Welltech VoIP ATA series V.2.1 - Manual (Page 29)

ATA-171/172/171P/171M/171+/172+
User’s Guide
PSTN-Out
Volume
Default 10. Control the PSTN-Out (PSTN Port) Gain Volume from
(0~12) . . Maximum length is 2 bytes.
Handset Gain Default 8. Control the Handset Gain Volume from 0~15 . .
Maximum length is 2 bytes.
Speaker Gain Default 9. Control the Speaker Gain Volume from 0~15. . .
Maximum length is 2 bytes.
PSTN-In Gain Default 10. Control the PSTN-In (PSTN Port) Gain Volume from
(0~15) . . Maximum length is 2 bytes.
Submit [Button] Submit the change.
Reset [Button] Clear the change.
5.3.3 Operate Instruction
Step 1: On the main page, select [Phone Setting Volume Setting], enter [Volume Setting]
page, after revising all information (e.g. Handset Volume: 9, PSTN-Out Volume: 12, Hand
Set Gain: 9, PSTN-In Gain: 13) (See Figure 1), then click [Submit].
Step 2: After saving change, enter [Note Information] page, “Note Information” will be seen,
then the changing will come into effect.
Step 3: On the main page, select [Save Change] item, enter [Save Changes] page, and execute
the saving command by press [Save]. [Note Information] page will be seen which means
saving successfully. And the system will be restarted, please wait for a while.