WELLTECH ATA-171 - V1.4 User Manual page 20

3.6.5 Codec ID Setting: Sometimes 2 VoIP device with different Codec ID will cause the
interopability issue. If you are talking with others got some problems, you may ask the other
one what kind of Codec ID he use, then you can change your Codec ID. When you finished
the setting, please click the Submit button. If there is nothing need to change, please click the
Save Change Item in the left side, then click the Save button. The change you made will save
into the system and the system will Reboot automatically.
3.6.6 DTMF Setting: you can setup the RFC2833 Out-Band DTMF, Inband DTMF and Send DTMF
SIP Info in this page. To change this setting, please following your ISP information. When you
finished the setting, please click the Submit button. If there is nothing need to change, please
click the Save Change Item in the left side, then click the Save button. The change you made
will save into the system and the system will Reboot automatically.
ATA-171/172/171P (ATA-S1/S2/P)
Figure 21. Codec ID Setting
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User's Guide