Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
If you already have that number added to your contacts list, then while on that contact's info screen, just click on the menu button -> options and lastly, click on the box that says 'incoming calls - send calls directly to voicemail'.

This isn't what the OP wants. The OP wants to mute the call and let it go to voicemail naturally, so that the person calling does not know they are being ignored
I would like to know how to do this as well...heh.
This isn't what the OP wants. The OP wants to mute the call and let it go to voicemail naturally, so that the person calling does not know they are being ignored
I would like to know how to do this as well...heh.
Well he said that he wants that person to know he purposely let it go to voice mail? hmm that's the only way I can think of... or answer and hang up if you want to avoid that person that much? lol
Hitting the volume button on the side will silence the call, and let it go to voicemail.
Hehe, read it again. It's poorly worded, but the intention is to NOT let the person know they are being sent to voicemail, but also to not have to hear the ringtone play out.