User guide

6. Release FXO Line from PSTN or PABX extension after

call was dropped.

FXO analog interface detect disconnect tone which was sent from PABX

extension or PSTN line to release tip/ring phone wire. In other word, the FXO

line can only drop call after detect an effective disconnect tone. In FXO

gateway webpage configuration, Go to VOIP Setting



Tone to configure

Disconnect 1 and Disconnect 2 in which disconnect tone are needed to match

with PABX or PSTN disconnect tone. See figure 24. For details description,

in details. You can also go to Country Template to select default setting by

each country.

Figure 24. Disconnect tone table.

detection Loop Current Drop signal. Go to FXO Setting



Select FXO Line



Modify Line Setting



Current Drop for Disconnect to YES to enable this

feature. Once calling user drop this call, PSTN or PABX may drop Loop Current

signal for about 300 msec (default setting) to inform FXO interface. To detect

Loop current drop duration can be changed. Go to FXS Setting



Others



Current Drop Time. See Figure 26. This feature depends on the PSTN switch

or PABX you are using. See Figure 25 at webpage configuration.

Dynamix 2540 supports an alternative feature to release FXO port by

please refer to User manual for 2504 and 2540 firmware ver 2.0

3f at page 33