Extract call extension info associated to an ad group

Hi: I'm generating a performance report for my ad groups ( clicks , click types, impressions ...) If an ad group is associated with a call extension ( I would like to know phone number associated ) Is there any way to extract call extension info ( specially phone number ) associated to an a

Meaning "NumOfflineImpressions" vs "Impressions" ( segment ClickType )

Hi: I'm getting campaign performance report (CAMPAIGN_PERFORMANCE_REPORT) throught API Adwords 3.9.0 I'm selecting records by segment ClickType The campaign has enabled Call Extensions to show a phone I don't understand the meaning of some columns . For example, for the same campaign: Cl