Symptoms
Only certain numbers on certain websites to swap.
Resolution
Google Tag Manager can use triggers that only allow specific numbers on specific webpages to swap.
These two pieces of Google documentation can be shared with the customer's technical team for implementation:
https://support.google.com/tagmanager/answer/7679319?hl=en
https://support.google.com/tagmanager/answer/7679318?hl=en
