AT&T Wireless has a feature called Smart Limits, with in Smart Limits I can add phone numbers I do not want a cell phone (in my plan) to be able to call or text or vice versa, regardless of other limits or restrictions.
Thank you for your consideration.
Phone line powered
Non-volatile E 2 memory
.5 to 49.5 minute call timer with disconnect
Programmable allow or restrict table stores up to forty 12-digit phone numbers, prefixes or area codes
6 digit bypass code for single call override
Programmable to ignore phone system line access numbers
Programmable ignore table stores up to twelve 12-digit phone numbers, ideal for *67, *69, etc.
Programmable maximum digit string length
Concealed in a standard RJ11C jack
Allow or restrict 1-800 numbers
Operational alert tones
Allows emergency and toll free numbers
Made in the USA
One year warranty
VoIP hardware: 2 Telo w/3 handsets & Linx / ooma core
Total Lines: 8 / Numbers: 11 / Handsets: 20
Lifetime Premier Member
Friends don't remember what Landline Integration was or why we did it.
Premier Service (I was not expecting to do this, but I love the Premier features)
Panasonic KX-TG4024 (w/ 4 handsets)
Customer since November 2010
Internet access: FiOS 15/5
85 bucks it seems.
But get it cheaper here http://www.thetwistergroup.com/store/cu ... &source=jf