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Network Connectivity - Cisco switches may cause Sangoma phones to unregister and timeout

Network Connectivity - Cisco switches may cause Sangoma phones to unregister and timeout

    This is an issue with some Cisco managed switches. The SF/SG 200 and SF/SG 300 Series Managed Switches and some other Cisco switches have a smartport configuration that may cause Sangoma phones to unregister and to timeout when contacting the Switchvox. To check and see if your Cisco switch has smartports settings:

    • Log in to the web configuration utility and choose Smartport > Properties, the default username and password are cisco and cisco. The Properties page opens:

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    • Make sure that the IP Phone box is checked 

    • Uncheck the box labeled CDP.

    • Click apply at the bottom of the page.

    • Retest Sangoma phones and see if they can connect, if they cannot try disabling smartports and test again.