TN753B Direct Inward Dialing Trunk
The TN753B trunk card will provide users with up to 8-ports of direct inward dialing. These 8-ports can be used for wink-start and immediate-start DID Trunks.
Features
- 8 Ports
- Tip and ring signal leads
- TN753B required to support Brazil Block Collect Call
- Includes Atlas 1-Year Warranty with Extended Warranty options available!