Follow these six easy steps to provision a Grandstream DP710 or 715 DECT Phone that is fresh out of the box or has been restored to factory defaults. You should be running firmware version 220.127.116.11.
Register the first handset with the DECT base
Access the Web interface of the DECT base station
More information on the Web interface of the DECT base station can be found at: Grandstream’s website.
Update the firmware version of the DECT base station
Configure provisioning information in 3CX Phone System for the new phone
Transfer the configuration to the Grandstream DECT system automatically
Configure additional DECT participants (possibly as a 2nd unit to a desk phone)
If you have been following along, you have configured your first handset. If you need to connect additional handsets, you will need to configure the SIP information for the new accounts manually. All the settings except the extension number, Extension ID and password for all SIP accounts are already configured when you provisioned the first extension.
To create more extensions in the DECT system, you need to:
The Extension number, SIP ID and Password need to be manually copied over for the additional handsets. For each account, you should also:
Then switch to Telephone > Call Control > Line 2 and use the display name of the extension.
Repeat this process for each additional DECT extension. Remember to navigate to Update > Reboot for the settings to become effective.