Are phone calls on a GSM network encrypted?

What is IMEI, A5, and GSM Location Tracking? The International Mobile Station Equipment Identity or IMEI is a number, usually unique, used by a GSM network to identify valid devices. GSM interceptors in order are phone calls on a GSM network encrypted? identify your phone and performing call interception. The GSM ciphering algorithm is called A5.

Also, it can be supressed by GSM carrier due to a warrant. GSM Localization: referring to how the cell towers which receive a phone’s signal may be used to calculate its geophysical location. Same technique is used if instead of cell tower the phone is connected to a GSM interceptor. All changes of above identifiers and parameters are instantly detected by XCell Stealth Phones, which will warn you every time when such intrusion attempts are in progress. XCell Stealth Phone versions XCell Stealth phones come in seven verions.

It works in any country, on any GSM network. Guarantee: fully two years standard limited guarantee. Nokia Series 40, 6th Edition, XCell Basic is a customized Nokia 6303i. It warns you about any intrusion or intercepting attempt. The XCell Basic phone cannot be accessed and investigated by forensic software and hardware. The phone cannot be accessed, read or analysed by any mobile forensic eqipment. Physical extraction and file system extraction is blocked by security filter.

The phone does not need any extra settings. Important note: The video was filmed in lawful conditions, with the direct support of Special Branch Police Department, with the sole purpose of testing special functions of cell phones. During tests were not intercepted other people mobile phones. XCell Technologies does not own, do not use, do not sell and do not have access to equipment intended for interception of telecommunications. Any cell phone will automatically choose the most powerful GSM signal, which in case of interception is generated by the GSM interceptor. New 2016 release: XCell Basic v2, now with Encrypted SM. Our Basic series has been completed with the new XCell Basic v2 Stealth Phone that come now with a new added function: SMS Encryption.

Based on Nokia S30 series, the phone have the same features as the predecessor v1. Please note that the phone will not detect Fully Passive GSM Interception Systems. Has been successfully tested by our major law enforcement clients. New 2016 release: XCell Basic Dual SIM v. The first Dual SIM Basic v2 Stealth Phone has been now launched. Comes with the same features as XCell Basic v2 Stealth Phone, but without encrypted SMS.

Please note that Special Functions are only available when using SIM1, being unavailable for SIM2. However, SIM2 is fully operational and can be used as usual. After purchase please let us know which Basic model you want: Basic v2 or Basic v2 Dual SIM. Note: XCell Technologies operates a policy of continuous product development. We also reserves the right to make changes and improvements to any of the products described on the website without prior notice. The XCell Basic Dual SIM v2 Stealth Phone cannot be accessed and investigated by forensic software and hardware.

Are phone calls on a GSM network encrypted?

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Based on S60v3 platform, XCell Advanced runs on the Symbian OS and it is a customized Nokia E51 smartphone. An unlocked padlock in case of GSM interception. The phone will react in the same way in case of detecting IMSI catchers. SMS encryption feature:in case of interception warning you can send encrypted SMS. Please note that the other phone should have the same SMS encryption software installed, for message decryption purposes. SMS encryption feature is intended for encryption of outgoing SMS messages. Encryption algorithm is AES-256 and has the function for generating keys from passwords is SHA-256.

This is end-to-end encryption, meaning that nobody can read your messages. It can only be read by the recipient who has the right password. And in case you lose your phone no one can read a message, unless you have saved a password in application. The phone can receive as well encrypted messages for secure communications. Note: Encryption will work only if both sending and receiving sides install the application. XCell Crypt is enabled with a SMS ciphering software application. In case of Call Interception Alert or GSM Interceptor Proximity Alert you can send encrypted SMS.

Please note that the other phone should have the same SMS encryption software installed. Extra encryption applications are provided and can be sold separately just for 100 euro. It includes all XCell Advanced features plus Dynamic IMEI feature, making the phone untraceable and impossible to be intercepted. XCell Dynamic IMEI phone is built on Samsung G608 platform.

