Installation guide
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Press 888835#. After getting through you will hear the Dial tone, then press the extension
101.
Phone2 calls Phone4
Press 888835#. After getting through you will hear the Dial tone. Press outside line 0,
then press 87654321.
Phone3 calls Phone1
Press 888835#. After getting through you will hear the Dial tone, then press the extension
101.
Phone3 call Phone4
Press 888835#. After getting through you will hear the Dial tone. Press outside line 0,
then press 87654321.
Phone4 calls Phone2
Press 12345678. After getting through you will hear the auto reply from the PBX, then
press the extension 102. After getting through you will hear the Dial tone, then press the
VoIP number 888833#.
Phone4 calls Phone3
Press 12345678. After getting through you will hear the auto reply from the PBX, then
press the extension 102. After getting through you will hear the Dial tone, then press the
VoIP number 888829#.
Note
# indicates termination of the phone number. After pressing #, VoIP is immediately
called out. Or you may wait 3 seconds if you do not press #.
This example is intercommunication with one SIP Proxy Server. For the applications of
Direct IP Call and Intercommunication with different SIP Proxy Servers please refer to
VoIP Example 2(Basic Calling Method). The VoIP call can also wok with VPN, please
refer to VoIP Example 3(VoIP over VPN).
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Based on the VoIP Example 1(Basic Configuration and Registration), we will
introduce how to register with the SIP Server when Vigor 3300V has no Public IP address
but a Private IP address.
When Vigor 3300V's WAN uses a Private IP, the VoIP traffic must pass through the
upper-layer NATs. Now STUN feature should be enabled so that VoIP can work
normally.
In this example Vigor 3300V is connected in the LAN of Vigor 2600V. It obtains a
private IP address from the Vigor 2600V and accesses the Internet through the Vigor
2600V. Vigor 3300V uses this private IP to register with the SIP Server because it doesn't