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Configuring Support for PBX Signalling Protocols
Configuring Transparent CCS on the Cisco MC3810
MC-427
Cisco IOS Multiservice Applications Configuration Guide
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Configuring Transparent CCS on the Cisco MC3810
The Cisco MC3810 provides support for transparent CCS, which provides point-to-point PINX
connection capability to Cisco MC3810 DVM interfaces when the PINX device does not support Q.SIG,
or when the PINX device has a proprietary solution.
You can configure transparent CCS in one of two ways: CCS cross-connect (or TDM cross-connect,
which implies a fractional trunk), or CCS frame-forwarding. These procedures are described in the
following sections:
• Configuring CCS Cross-Connect
• Configuring CCS Frame-Forwarding
Configuring CCS Cross-Connect
Configuration tasks are described in the following sections:
• Configuring CCS Cross-Connect for T1
• Configuring CCS Cross-Connect for E1
• Configuring T1/E1 Trunk Bearer Channels
Figure 99 shows an example of CCS cross-connect. In this example, the CCS channel from the PBX is
cross-connected on the Cisco MC3810 to a time slot on the T1/E1 controller. The channel is then passed
through the WAN as a leased line to the second Cisco MC3810, where it is cross-connected to the DVM
signalling time slot (time slot 24 for T1, or time slot 16 for E1). The channel is then passed to the second
PBX. The CCS signal byte stream is passed through transparently by the Cisco MC3810.
Figure 99 CCS Cross-Connect Configuration
TDM
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CCS
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Leased line
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TDM
cross-
connect