Random always: The phone IMEI will always vary, when it is requested by the GSM network or GSM Interceptor. IMEI will be changed on every call or SMS as well. Random on first request: Phone IMEI will be changed when the SIM card is inserted the first time, and when the GSM network requests phone details for registration. In this mode the phone IMEI varies only once after device registration on the network. Further on for all inquiries IMEI sent by the network, phone will give out in a network this IMEI. User define: Phone IMEI can be manually defined by the user. Stay original:Phone IMEI always remains original.

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Call Interception Alert During the call, the phone will display an open lock icon. 1 encryption as usual and your phone is subject to an active interception. Please note: On standby mode the phone will display the warning icon because there are no communications to be encrypted by the network. 1 encryption is provided by the GSM network and your communications are not intercepted. If icon remains red, that means your phone is subject to an active interception performed by a GSM Interceptor or by your GSM provider.

Please note that no calls can be made as long as the phone is under surveillance and no SMS can be sent, as active security measurse. Forensic Bullet-ProofXCell Dynamic IMEI phones cannot be accessed, read or analysed by any mobile forensic equipment. If the network characteristics change i. 2 encryption, the phone will detect this and alert the user via an alarm, vibration or display a screen message.

No calls or SMS’s can then be made. The handset will also randomly change the IMEI on each call, or you may specify an IMEI. A good way to confirm the handset does change the IMEI and not just gives the appearance of a different IMEI is to assign a known blocked or stolen IMEI to the handset. Dynamic IMEI feature is intended for protection of conversations against the control and interception through a GSM interceptor. IMEI — unique phone registration number, other than phone number which is contained by SIM.

Therefore the operator does not know whom it is necessary to put on the surveillance. If you have changed only SIM or only have changed IMEI, this will give you nothing and you will continue to be monitorised, as though you changed nothing. If you simultaneously change IMEI and SIM, that will allow you to avoid any GSM interception. GSM interceptor operator needs to make additional efforts in order to receive and register your new identifiers.

Are phone calls on a GSM network encrypted?

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Besides, the system operator cannot understand that he has lost the control over your phone. This feature is intended for phone protection against the interception performed with active and semi active GSM interceptors. They choose to register on a BTS only by power level. As long as a GSM interceptor has the strongest signal on a certain area, then all mobile phones within the area will register on that false BTS emulated by the interceptor. XCell Stealth Phones can detect ANY active, semi active and passive GSM interceptors, it does not matter the type, the manufacturer or the other technical characteristics.

The phone can be used in two modes: Hunting mode and Anti Interception mode. XCell Dynamic IMEI v2 is the only phone that can actually hunt GSM interceptors, by detecting them in real time. On Hunter mode the phone user will get alerts whenever the phone is intercepted by active, semi active and passive interceptors, or even with the help of GSM operator. Hence, the phone user can fill out any story based on art of deception, can lead counterintelligence special operations, can simply remain silent or even switch off the phone. SMS will be automatically blocked until the threat is over. From now on, phone conversation automatically breaks in case of phone interception.

The phone IMEI will always vary, when it is requested by the GSM network or GSM Interceptor. Phone IMEI will be changed when the SIM card is inserted the first time, and when the GSM network requests phone details for registration. Phone IMEI can be manually defined by the user. Stay original: Phone IMEI always remains original.

The phone will display an open lock icon and warn you by sound alarm and vibration. During the call, the phone will display an open lock icon. On standby mode the phone will display the warning icon because there are no communications to be encrypted by the network. This feature is used to alert you to an abnormal number of GSM network re-registration requests. GSM Interceptors or GSM networks may request this at a higher rate in order to attempt to triangulate your mobile phone for location purposes or for requesting additional identity information from your handset.

If a ping is detected coming from the network or from a GSM interceptor based on the associated variables, then the user will be alerted. A GSM interceptor will have the strongest signal so as to encourage the phone to register onto it. Please note that if you are not stationary or are travelling then you will obviously lose GSM network coverage when moving around due to the channel numbers being different for each area. This will enable the automatic deletion of all call logs, after each call.

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All incoming and outgoing call audio will be automatically recorded without emitting any background beeps so as not to arouse any suspicion to the 3rd party. All recorded files are protected by the phones inbuilt unique 8 digit password security and can be re-played directly from the phone. The XCell Dynamic IMEI v2 Phones cannot be accessed and investigated by forensic software and hardware. The phone cannot be accessed, read or analysed by any mobile forensic equipment. BCCH manipulations procedures performed by GSM interceptors.

