Voice bundles originating from the CTP2000 IM-8P-T1/E1, analog CTP2000 IM-4WE&M,
CTP2000-IM-2W-FXS, and CTP2000-IM-2W-FXO modules can use the CTP2000 Compression 2 High
Density Interface Module to compress voice bundles. Voice bundles ranging from 1–24 channels on a T1
module, 1–30 channels on an E1 module, and 1–8 channels on a 4WE&M module can be bundled and
connected through the Compression 2 High Density Module to compress the voice bundle and build the
IP packet.
NOTE: CTP2000 Compression Module can no longer be purchased.
Figure 14: Compression Module
Not used Not used Not used
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Reset
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The Compression Module supports these compression algorithms:
•
G.711 (64k)
•
G.729AB (8k)
This module supports Mu-Law and A-Law companding, echo cancellation, silence suppression, fax/modem
detection, and tone relay. You can configure the compression options when you configure the voice bundle.
RELATED DOCUMENTATION
CTP2000 T1/E1 Interface Module | 13
CTP2000 4WE&M Interface Module | 14
CTP2000 2W-FXS and 2W-FXO Interface Modules | 20
CTP2000 4WE&M Interface Module
The CTP2000 Series 4WE&M interface module has eight 4-wire E&M ports. It is used with voice
compression (VCOMP) bundles in CTP2000 models and can be used only with a CTP2000 compression
module. You can use the 4WE&M interface module to interconnect analog 4WE&M voice applications
with CESoPSN bundles.
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