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- Provides up to 16 lines via T1
- Channels 9 through 24 are used for voice and can be assigned to line or pool buttons
- The eight unused (channels 1 through 8) and any channels not used for voice can be used for data via external CSU/DSU
- Provides Direct Inward Dialing (DID) capabilities allowing calls to be routed automatically to particular extensions, hunt groups, and calling groups
- Includes internal CSU for voice call connectivity and diagnostics to the T1 service provider
- T1 programming is performed through Partner ACS PC Administration software