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V6100 and V7122 User Guide
By utilizing the ‘Profiles’ mechanism (see
Release Cause Mapping
) you can configure the
TDM Tunneling feature to choose different settings, based on a timeslot or groups of
timeslots. For example, you can use low-bit-rate vocoders to transport voice, and
‘Transparent’ coder to transport data (e.g., for D-channel). You can also use Profiles to
assign ToS (for DiffServ) per source, a time-slot carrying data or signaling gets a higher
priority value than a time-slot carrying voice.
For tunneling of E1/T1 CAS trunks set the protocol type to Raw CAS (ProtocolType = 3 / 9)
and enable RFC 2833 CAS relay mode (CASTransportType = 1).
Figure 103
and
Figure 104
show an example of
ini
files for two V7122 gateways
implementing TDM Tunneling for four E1 spans. Note that in this example both gateways are
dedicated to TDM tunneling.
Figure 103
ini
File Example for TDM Tunneling (Originating Side)
EnableTDMOverIP = 1
;E1_TRANSPARENT_31
ProtocolType_0 = 5
ProtocolType_1 = 5
ProtocolType_2 = 5
ProtocolType_3 = 5
prefix = '*,10.8.24.12' ;(IP address of the V7122 in the opposite location)
; Channel selection by Phone number
ChannelSelectMode = 0
;Profiles can be used do define different coders per B-channels, such as
Transparent
; coder for B-channels (time slot 16) that carries PRI signaling.
TrunkGroup = 0/1-31,1000,1
TrunkGroup = 1/1-31,2000,1
TrunkGroup = 2/1-31,3000,1
TrunkGroup = 3/1-31,4000,1
TrunkGroup = 0/16-16,7000,2
TrunkGroup = 1/16-16,7001,2
TrunkGroup = 2/16-16,7002,2
TrunkGroup = 3/16-16,7003,2
CoderName = 'g7231'
CoderName = 'Transparent'
CoderName_1 = 'g7231'
CoderName_2 = 'Transparent'
TelProfile_1 = voice,$$,1,$$,$$,$$,$$,$$,$$,$$
TelProfile_2 = data,$$,2,$$,$$,$$,$$,$$,$$,$$
Содержание V6100
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