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Frequently Asked Questions List
Appendix B
If your SIP ATA is not functioning properly, you can refer to this chapter first for sample troubleshooting
before contacting your dealer. This can save your time and effort but if the symptoms persist, please
consult your dealer.
Q:
I forget my ATA login username and / or password
A:
1.) Restore VIP-158 to its factory default settings by pressing the "Reset" button which is at the back
panel of the device for 5 seconds or more.
Q:
Non of the LEDs are on when I turn on the SIP ATA
A:
1.) Check if power cord is connected properly.
2.) Check if there is proper AC power coming from the power outlet.
Q:
Why can't I dial my friend's SIP number?
A:
1.) Check SIP Server Domain Name/IP address. Make sure you have the right Name or IP address.
2.) Check the web browser and access the configuration menu. Make sure that the SIP Server Domain
Name/IP Address is correct.
3.) Check the register status under SIP Account Settings in the configuration menu (from web
browser). If your status is "Idle" (unregistered), it means you do not have a SIP account. Contact
your SIP service provider to get an account.
Q:
Why isn't my firmware updating?
A:
1.) The VIP-158 can automatically detect the new firmware just after you plug in the power. If new
version is available the ATA will automatically update the firmware.
2.) Check if TFTP server IP address is correct.
3.) Check with your supplier if firmware filename is correct.
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