Reference / Glossary / Infrastructure and standards
Call Tracking
Assigning dynamic phone numbers to visitors so calls can be attributed to the campaign, keyword, or channel that brought them. Vendors include CallRail, Invoca, and Marchex; Google Ads offers forwarding numbers for call assets. Calls are a large share of conversions for local and services advertisers.
Related terms
Used in The Signal
Cite this entry:
Agency Echelon. "Call Tracking." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/call-tracking/