Hewlett-Packard Mediant 2000 User's Manual
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Brand: HP
Category: Gateway
Type: Operation & user’s manual for HP Mediant 2000
Pages: 496 (6.06 Mb)
SIP User's Manual 440 Document #: LTRT-68809
Mediant 2000
SIP/2.0 200 OK
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9.18 Trunk-to-Trunk Routing Example
This example describes two devices, each interfacing with the PSTN through four E1
spans. Device A is configured to route all incoming Tel-to-IP calls to Device B. Device B
generates calls to the PSTN on the same E1 trunk on which the call was originally received
(in Device A).
Device A
Device
IP address: 192.168.3.50
B
The ini file parameters configuration for devices A and B are as follows:
IP address: 192.168.3.51
1. At both devices, define four trunk groups, each with 30 B-channels:
• TrunkGroup_1 = 0/1-31,1000
• TrunkGroup_2 = 1/1-31,2000
• TrunkGroup_3 = 2/1-31,3000
• TrunkGroup_4 = 3/1-31,4000
2. At Device A
AddTrunkGroupAsPrefix = 1
, add the originating Trunk Group ID as a prefix to the destination number
for Tel-to-IP calls:
3. At Device A, route all incoming PSTN calls starting with prefixes 1, 2, 3, and 4, to the
IP address of Device B
• Prefix = 1, 192.168.3.51
:
• Prefix = 2, 192.168.3.51
• Prefix = 3, 192.168.3.51
• Prefix = 4, 192.168.3.51
Note:
4. At Device
You can also define Prefix = *,192.168.3.51, instead of the four lines above.
B
• PSTNPrefix = 1,1
, route IP-to-PSTN calls to Trunk Group ID according to the first digit of the
called number:
• PSTNPrefix = 2,2