Linksys SPA1001 Administrator User Manual page 116

Regional Tab
Feature Invocation Method
More Echo Suppression
GR909 Test
Linksys IP Phone Administrator Guide
5-32
Select the method you want to use, Default or Sweden default. (Not in PAP2T)
The default is Default.
Enable or disable more echo suppresion. The default is no.
To use this test, select yes. Otherwise, keep the default, no.
Chapter 5 Linksys ATA Field Reference
Document Version 3.2