The Grandstream HT802 is an Analog Telephone Adapter (ATA) that allows analogue phones to be used with Vonage. A Factory Reset is needed when used with a prior service or moving to a different extension.
NOTES:
Before you set up your phone, it must be added to your account if purchased through a third party.
Add Device/Phone to Account | Devices purchased from Vonage are already added to the account, but not set up or assigned to any specific extension. See the next section, Assign Extension to Device/Phone, to complete the setup. Devices added to the account can either be:
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Add Devices to Account that Were Purchased from a Third Party |
NOTE: After saving the new device, it appears in the table on the Devices tab. The Assignment is listed as Unassigned until an extension is set to the device. |
One-Way or No-Way Audio |
Disable SIP ALG and the SPI firewall. |
ATA Not Powering On |
Check that the ATA is plugged in and powered on by an AC power adapter. |
Unable to Make Outbound Calls |
Disable SIP ALG and the SPI firewall. |
Calls Drop After a Few Seconds or Minutes |
Disable SIP ALG and the SPI firewall. |