Details
TR-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.
Additional Information
| Model | VK-TR-1 |
|---|---|
| Manufacturer | Viking Electronics |
| Condition | New |
| Color | No |
| Downloads | No |
| Video | No |




