Analog Fast Track Guide 3. Configuring the MediaPack
Version 4.8 21 March 2006
¾ To configure basic H.323 parameters, take these 7 steps:
1. If the MediaPack is connected to a router with NAT enabled, perform the following
procedure. If it isn’t, leave the ‘NAT IP Address’ field undefined.
¾ Determine the “public” IP address assigned to the router (by using, for instance, router
Web management). Enter this public IP address in the ‘NAT IP Address’ field.
¾ Enable the DMZ configuration on the residential router for the LAN port where the
MediaPack gateway is connected. This enables unknown packets to be routed to the
DMZ port.
2. When working with a Gatekeeper, set ‘Working with Gatekeeper’ field, under ‘H.323
Parameters’, to ‘Yes’ and enter the IP address of the primary Gatekeeper in the field
‘Gatekeeper IP Address’. When no Gatekeeper is used, the internal routing table is used to
route the calls.
3. Leave parameter ‘Enable Annex D/T.38 FAX Relay’ at its default unless your technical
requirements differ.
4. Select the coder (i.e., vocoder) that best suits your VoIP system requirements. The default
coder is: G.723.1 30 msec. To program the entire list of coders you want the MediaPack to
use, refer to the MediaPack User’s Manual.
5. Map outgoing calls to IP addresses (when Gatekeeper isn’t used) by completing these steps:
¾ 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.
¾ Click the Submit button; the ‘Tel to IP Routing’ table is automatically updated.
¾ Click Quick Setup; you’re returned to the ‘Quick Setup’ screen.
For more information on the ‘Tel to IP Routing’ table refer to the MediaPack H.323 User’s
Manual.
6. Allocate MediaPack endpoints (analog lines) and their corresponding phone numbers to
incoming IP calls by completing these steps:
¾ Click the arrow button next to the ‘Endpoint Phone Number’ label; the ‘Endpoint Phone
Numbers’ screen opens.
¾ 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).
¾ 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 MP-118 devices, refer to
Section 3.4.4 on page 24.
¾ Click the Submit button; the ‘Endpoint Phone Number’ table is automatically updated.
¾ Click Quick Setup; you’re returned to the ‘Quick Setup’ screen.
7. Click the Reset button and click OK in the prompt; the MediaPack applies the changes and
restarts. This takes approximately 2 minutes to complete. When the MediaPack has finished
restarting, the Power and Ready LEDs on the front panel are lit green.
Note: H.323 users should continue with Section 3.4.4, "Example of Connecting Two
MP-118 Devices" on page 24.
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