Welltech VoIP ATA series V.2.1 - Manual (Page 101)

ATA-171/172/171P/171M/171+/172+
User’s Guide
(Figure 1)
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 click [Save]. [Note Information] page will be seen which means saving
successfully. And the system will be restarted, please wait for a while
Step 4: After rebooting, and call to another equipment, press [Flash], hold this call. Hold
function change to “sendonly” even. Please refer to the following picture, column [
[Media
Attribute (a): sendonly] (See Figure 2)
(Figure 2)
Example2: Without Use DNS SRV
Step 1: Please check [Ethereal] Packet and
[Standard query response A 220.128.207.131]
Packet information (See Figure 3)