Call up
Call up verb - Get or try to get into communication (with someone) by telephone.
Cite this Source
Secure and Call up. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/call_up/secure
Call up & Secure. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/call_up/secure>.
Secure or Call up. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/call_up/secure.
Google Ngram Viewer shows how "call up" and "secure" have occurred on timeline