262
V7122 GatewayUser Guide
Ini
File Parameters of Gateways ‘A’ and ‘B’:
1
Define, for both gateways, 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
In gateway ‘A’, add the originating Trunk Group ID, as a prefix, to the destination
number, for Tel
Æ
IP calls:
AddTrunkGroupAsPrefix=1
3
In gateway ‘A’, route all incoming PSTN calls, starting with the prefixes 1, 2, 3 and 4, to
gateway’s ‘B’ IP address:
Prefix = 1, 192.168.3.51
Prefix = 2, 192.168.3.51
Prefix = 3, 192.168.3.51
Prefix = 4, 192.168.3.51
It is also possible to define ‘Prefix = *,192.168.3.51’ instead of the four lines
above.
4
In gateway ‘B’, route IP
Æ
PSTN calls to Trunk Group ID according to the first digit of the
called number:
PSTNPrefix = 1,1
PSTNPrefix = 2,2
PSTNPrefix = 3,4
PSTNPrefix = 4,4
5
In gateway ‘B’, remove the first digit from each IP
Æ
PSTN number, before it is used in an
outgoing call:
NumberMapIP2Tel = *,1
Proxy or Registrar Registration Example
REGISTER sip:servername SIP/2.0
VIA: SIP/2.0/UDP 212.179.22.229;branch=z9hG4bRaC7AU234
From: <sip:GWRegistrationName@sipgatewayname>;tag=1c29347
To: <sip:GWRegistrationName@sipgatewayname>
Call-ID: mailto:[email protected]
Seq: 1 REGISTER
Expires: 3600
Contact: sip:[email protected]
Content-Length: 0
Содержание VCX V7122
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