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3300 ICP Technician’s Handbook
T1/E1 Combo Card
The T1/E1 combo module provides T1 trunking and DSP functionality for
the CX with Release 6.0 software and for all controllers (266/300 MHz
minimum) with Release 7.0 software (MCD 4.0 on the CX II/CXi II). The
DSP provides resources for CLASS tone generation, Record a Call
conferences, DMTF receivers, voice compression. The card also provides
voice echo cancellation.
Figure 104: T1/E1 Combo Card (prior to Release 7.0)
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