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Configuring Multiservice Audio Mode Port Parameters for CTP Bundles (CTPView)

Before you begin:

  • Log in to the CTPView software at least at the Net_Admin level.

  • Connect the CTPView server to the CTP device for which you want to configure bundles.

To configure Multiservice audio mode port parameters using CTPView:

  1. In the side pane, select Bundle > Configuration.
  2. Run your mouse over the Display and Select an Existing Bundle bar.
  3. In the table of bundles, select the bundle that you want to modify.
  4. Under Bundle Options, configure the parameters as described in Table 1 and click Click to Submit Bundle AND Port Changes.
Table 1: CTP Bundle Multiservice Audio Port Parameter Settings in CTPView
Field Function Your Action

Port Description

Specifies a description for the port.

Enter a description of up to 64 alphanumeric characters. Do not use the following characters: 

( ; ' " ) ]

I/F Type

Specifies the daughter card as the interface type.

Select DCARD.

Multi-Service Mode

Specifies that the bundle will run in audio mode.

Select Audio.

Audio Mode

Specifies whether this end of the circuit provides clocking or uses adaptive clocking.

If the CTP devices at both ends of the circuit are synchronized, you can configure both ends as Primary.

Select one:

  • Primary—This end of the circuit provides clocking.

  • Member—This end of the circuit uses adaptive clocking.

Audio Channel

Specifies the channel or channels to enable.

Select one:

  • Channel 0—Enables only channel 0.

  • Dual Channel—Enables both channel 0 and channel 1.

Audio Sample Rate [ KHz ]

Specifies the sample rate for audio circuits in kilohertz. The sample rate determines the audio quality and the network bandwidth needed. Higher sample rates create an IP data flow that requires higher bandwidth.

8 KHz corresponds to standard toll quality voice.

48 KHz corresponds to CD quality audio.

Select one:

  • 8

  • 12

  • 16

  • 24

  • 32

  • 48

Audio μ-law Encoding

Enables or disables μ-law encoding. Standard audio code samples are 16 bits. If you enable μ-law encoding, the 16-bit samples are converted to 8 bits, consuming half of the bandwidth without significant audio degradation.

Select one:

  • DISABLED (16 bit samples)—Generates 16-bit audio samples.

  • ENABLED (8 bit samples)—Generates 8-bit audio samples.

Audio Squelch

Enables or disables the active squelch function on the circuit.

If enabled, specifies whether the squelch is active or inactive.

The squelch function gates local audio output when DSR-A (channel 0) or RTS-A (channel 1) inputs are active or inactive.

Select one:

  • DISABLED—Disables the active squelch function on the circuit (audio output is always enabled).

  • ENABLED/ACTIVE—Squelch input is grounded and analog output is disabled.

  • ENABLED/INACTIVE—No signal is applied to the squelch input. Input is open and analog output is possible.

Audio Channel 0 Output Level

Specifies the output level for channel 0.

Note the following information about the values:

  • 0—There is no output.

  • 128—Unity gain, which means there is no attenuation or gain.

  • 255—Gain is 2:1.

Enter a number from 0 through 255.

Audio Channel 1 Output Level

Specifies the output level for channel 1.

Note the following information about the values:

  • 0—There is no output.

  • 128—Unity gain, which means there is no attenuation or gain.

  • 255—Gain is 2:1.

Enter a number from 0 through 255.

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