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Viking TR-1 Toll Restricter
The TR-1 can block all operator assisted or 1 + dialing or up to 46 specific area codes or exchanges.
The unit has a non-volatile memory.
No batteries or power supply required.
A 1-to-50 minute call timer is provided.
Compatible with loop, ground start, Centrex and PABX lines.
Completely programmable Override bypass code
no batteries * Line Powered
Can block 'Operator assisted', '1+long distance calls, 976 and 900 calls.
Program up to 40 specific area codes or exchanges to be allowed or restricted.
Always allows 911 calls
Programmable maximum digit string length
Programmable to restrict all numbers except...
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