Auto dialer Telephone Dialer for prepaid and postpaid calling card
China - Telephone Test Kit - Voip - Voip, 15 years ago, 653 hits
Line power, no need extra power supply.
Great capacity: TD101 can store up to 8 groups of 62-digit calling card numbers.
Compatible: Both prepaid calling card and postpaid call service are available.
Easy Programming: ...
