My HTC Android phone has the option to send certain numbers straight to voicemail.

DH's iPhone doesn't have that option, but he can create a custom ringtone out of a clip of silence, and assign that ringtone to the numbers he chooses.

We use it for spam (even with the rise of caller ID spoofing, it's surprising how many spam calls come from the same numbers), but you could just as easily set your office's that way. Even better if the automated calls come from a different number than the "live" calls do, but either way you would have voicemail you could check when you wake up.



Still ... there was just something in my local paper this morning about someone who got fired because she vented to her boyfriend about her working conditions, and the boyfriend took it upon himself to disrupt the workplace in response ...