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Cisco Catalyst 6000 Voice T1/E1 and Services Module

The Voice T1/E1 and Services Modules establishes the Cisco Catalyst 6000 family as the most complete campus multiservice platform available, providing high-end T1 or E1 gateways to the Public Switched Telephone Network (PSTN) or legacy private branch exchanges (PBXs) and network-based voice services.

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