Configuring Grandstream ATA (Analog Telephone Adapters)

This guide is to help configure or re-configure a Simple Phone Box (Grandstream HT701, HT702, HT704, and HT502) for use with a SwitchBoard or Hosted Phone server.

• First, locate the phone adapters IP address by picking up the phone and dialing ***, then 0 2
• Enter the IP address as a URL in your web browser (the computer and adapter must be on the same network)
• Enter the admin password for the adapter (try admin, or contact customer support for yours)
• Click FXO 1 (or FXS) on the top navigation

Enter the following, and change only the settings mentioned: (Contact Customer Support for SIP details)

• Primary SIP: server (or company.spchosted.com for Hosted Phone)
• Username: Enter your SIP username (or extension/device)
• Password: Enter your SIP password (or extension/device password)
• Allow Outgoing Calls on Unregistered: Choose no
• Scroll down to Dial Plan, and enter this: { <=1[2-9]xx[2-9]xxxxxx | 011[2-9]x. | [34569]11 | *xx+ }
• At the bottom click update or apply, and then reboot device.

A “Device Not Registered” error means that your settings above are not correct or the device does not see the internet.