Use this window to allocate DSP resources, when available, for T.38  Error Correction Mode (ECM) calls.

To View and Edit ECM

On the SBC main screen, go to Configuration > Profile Management > Category: Media Profiles > Packet Service Profile > T38 > ECM.

Select the desired Packet Service Profile from the drop-down list to view its respective ECM parameters.

The ECM window is displayed.


ParameterDescription
ECM Preferred

The SBC allocates an Error Correction Mode (ECM)-capable DSP resource for the leg of the call to which this PSP is assigned. When cleared, SBC uses normal resource allocation.

  • Disabled (default) – use normal resource allocation.
  • Enabled – allocate an ECM-capable DSP resource for the call.

Make the required changes and click Save.


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