Issue
I cannot make TEL calls.
I cannot receive IP calls.
I cannot receive TEL calls.
Document Version
2010/02
Possible Cause & Solution
•
The TEL line is not selected.
→
Before dialing, confirm that "TEL" is shown in the
upper-right corner of the display. Press the center function
button ([F2]) to change the line if necessary.
•
The unit is not set to make TEL calls.
→
Make sure the "Line Selection" setting is set to "IP +
TEL".
•
The operation mode is set to "USB Audio".
→
When the operation mode is set to "USB Audio", you
cannot make or receive IP, TEL, PS or PC calls. Change
the setting to "Peer to Peer" or "IP-PBX".
•
The dial mode setting is incorrect.
→
Make sure that the dial mode matches the type of
telephone service you have (i.e., tone or pulse).
•
The "Operation Mode" setting is not correct.
→
Change the setting to "Peer to Peer" if you want to
make or receive peer to peer IP calls (i.e., calls made by
specifying the called party's IP address).
→
Change the setting to "IP-PBX" if you want to make or
receive intercom and outside calls as a SIP extension of
the connected PBX.
→
When the setting is "USB Audio", you cannot make or
receive IP calls. Change the setting to "Peer to Peer"
or "IP-PBX".
•
The unit is not set to receive TEL calls.
→
Make sure the "Line Selection" setting is set to "IP +
TEL".
•
The operation mode is set to "USB Audio".
→
When the operation mode is set to "USB Audio", you
cannot make or receive IP, TEL, PS or PC calls. Change
the setting to "Peer to Peer" or "IP-PBX".
Troubleshooting
Reference
page 30
page 23
page 26
page 23
page 26
page 23
page 26
Operating Instructions
61