Grandstream Networks GXW410X User Manual download pdf (Page 23)

TABLE 10: FXO LINE TEST TAB DEFINITIONS

Note: The user can only test the parameters for only one of the PSTN lines at the

same time. In all cases please enter the telephone numbers as if the lines were to

dial each other locally.

For the AC Impedance Test we only need to select the line to be tested by clicking on

the AC impedance box corresponding to that line, telephone numbers are optional.

Remember that the AC impedance test is usually used to reduce the echo that might

be present in the line.

For the CPT test (call progress tones) we will test current disconnect as well. You will

need 2 telephone numbers to perform the test. You can only perform the test on one

line (row) at the same time and it will be the one that has the box checked for testing.

This tested line will use another line connected to the gateway to perform the test by

calling into it, this is why you will have to enter the telephone number for a second

line to help with the test.

For CID detection you will need 2 telephone numbers to perform the test. You can

only perform the test on one line (row) at the same time and it will be the one that has

the box checked for testing. This tested line will use another line connected to the

gateway to perform the test by calling into it, this is why you will have to enter the

telephone number for a second line to help with the test.

To perform the test, please select the line you want to test and the desired test to be

performed. Enter the information for this line as well as a second line if necessary.

Then click on the update button and then reboot. Log back in and now you should

see the information for the line selected as well as the check box already marked

already there. Go ahead and start the test now, please wait a few minutes until the

test is done.

Notes:

It is not required to enter a telephone number when testing for impedance, as the

system does not place any actual calls for the test.

If you log into the Web Interface while the test is running will not interrupt the

process.

Line #

Enter the telephone (PSTN) number that corresponds to this line. Enter it as if you

were going to dial it locally

AC Impedance

Select this box if you want to test for impedance on the line that is on the same row

as the checked box. Remember that you can only check one item at the same time.

CPT Detection

Select this box if you want to test for call progress tones and current disconnect

threshold on the line that is on the same row as the checked box. Remember that

you can only check one item at the same time.

External Number

Enter an external telephone (PSTN) number to be used as an auxiliary number for

the test. This is used only if we do not have at least 2 PSTN lines connected to the

gateway. This is only used for CPT and current disconnect threshold testing. In order

to use this function you will have to monitor the Syslog output. This is only reserved

for very advanced users

External Call Timeout

This is the time the GXW will wait for the external telephone number to pick up during

the test.

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Grandstream Networks GXW410X User Manual Page 23

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