On Hunting mode the phone user will get alerts whenever the phone is intercepted by active, semi active and passive interceptors, or even with the help of GSM operator. To know when, for how long and exactly which of your phone calls are being tapped is no doubt, an absolute advantage compared to encrypted phone calls. To use this knowledge in your own advantage require a way to find out when phone calls are intercepted. As ultimate solution, XCell Dynamic IMEI v3. The primary use is call interception detection and location tracking detection. Can be also used as anti interception device and location spoofing, by activating certain special functions.

The device includes all XCell Dynamic IMEI v2 features. At this stage, XCell Dynamic IMEI v3. 1 Stealth Phone is the best in branch, untraceable and impossible to be intercepted. Please find out how to properly use this feature on User Manual. Sensitive information regarding change IMEI has been removed, general public access being restricted. Complete information available only after purchase, on Full Version User Manual.

Phone IMEI will be changed when the SIM card is changed, and the GSM network requests phone details for registration. Please read User Manual before using this function. Stay original: phone IMEI remains original on every call and SMS. Will be used also as IMEI restore function, when you have used already the other IMEI changing functions. Therefore the system operator does not know whom it is necessary to put on surveillance.

If you have changed only SIM or IMEI, this will give you nothing and your phone calls will continue to be intercepted, as though you changed nothing. This feature is intended for protection against the interception performed with active and semi active GSM interceptors. GSM network not through the real cell tower, but through this equipment — a false base station. All mobile phones will choose to register on a cell tower only by power level. XCell Dynamic IMEI v3 Stealth Phone can detect ANY active, semi active and passive GSM interceptors, it does not matter the type, the manufacturer or the other technical characteristics. It’s a new developed detection algorithm based on GSM network variables that is detecting call interception performed by new GSM Interceptors that are using the latest interception technology, including ciphering level and network type downgrading. 1 encryption as usual, and your phone calls are being tapped.

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On standby mode the phone will display the warning icon since there are no phone calls or messages to be encrypted by the network. 1 encryption is provided by the GSM network and your pgone calls are not tapped. If icon remains red, that means your phone calls are being tapped by a GSM Interceptor or by your GSM provider. In case your XCell Dynamic IMEI v3. This is the location tracking alert. Once enabled, this function will lock the phone on a certain cell tower, so the phone will not “slip” to an IMSI Catcher. This way, the phone can not be intercepted because it will not connect to any GSM Interceptor.

Are phone calls on a GSM network encrypted?

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More information about how to properly use Cannel lock function and Location spoofing function, on User Manual. A handy and fast way to find out instantly if the phone is already connected to an IMSI Catcher. The call log will self delete after every single phone call. No call history will be recorded. Can be usefull if the phone happens to get into the wrong hands. All incoming and outgoing phone calls will be automatically recorded with no warning beeps which will not arouse any suspicion to the 3rd party that is intercepting the call. We have installed volatile filters on USB port and no forensic grade equipment can extract information off the phone.

Physical extraction and file system extraction performed by forensic software and devices is blocked by security filter. If the network identifiers are changed by a GSM Interceptor or IMSI Catcher, or any method is used to trick the SIM into lowering the encryption level or cancelling it, the phone will detect all this and will alert the user via alarm, vibration or visible screen message. As unique feature, XCell Dynamic IMEI v3 can actually hunt GSM interceptors, by real time detection. On Hunting Mode the phone user will get alerts whenever the phone is intercepted by active, semi active and passive interceptors, or even with the help of network operator. From now on, phone calls will automatically breaks in case of interception. New range of low cost change IMEI phones.

Main features: manual changing IMEI and Call Interception Alert. Dual SIM and Quad SIM versions are available. A low cost device, XCell Change IMEI Dual SIM Stealth Phone was initially built for the Asian market. XCell Change IMEI Dual SIM Stealth Phone is built on Nokia 1050, BB5 platform. In this case, Classmark querries sended by any GSM Interceptor will return a false classmark identity. Thus, call interception will not be possible.