Product Descriptions:

WT-1019 GSM Least Cost Call Routing is specially design for VOIP carriers

Key Functions:

1. Phone to GSM only
    - This setting is used when there is NO PSTN line
    - In this case, all numbers will dial out via GSM and call will receive only by GSM

2. Programmed Numbers to GSM, Rest to PSTN
    - This setting allow you to program the numbers you want to call through GSM
    - Only these numbers will call via GSM while all other numbers will call via PTSN

3. Call Forward to Programmed Number (from GSM to PSTN)
    - This setting can received a phone call from GSM, the WT-1019 will forward this call to another telephone number        via PSTN line
    - This function is use in the situation where GSM provider allow no roaming charges in certain country and National        Call using PSTN (DDD) is expensive

4. Call Forward to Programmed Number (from PSTN to GSM)
    - This setting can receive a phone call from PSTN line, the WT-1019 will forward this call to another telephone        number via GSM
    - This function is use in the situation where GSM providers allow no roaming charges in certain country and National        Call using PSTN (DDD) is expensive

5. For ITSP
    - With above connection, VOIP can accept call via GSM instead of PSTN
    - When user calls the mobile phone number, WT-1019 will pick up and user can hear another dial tone from VOIP
    - Then can dial the destination number to access the service

6. Setting only allow authorized number calling to VOIP/WT-1019
    - VOIP carrier can set which number allow to call into the VOIP / WT-1019

7. Setting of credit limit
    - WT-1019 allow setting the credit minutes. If the calls reach the maximum minutes of call, WT-1019 will terminate        the conversation immediately

The setup of the unit is simple, and it is equally simple to use - connect the antenna, pick up the handset, setting the parameters using the basic telephone and plug in the power - and you are ready to connect. The low power consumption means that you can connect your unit to a battery and still connect in place where there is no mains power.