confirms the whistleblower’s identity by verifying their contact information through a secure channel. She is cautious about sharing any personal information, such as her location, during the call. She also reminds the whistleblower to take similar precautions on their end, such as using a secure connection and a private location.
By implementing these strategies, Sarah significantly reduces the risk of her communications being intercepted or compromised, allowing her to protect her source and conduct her investigation safely.
Differences Between Private Calling and Anonymous Calling: How To Call Private On Android
In the realm of telecommunications, the terms “private calling” and “anonymous calling” are often used, sometimes interchangeably, which can lead to confusion. However, understanding the nuanced differences between these two methods is crucial for anyone navigating the complexities of phone privacy. While both aim to shield the caller’s identity to some extent, they achieve this through distinct mechanisms and offer varying degrees of anonymity.
Distinction Between Private Calling and Anonymous Calling
The primary distinction lies inhow* the caller’s identity is concealed. Private calling typically refers to methods where the caller’s number is not displayed on the recipient’s phone. Anonymous calling, on the other hand, often involves masking the caller’s number with a generic or unavailable number, or using techniques that prevent the recipient from tracing the call back to the original source.
The choice between the two often depends on the level of privacy desired and the specific technological capabilities available.
Technical Aspects of Private Calling and Anonymous Calling
The technical underpinnings of private and anonymous calling are quite different. Let’s delve into the mechanics.Private calling often leverages features built into the phone or the network.
- Caller ID Blocking: This is a common method, where the caller’s number is intentionally suppressed before the call is placed. This is often achieved by dialing a specific prefix (like
-67 in North America) before the phone number. The network then instructs the recipient’s phone not to display the caller’s number. - Network-Based Privacy: Some mobile networks offer features where the caller’s number is permanently hidden for all outgoing calls. This requires a specific setting within the network and provides a higher degree of privacy.
Anonymous calling often involves more complex techniques.
- VoIP Services: Voice over Internet Protocol (VoIP) services can be used to make calls from a masked number. These services often provide the option to hide your actual phone number, displaying a different number or “anonymous” on the recipient’s phone.
- Call Spoofing: This is a more advanced technique where the caller deliberately presents a false caller ID. This is often achieved through specialized software or services that allow you to specify the number that appears on the recipient’s phone. This is illegal in many jurisdictions if done with malicious intent.
- Using burner phones or SIM cards: These are temporary or disposable phones and SIM cards that can be used to make calls without revealing the caller’s primary number. This method offers a degree of anonymity because the phone or SIM card can be discarded after use, making it difficult to trace the calls back to the caller.
Illustrations of Differences
Private Calling: The caller dials67 before the number. The recipient’s phone displays “Private Number” or “Unknown Caller.” The call still originates from a traceable source (the caller’s phone or network), but the number is hidden.
Anonymous Calling: The caller uses a VoIP service and selects a masked number, or uses a call spoofing service to display a fake number. The recipient’s phone might display a generic number, a different number chosen by the caller, or even “Unavailable.” The origin of the call is obscured, making it harder to trace.