3Com VCX V7111, Installation Manual, Page: 38 / 58

3Com VCX V7111 Fast Track Installation Guide 38
5
Configure ‘Enable Registration’ to ‘Yes’ or ‘No’:
‘No’ = the VCX V7111 does not register to a Proxy server/Registrar (default).
‘Yes’ = the VCX V7111 registers to a Proxy server/Registrar at power up and every
‘Registration Time’ seconds; The VCX V7111 sends a register request for each channel
or for the entire gateway (according to the ‘Authentication Mode’ parameter). For detailed
information on the parameters ‘Registration Time’ and ‘Authentication Mode’, see the
VCX V7111 VoIP
SIP User’ Manual
.
6
Select the coder (i.e., vocoder) that best suits your VoIP system requirements. The
default coder is: G.7231 30 msec. To program the entire list of coders you want the VCX
V7111 to use, click the button on the left side of the ‘1
st
Coder’ field; the drop-down list
for the 2
nd
to 5
th
coders appears. Select coders according to your system requirements.
Note that coders higher on the list are preferred and take precedence over coders lower
on the list.
The preferred coder is the coder that the VCX V7111 uses as a first choice for all
connections. If the far end gateway does not use this coder, the VCX V7111
negotiates with the far end gateway to select a coder that both sides can use.
7
Map outgoing calls to IP addresses (
when Proxy isn’t used
) by completing these steps:
ƒ Click the arrow button next to the ‘Tel to IP Routing Table’ label; the ‘Tel to IP
Routing’ screen opens.
Any telephone number whose destination number matches the prefix defined in the
‘Destination Phone Prefix’ field
and
whose source number matches the prefix defined
in the adjacent ‘Source Phone Prefix‘ field, is sent to the IP address entered in the ‘IP
Address’ field.
ƒ Click the
Submit
button; the ‘Tel to IP Routing’ table is automatically updated.
ƒ Click the
Close Window
button.
For more information on the ‘Tel to IP Routing’ table see the
3Com VCX V7111 VoIP SIP
Gateways User Manual
.
8
Allocate VCX V7111 endpoints (analog lines) and their corresponding phone numbers to
incoming IP calls by completing these steps:
ƒ Click the arrow button next to the ‘Endpoint Phone Number’ label; the ‘Endpoint
Phone Numbers’ screen opens.
ƒ Enter the number of a channel, starting with 1, (or a group of channels), under the
‘Channel(s)’ column (for example 1-4 for the first 4 endpoints).
ƒ Assign each channel a phone number (for a group of channels, define the first
number in an ordered sequence) For an example of connecting two VCX V7111
8FXS devices, see “Example of Connecting Two 8FXS Devices
” on page 39.
ƒ Click the
Submit
button; the ‘Endpoint Phone Number’ table is automatically
updated.
ƒ Close the Window.