User manual

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Example 3: Direct IP to Direct IP Calling/Answering
Applications:
The applications are for ADSL connection without NAT router as in Diagram A. Both parties are
with fixed real IP. The Direct IP calling works when both calling and answering parties are with
known fixed IP. SIP server registrations are not required in this application.
Configurations:
1. Select “Fixed IP” in the “Network / WAN settings” page,
2. Enter the items of IP, Subnet Mask, Gateway IP,
3. Click the “Submit” button.
Callings:
4. Pick up the phone, and you should hear a dial tone.
5.
Press 211*21*191*4# or 211*21*191*4 to call the party with the real IP address of 211.21.191.4.
Note that # key will dial out the number immediately. Dialing without # will not dial out until the
auto dial timer (default=5 seconds) elapsed. In a moment, you should hear a ring back tone, and
wait for the VoIP called party to answer.
Example 4: Direct IP to Direct IP Calling within NAT Router
Applications:
For the calling party in ADSL connection with NAT router as in Diagram B, this Direct IP calling can
work when the answering parties are with fixed private IP addresses within the same VPN network,
or with fixed real IP addresses.
Configurations:
1. Select “Fixed IP” in the “Network / WAN settings” page,
2. Enter the items of IP, Subnet Mask, Gateway IP,
3. Click the “Submit” button.
Callings:
4. Pick up the phone, and you should hear a dial tone
5. 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 a ring back tone, and wait for the called party to answer.