back-call

n.

（推销员对顾客的）第二次访问；

Method and system for limiting back-call service trigger
High-Quality Lighting Fixtures Minimize the Most Expensive Part of Lighting Installations--a "Back-call"
Strachan Hit by Full-Back Call-Off Blows; ExclusiveScots Blow
Byner Knows ABCs of H-Back;Call His Position What You Will, He's Replacing Didier, Sort Of
Prunty punishes Arbroath after pass-back call
Dial-Back Call Traps Evil Rapist
Small Clubs in Pay-Back Call to New Chief Baister
Greens back call for APY marijuana date - Media Watch - NCPIC
Session Initiation Protocol (SIP) Media Feature Tag to identity a Public Safety Answering Point (PSAP) Callback Call
Euro-Sceptics Back Call to Curb Court's Powers