**98 Call Pickup Allows you to pick up a ringing call from another number in your Call Pickup Group.
The next time you receive a call from a number you wish to block, end the call and dial *97. The number will automatically be added to your Selective Call Rejection list. You can block up to 100 numbers.
*31# (Disable Caller ID)
If you want to keep your privacy and prevent others from knowing when you call them, you can disable caller ID by using this code. If you want to re-enable caller ID, just add the code again.
When you dial *#21#, you are, in fact, activating a feature access code that quickly tells you the status of call forwarding for your phone. It's a quick way of seeing what, in the case of this particular 'setting interrogation code,' your call forwarding settings. That's it, nothing more or less.
**98 Call Pickup Allows you to pick up a ringing call from another number in your Call Pickup Group.
Dial *#67# and tap Call checks the number for call forwarding when the iPhone is busy. Dial *#33# and tap Call checks for call control bars by checking all the usual suspects (voice, data, fax, sms, etc) to see whether barring is enabled or disabled for outgoing. Did you find these codes to be useful?
*#9900# Opens up system dump mode.
When you dial 100 or 112, the call goes to a police control room attached to the police commissioner's office on Infantry Road. This is the nerve-centre of the police force, and it directs and oversees the work of 18,000 personnel tasked with keeping Bengaluru safe. It is manned by 200 people, who work in three shifts.
Call return (*69) automatically dials your last incoming call, whether the call was answered, unanswered or busy. Call within 30 minutes, during which you can still make and receive calls. To deactivate while waiting for the party you are trying to reach to become available, dial *89.
*#21# - By dialling this USSD code, you would get to know if your calls have been diverted somewhere else or not. *#62# - With this, you can know if any of your calls - voice, data, fax, SMS etc, has been forwarded or diverted without your knowledge.
Call forwarding is disabled by dialing *73. This feature requires a subscription from the telephone company.
Dial *#61# to request status of call diversion on your number when you are not responding. Dial *#67# to request status of call diversion on your number when your line is busy. Dial *#62# to request status of call diversion on your number when your handset is turned off or has not coverage.
When you enter *#0*# into the phone's dialer, the device enters service mode and brings up a diagnostics menu. From this screen, you can view and run multiple diagnostics to test device hardware like buttons, sensors, and cameras.
*82 - Disable Caller ID Block (*67) *87 - Disable Anonymous Call Rejection (*77)
When customers dial *69, they will first hear a recorded. message which provides the phone number of the last incoming call. along with the time and date of the call. If they wish to return the. call immediately, they simply dial "1" on their phone.
The Police often use this number for identification, so just press this combination to know what unique number your phone has, you never know when you will need it. #2 NUMBER IDENTIFICATION: The code *#30# will help you turn your number identification on or off.
Call Block, otherwise known as Call Screening, is a feature that allows you to block calls from up to 10 phone numbers within your local calling area for a low monthly rate. Turn on: Press *60. If prompted, press 3 to turn the feature on.
To forward unanswered calls to another number instead of your voicemail box or answering machine, you would dial *68 and then the forwarding number on most phone systems.
Security of Android Smartphone codes : Code ## 002 # ~ Deactivates all forwarding. Code * # 21 # ~ To know whether message or call has been diverted or not.
It is generally safe to use this code, but it is recommended to only use it if you know what you are doing.
Anonymous Call Rejection (*77) stops calls from people that use a blocking feature to keep their name or number from being displayed. When Anonymous Call Rejection is turned on, callers will hear a message telling them to hang up, turn off the blocking feature, and call again.
Call “##004#”
No one will answer when you call it, but it will turn off conditional forwarding on your phone. It will reset your phone to its default phone settings.
Using Call Trace (*57)
Immediately pick up the receiver. Press *57 when you hear the dial tone. A recorded voice message will confirm that the call has been traced. The traced information is released only to law enforcement officials after they have obtained a warrant to take legal action.