User manual

Example 8: Direct IP to PSTN Calling
Applications:
The Direct IP to PSTN calling is for the application when the answering parties are with
known fixed real IP addresses. The SIP server registrations may not be necessary.
Configurations:
1. Same as in Example 6 .
2. Select “ON” for the “Auto Answer” and “PIN Code” in Call settings. Set the Auto Answer
Ring Counter, e.g. 3, and the PIN code, e.g. 1234.
Callings:
3. Pick up the phone for VoIP mode.
4. Press 211*21*191*4# or 211*21*191*4 to call the party with the real IP address of
211.21.191.4. After 4 rings, the FXO port will auto answer with a short beep tone (not
dial tone). Press 1234# for PIN code and then you will hear a dial tone from PSTN. PIN
Code is used to prevent from call piracy. Incorrect PIN Code will result in call disconnect.
Note that if PIN code is OFF, the caller may press PSTN number directly.
5. Dial directly the number, e.g. 1234567 to call the PSTN party number of 1234567. In a
moment, you should hear a ring back tone, and wait for the called PSTN party to answer.
Example 9: PSTN to Direct IP Calling
Applications:
The PSTN to Direct IP calling is for the application when the answering parties are with
known fixed private or real IP addresses. The SIP server registrations may not be necessary.
Configurations:
1. Same as in Example 6.
2. Select “ON” for the “Auto Answer” and “PIN Code” in Call settings. Set the Auto Answer
Ring Counter, e.g. 3, and the PIN code, e.g. 1234.
Callings:
3. Make a call from PSTN line to the VS211 FXO number, e.g. 7654321. In a moment, you
should hear a ring back tone, and wait for the VS211 to answer. After 4 rings of Auto
Answer, the FXO port will auto answer with a short beep tone (not dial tone). Press
1234# for PIN code and then you will hear a dial tone for VoIP mode.
4. Press 192*168*1*51# or 192*168*1*51 to call the party with the private IP address of
192.168.1.51. Press 211*21*191*4 to call the party with the real IP address of
211.21.191.4. In a moment, you should hear another ring back tone, and wait for the
VoIP called party to answer.
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