My G1 phone is not ringing when somebody calls me it goes straight to voice mail

First, reboot the phone, then we get complex if this does not work.

How to stop iPhone calls going straight to voicemail - iOS 7 tip

www.macworld.co.uk/.../how-stop-iphone-calls-going-straight-voicemail...

May 28, 2014 - Do your iPhone calls go directly to voicemail? ... I don't remember setting my iPhone to Do Not Disturb, and it appears nor do most people ...

iPhone 5 calls go straight to voice mail ' Apple Support Communities

discussions.apple.com > Support > Apple Support Communities

Apple Inc.Dec 25, 2013 - Madman, your advice solved the problem on my wife's phone. It wouldgo to voice mail very often, seemingly for no reason. When I'd call again, ... iphone 6 going calls going directly to voice mail
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Troubleshooting Calls going straight to

get to settings and increase the number of rings before voice mail is activated.

Call your provider, they can help you reset it. It appears you are not getting a ring signal. It is also possible it has been forwarded.

The Voicemail setting are actually controlled by your service provider, I would call them and have them increase the time.

ask your local admin to remove your phone from coverage path

you might status the phone to make sure that send all calls somehow is not on. :)

check your call barring option, you may have mistakenly barred your incoming calls.

Your phone is fowarded to Voice Mail and do not disturb is on. Turn DND button off. If it is not the case on your phone press intercom # key 601 then hang up. Then do intercom #key 604, dial your voice mail extension numbe, r press the speed dial Select button, dial 16, press the redial button then hang up.