--- title: "Can technicians call customers through ServiceTitan Mobile without having a job booked?" slug: "can-technicians-call-customers-through-servicetitan-mobile-without-job" tags: ["Area - Estimates and Sales", "Area - ST Mobile (Legacy)", "Focus - Construction", "Focus - Service Replacement", "Role - Technician", "Type - Commercial", "Type - Residential"] updated: 2026-10-15T03:46:37Z published: 2026-10-15T03:46:37Z canonical: "help.servicetitan.com/can-technicians-call-customers-through-servicetitan-mobile-without-job" --- > ## Documentation Index > Fetch the complete documentation index at: https://help.servicetitan.com/llms.txt > Use this file to discover all available pages before exploring further. # Can technicians call customers through ServiceTitan Mobile without having a job booked? ## Problem Technicians need to call customers in the ServiceTitan mobile app without booking a new job. ## Solution 1. Open the ServiceTitan mobile app on your device and go to the **Follow-Up** tab. This is where you can find estimates from completed jobs you are assigned to. 2. Look for the opportunity that belongs to the customer you want to call. 3. Tap **View Opportunity**. 4. Tap **Call** to place a call to the customer. ![Call customer from follow up screen](https://cdn.document360.io/961862ab-d0f2-4d91-bb62-a62ee8184eff/Images/Documentation/can-technicians-call-customers-through-servicetitan-mobile-without-having-a-job-booked-image-u7a5utqr.png?sv=2026-02-06&spr=https&st=2026-11-09T11%3A39%3A14Z&se=2026-11-09T12%3A39%3A14Z&sr=c&sp=r&sig=%2Ft21mpbvRjdvR4ZSp9xoT5aDjwOGExL7ysN6%2B92ocrQ%3D) > [!NOTE] > **Note:** Calling from the History tab without an open estimate is not currently supported.