I've previously been running v3.something of the firmware which allowed you to set the FXS port impedance to 370+620||210nF which was the standard all the instructions told you to use for a UK BT Line.
I've now upgraded to version 5.1.10 of the firemware and this option is no longer available. I've currently got it set to the default 600, but im getting some echo on the line.
Is this a bug that the 370+620 isnt available or should it now be set at a different level.
You have a Cisco Unified Communications Manager (CUCM) system and want
to configure a SPA112 analog telephone adaptor (ATA) to register to the
CUCM so that you can use up to two analog phones or similar FXS devices
with the CUCM.In this application note, ...
This document is a must-read for all SPA232D installers, administrators,
and users. The document takes you from unboxing the SPA232D ATA and
SPA302D DECT handsets, through DECT handset registration, and connecting
to the PSTN and ITSP.The document describ...