Viking Toll RestricterTR-1 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.
Specifications
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VK-TR-1 by Viking Electronics
you see now, is the price you pay. If you have any questions, our customer care team is available to assist you.