This article is one in a series to assist in the setup, troubleshooting, and maintenance of Cisco Small Business products.
In order to resolve the problem, complete the instructions below:
1) Changing the Dialing Parameters
2) Power Cycle the Devices
Changing the Dialing Parameters
Access the SPA-400 VoIP gateway's web-based setup page, then look for the Voice tab.
Under Dialing Parameters look for Answer after then change the value of to "1" then click save settings.
After saving the settings, power cycle the devices. For instructions, complete these steps:
Power Cycle the Devices
Unplug the SPA400's power cable.
Unplug the SPA9000's power cable and wait for 30 seconds.
Plug in the SPA9000's power cable and wait for its lights to appear stable.
Plug in the SPA400's power cable and wait for its lights to appear stable.