Static numbers can be tagged with any information you want them to be matched with. Go to your Numbers page and edit the desired number. To add a sub_id to a number, simply enter a new tag in the number’s tag field using the Wizard.
Using the Wizard to add Tags to a Number.
sub_id tag key is considered special by Retreaver and your SubID’s will appear on your number and call lists to help drill down on your data.
Seeing the newly added Tag in the list for your Number.
Click Add then Done to have your new tag display on your number.
Tag created using the Wizard.
Save your changes and you’re done.