Features:
1. Based on GSM 850/900/1800/1900MHz and PSTN
2. Support reverse polarity
3. Least cost routing
4. Can connected to PBX
Main Functions:
1. Suitable for GSM 850/900/1800/1900MHz and PSTN network, using SIM card
2. Making & answering calls after connecting to telephone set
3. Can make phone calls via GSM or PSTN network by choice or according to the routing
parameters pre-defined on the route
4. Available to connect with telephone set, PBX, Billing machine, etc
5. Caller ID
6. Supports the functions of redialing and hands-free
7. Voice adjustment of calling in and out, multi-lever volume to be chosen
8. Featured with signal intensity indicator, working status indicator, breakdown indicator,
etc
9. Can proceed with setting up and modification of parameters through the phone set
10. Built-in PIN code protection featured with locking device/card/network