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CHAPTER15 Media

Mediant 1000 Gateway & E-SBC | User's Manual

4. Configure the 'Transcoding Mode' [TranscodingMode] parameter to Force when using AGC for

SBC calls. You can configure this using the global parameter or per IP Profile.

5. Click Apply.

Configuring Ground- or Loop-Start Signaling per

Analog Port

The Port Ground Start table lets you configure the signaling control method per analog (FXS or

FXO) port. You can set the port to ground-start or loop-start signaling.

● For ground-start signaling, make sure that the device's chassis houses the FXO G

module (and not the regular FXO module).

● To support FXO ground-start signaling, set the following additional parameters:

✔ EnableCurrentDisconnect to 1

✔ FXOBetweenRingTime to 300

● The FXS ground-start interface does not generate a ringing voltage; the FXS

interface initiates the signaling by grounding the TIP lead.

The following procedure describes how to configure the Port Ground Start table through the Web

interface. You can also configure it through ini file (GroundKeyDetection_x).

➢ To configure signaling method per port:

1. Open the Port Ground Start table (Configuration tab > VoIP menu > Media > Port Ground

Start Table).

2. For each port, select one of the following from the Ground Start drop-down list:

● [0] Disable = (Default) Port uses loop-start signaling.

● [1] Enable = Port uses ground-start signaling.

3. Click Apply, and then reset the device with a save-to-flash for your settings to take effect.

Configuring DSP Templates

The DSP Template determines the coders that can be used by the device and various other

functionalities. For a list of DSP templates and the maximum number of channels supported by

each coder, see Channel Capacity. You can select a single DSP Template.

● If you do not configure a DSP template, the device uses the default DSP template

(i.e., Template 0).

The following procedure describes how to configure a DSP template through the Web interface.

You can also configure it through ini file [DSPVersionTemplateNumber] or CLI (configure voip

> media settings > DSP-version-template-number).

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AudioCodes E-SBC User Manual

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