# SIM Based Call Monitoring & Lead Management Software on ZEEF > Human-curated sim based call monitoring & lead management software resources by named experts. Not algorithm-ranked results. ZEEF is a human-curated link directory. Every page is built by a named person, not ranked by algorithm. Multiple curators can build competing pages on the same subject, so readers see multiple expert perspectives. ## Curator pages on this subject - [SIM Based Call Monitoring & Lead Management Software by Dhruven Ponkiya](https://callyzer.zeef.com/dhruvenponkiya): Manage and analyze your call logs with detailed insights, summaries, statistics, and reports. Upgrade to Callyzer for advanced call analytics. - [Callyzer - Call Tracking & Sales Software](https://callyzer.co/) — Cloud-based call tracking and sales monitoring platform for remote teams and telecalling operations. - [Pricing Plans](https://callyzer.co/pricing/) — Transparent pricing options for Callyzer's call tracking and CRM solutions. - [Schedule a Demo](https://callyzer.co/schedule-demo/) — Book a personalized demo to see Callyzer's features in action. - [Partner Policy](https://callyzer.co/partner-policy/) — Terms and guidelines for Callyzer partners and resellers. - [Telecalling CRM](https://callyzer.co/telecalling-crm/) — Integrated CRM system designed specifically for telecalling teams and remote sales operations. ## About ZEEF - [Homepage](https://zeef.com): Sifting knowledge from noise - [Browse subjects](https://zeef.com/_/subjects) - [Meet curators](https://zeef.com/_/curators) - [FAQ as Markdown](https://zeef.com/faq.md)