FAQs

In SIP accounts / Lines / Supplementary service
Please enable the MWI (Message Waiting Indicate) and in Voice Mailbox numbers, please also assign the Voice mail number.

Check if the power adapter is properly connected. And the Voltage, Ampere, it should be 5VDC with at least 1 Ampare

Check if the handset cord is properly connected.

Check the status of your SIP registration status or contact your administrator, supplier, or ITSP for more information or assistance.

Check the status of your SIP registration status, or contact your administrator, supplier, or ITSP for more information or assistance

Check if the servers support the current audio codec type, or contact your administrator, supplier, or ITSP for more information or assistance.

Check if the Ethernet cable is properly connected.
Check if the URL is right wrote, the format of URL is: http:// the Internet port IP address.
Check if your firewall/NAT settings are correct.
Check if the version of IE is IE8, or use other browser such as Firefox or Mozilla, or contact your administrator, supplier, or ITSP for more information or assistance.