16/32/64/128-Channel DSP Module
Card Overview
The 16/32/64/128-channel DSP module is a VoIP voice processing DIMM that provides the voice over IP (VoIP) functions.
Figure 10-1 shows the appearance of the 16/32/64/128-channel DSP module.
Only the DSP module supported by the router can be inserted into the DSP DIMM slot. The DDR3 memory board or unsupported DIMMs cannot be inserted; otherwise, the router may be damaged or does not function properly.
Version Mapping
Table 10-1 describes the mapping between the 16/32/64/128-channel DSP module and software versions.
Card Name |
Device Model |
|---|---|
16/32/64/128-channel DSP module NOTE:
This module is supported in V200R001C01 and later versions. |
AR2204 AR2220E AR2220 AR2220L-AC AR2220L-DC AR2240 (SRU40/SRU60/SRU80/SRU100) AR3260 (SRU40/SRU60/SRU80/SRU100) |
Functions and Features
Table 10-2 describes the functions and features of the 16/32/64/128-channel DSP module.
Function and Feature |
Description |
|---|---|
Basic functions |
Processes the dial tone. |
Parses telephone numbers. |
|
Generates interactive voice response (IVR) and signal voice. |
|
Encode, decode, and convert voice. |
|
Implements voice conferences and echo canceler (EC). |
|
Processes IP packets. |
Technical Specifications
Table 10-3 describes the technical specifications of the 16/32/64/128-channel DSP module.
Item |
Specification |
|---|---|
Physical specifications |
|
Environment parameters |
|
Ordering Information
To place an order, visit https://e.huawei.com/en/how-to-buy to find the local supplier or submit your inquiries online.
Table 10-4 provides the ordering information.