4 echo cancellation, 12 analog phone, Figure 65 phone > analog phone – ZyXEL Communications P-2602R-DxA Series User Manual

4 echo cancellation, 12 analog phone, Figure 65 phone > analog phone | Table 41 phone > analog phone, Settings in, Section 10.12, To distin | ZyXEL Communications P-2602R-DxA Series User Manual | Page 134 / 348