Calls going straight to voice mail after only one 1/2 ring

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.

please go to messages from main menu and select voice mail and disable voice mail.

ask your local admin to remove your phone from coverage path

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

This can be handled by the DND feature in your admin settings... Do not disturb will transfer your calls direct to voicemail without ringing the handset.

Just go to call settings and then call divert. check settings. Maybe all calls are diverted to voice mails. Cancell all diverts. Then you are done.

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.

what you should do is go to a verizon wireless store and tell them .
i had the same problem too and they fixed it

Typically you want your phone system to ring your phones (say extension 10, 11 and 15) and then if no one answers after so many rings the call is transfered to the port the voice mail is on (let's say it's port 16) The voice mail is set to answer right away but does not "ring" until the call is transfered to it. This way (at 4 rings) if a call comes in on line 1 and you answer after 3 rings but a call comes in on line 2 at the same time, the first ring on line 2 will not make the total = 4 and set off the voice mail. I would guess the port at your voice mail is not set to ring and nothing is set up to transfer calls to your voice mail. Did you set this up yourself? How did you program the phone system?