---
title: Why do I need to pick a mobile number field?
description: "Every automation - sending and logging replies - works off the phone number stored in that field. Without it selected, there's no way to know which number to message or match incoming replies against. ### More Related Articles - [What…"
url: "https://www.smsgatewaycenter.com/blog/kb/why-do-i-need-to-pick-a-mobile-number-field/"
updated: "2026-08-25"
category: Integrations / Zoho CRM Messaging integration / Connecting a Module
---

# Why do I need to pick a mobile number field?

Every automation - sending and logging replies - works off the phone number stored in that field. Without it selected, there's no way to know which number to message or match incoming replies against.

### More Related Articles

- [What happens if I pick the wrong mobile field?](https://www.smsgatewaycenter.com/blog/kb/what-happens-if-i-pick-the-wrong-mobile-field/)
- [Can two connections use the same module?](https://www.smsgatewaycenter.com/blog/kb/can-two-connections-use-the-same-module/)
- [Will messages go out to records that already exist in the module?](https://www.smsgatewaycenter.com/blog/kb/will-messages-go-out-to-records-that-already-exist-in-the-module/)

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