Having your Samsung S6, s5, Note, Note II or other device send calls directly to voicemail can be caused by several things, most of which are easily resolved:
1. Call rejection is turned on
Start your PHONE app
Click MORE (or three dots icon) in the top right corner of the screen (or the OPTIONS/MENU button on older devices)
Click SETTINGS
Click AUTO REJECT LIST
Remove any numbers in the list
2. blue tooth is confused
If all of your inbound calls are going straight to voicemail, try turning OFF your Bluetooth connection. Sometimes your phone may think it has a connection to a Bluetooth device (like your car or an earpiece) but that device is not talking to the phone. In this situation, you will not hear the phone ring and think that the calls are going straight to voicemail.
3. Call barring is turned on
Swipe down from the top to bring up the status / notices screen
Click on the BLUETOOTH icon to turn it off
Start your PHONE appwhat-is-call-barring-international-usage-cell-android-samsung
Click MORE (or three dots icon) in the top right corner of the screen (or the OPTIONS/MENU button on older devices)
Click SETTINGS
Click MORE in the top right corner of the screen (or the OPTIONS/MENU button on older devices)
Click CALL BARRING
These settings let you block inbound or outbound calls in various situations like:
ALL INCOMING CALLS
ALL INCOMING CALLS WHEN ROAMING
ALL INTERNATIONAL CALLS
…
If you click MORE in the top right corner of the screen (or the OPTIONS/MENU button on older devices) you can then set a password for these rules. This is a great tool for parents that a travelling with kids who are too little or too stupid to understand the cost of international calls.
4. Sim card is shift (这个没有尝试取出sim card）
Swipe down from the top to bring up the status / notices screen
At the bottom right confirm that your cellular provider name is shown on the bottom of the screen
If you see NO SERVICE it means there is something wrong with your account with your provider (Telus, AT&T, Orange…) or your SIM card
If your account is fine, it likely means the SIM card has shifted and you should:
Power down the phone
Take the SIM card out
Put the SIM card in
Power up
Swipe down from the top to bring up the status / notices screen
Within one minute or so, your cell should show the name of your cellular provider at the bottom of the notices screen
If this still shows no service, you might have a bad SIM and you should take it back to the store for them to check it
5. volume is turned down
If your volume is turned down, the calls may be coming in but you did not hear the ringing so you think they are being sent directly to voicemail.
Start your PHONE app
Click the VOLUME UP button (physical button on the side of your cell)
6. Forward to voice mail is on
Start your PHONE app
Click MORE (or three dots icon) in the top right corner of the screen (or the OPTIONS/MENU button on older devices)
Click SETTINGS
Click CALL FORWARDING
Click VOICE CALL
Click ALWAYS FORWARD and then DISABLE
7. Voice over LTE is on
Start your PHONE app
Click MORE (or three dots icon) in the top right corner of the screen (or the OPTIONS/MENU button on older devices)
Click SETTINGS
Find and disable VOICE OVER LTE
only available on some models and firmware versions, so don’t look too hard
This will be on ALL devices in the future
LTE is a Data Only network and does not carry voice… but voice can be converted into digital data and sent over LTE.
8. Antenna is broken
This is quite rare but possible. If your cell have very intermittent connectivity the cold solder joint that connects the internal antenna (really just a small white clad copper wire) may have come loose. To test this turn OFF your WiFi to verify that you are ONLY receiving data from your cellular provider and try to send or receive calls, or surf the internet or send/receive emails… .
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