set echo-cancellation config analog

Last Updated : Nov 06, 2012 |

Configures echo cancellation on analog lines or trunks.

Note:

The recommended setting for all analog trunks and lines is the default configuration 31.

Syntax

set echo-cancellation config analog slot [port] config1 config2

Parameters

Parameter

Description

Possible Values

Default Value

slot

Number of the slot, represented as a number preceded by the letter v . For example, slot 1 is represented as v1.

port

Number of the port on the module, represented as two digits. For example, port 2 is represented as 02. If you do not specify a port, the command applies to all ports in this slot.

config1

A number representing an echo cancellation configuration, as shown in the next table.

The recommended setting is the default configuration. Do not change this setting unless instructed to do so for diagnostic purposes only.

0-255

31

config2

Reserved for future use

0-255

0

Table 1: Analog Trunk/Line Echo Cancellation Settings

Setting

Mode

Description

Comfort Noise Insertion

Call Start-up

0

NLP option 1

Basic NLP Operation

ON

Full reset

1

NLP option 2

More aggressive echo control but less open

ON

Full reset

2

NLP option 3

More full-duplex but less echo control

ON

Full reset

3-7

Reserved

WARNING!: UNEXPECTED RESULTS

8

NLP option 1

Basic NLP Operation

OFF

Full reset

9

NLP option 2

More aggressive echo control but less open

OFF

Full reset

10

NLP option 3

More full-duplex but less echo control

OFF

Full reset

11-14

Reserved

WARNING!: UNEXPECTED RESULTS

15

NLP off

NLP disabled

OFF

Full reset

16

NLP option 1

Basic NLP Operation

ON

No reset

17

NLP option 2

More aggressive echo control but less open

ON

No reset

18

NLP option 3

More full-duplex but less echo control

ON

No reset

19-23

Reserved

WARNING!: UNEXPECTED RESULTS

24

NLP option 1

Basic NLP Operation

OFF

No reset

25

NLP option 2

More aggressive echo control but less open

OFF

No reset

26

NLP option 3

More full-duplex but less echo control

OFF

No reset

27-30

Reserved

WARNING!: UNEXPECTED RESULTS

31

NLP off

NLP disabled

OFF

Partial reset

32

NLP option 1

Basic NLP Operation

ON

Partial reset

33

NLP option 2

More aggressive echo control but less open

ON

Partial reset

34

NLP option 3

More full-duplex but less echo control

ON

Partial reset

35 - 39

Reserved

WARNING!: UNEXPECTED RESULTS

40

NLP option 1

Basic NLP Operation

OFF

Partial reset

41

NLP option 2

More aggressive echo control but less open

OFF

Partial reset

42

NLP option 3

More full-duplex but less echo control

OFF

Partial reset

43 - 46

Reserved

WARNING!: UNEXPECTED RESULTS

47

NLP off

NLP disabled

OFF

Partial reset

48-255

Reserved

WARNING!: UNEXPECTED RESULTS

User level

read-write

Context

general

Examples

To configure line or trunk echo cancellation in port 1 of slot 3 to configuration 31:

Gxxx-001(super)# set echo-cancellation config analog v301 31