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DCS over IP Trunk
435
Administration for Network Connectivity
555-233-504 — Issue 1 — April 2000 CID: 77730
F IP Trunk Installation and
Administration
DCS over IP Trunk
IP Trunk supports most of the DCS features. DCS signaling with IP Trunk can be
either X.25 or TCP/IP. For X.25 DCS signaling, the signaling data path is over a tie
trunk connection between the switches. For TCP/IP DCS signaling, the signaling data
is handled by the C-LAN circuit pack and can be either point-to-point (ppp) across a
tie trunk facility or over the IP network. Figure 10 shows the voice and signaling data
path options for IP Trunk with DCS.
Figure 10. IP Trunk with DCS
DCS Administration
The administration of DCS with IP Trunk is the same as for DCS without IP Trunk.
You can set up IP Trunk connections for DCS using either X.25 or TCP/IP protocols
for DCS signaling.
X.25 signaling
For X.25 DCS signaling, you administer the connection on the Data Module screen
and the Processor Channel Assignment screen. The type of data module is
proc-intf
for an R7si or
x.25
for an R7r. Signaling via X.25 is not supported on
the csi model.
C-LAN
Processor
DCS Signaling Data
Tie-Trunk
Circuit Packs
C-LAN
Tie Trunk
IP
Interface
or ITS-E
IP
Interface
or ITS-E
Voice Data
WAN, Intranet,
PPP
DEFINITY
DEFINITY
Switch 2
or Internet
Switch 1
Ethernet