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.