User guide

Appendix D – Setting up MultiVOIP as CallFinder-DID
MultiVOIP® Voice/Fax over IP Gateways 155
4. If your test calls fail or if other problems occur, see the Troubleshooting section.
Troubleshooting
● On a DID line, Tip and Ring are polarity sensitive. Therefore, if the telco is seeing the DID lines coming into
the MVP as ‘out of service,’ you may need to reverse the inner two wires on each DID line.
● You may connect an analog phone directly to channels 1, 3, 5, or 7 and dial an extension/DID number on the
PBX or FaxFinder. When a call is made, the analog phone seizes channel 2, 4, 6 or 8 sends the digits to the
PBX or FaxFinder, and ring the extension. Before testing your setup with the DID lines, connect the analog
phone in channel 1, 3, 5 and 7.