Sparklan WVTR-141, User Manual

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5.7 Why can’t I make VoIP phone calls to others?
Please check the “VoIP Basic Settings” webpage, and compared if all the
information your ITSP gave you has been entered into WIFI-ATA correctly.
5.8 WIFI-ATA doesn’t respond correctly to key press sometimes.
If the behavior of WIFI-ATA is not so properly especially you need to dial the number after
the phone connection has established, such as dialing the extension numbers, the DTMF
setting is probably wrong. Please enter the “VoIP Advanced Settings” webpage, and check
the DTMF settings. The setting should be absolutely the same as what ITSP told you;
otherwise, you WIFI-ATA might have some troubles while you need to dial again during
the phone calls.
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