Tosuny Call Blocker for Landline Phones,Telephone Call Blocker with Dual System with Caller ID Display,Blocking All Junk Calls Compatible with 1000-1500 Sets of 8-16 Digits Block Phone Numbers.
- Call ID Blocker: This Call Blocker can avoid disturbing & malicious incoming calls by one-key-blocking, and it can help you to get rid of them forever. It can also avoid the waste on paper by unnecessary faxes if you connect it with the fax machines..
- Large Capacity: Blocks up to 2000 Phone Numbers in Blacklist. It can block robot calls, telemarketing calls, private calls, scam calls, unknown calls, international call, sell and harass calls..
- One-Touch BLOCK: Operation for incoming calls.
- for outgoing calls, it has to be added manually.
- Line-Powered (no need batteries ), LCD brightness adjustable..
- Easy to Setup: The Call Blocker could be set in Series way or in a Parallel Way. Please refer to the product images or the manual for setting, No additional accessories are required. Use the BLOCK button to block a number directly..
- Attention: This device works well with most single line corded landline phones, but it could be incompatible with Cordless Phones & Two Line Phone systems, especially AT&T Phones..