<?php

//external db details
$username = 'user';
$password = 'pass';
$database = 'datbase';
$host = '192.xxx.xxx.xxx';

//create new wpdb instance
$mydb = new wpdb($username, $password, $database, $host);

    //limit hook to only fire on particular form ID (optional)
if ( $cf7->id == 112 ) {

        //get posted form fields
        $field1 = $cf7->posted_data["FName"];
        $field2 = $cf7->posted_data["email-656"];
        $field3 = $cf7->posted_data["TName"];
        $field4 = $cf7->posted_data["Edad"];
        $field5 = $cf7->posted_data["Sucursal"];
        $field6 = $cf7->posted_data["Ciudad"];
        $field7 = $cf7->posted_data["Message"];
        $field8 = date('m/d/Y');

        //insert into external db
        $mydb->insert(
            //name of external db table
            'Cotizador',
            //name of table columns and which fields to insert
            array(
                'nombre' => $field1,
                'telefono' => $field3,
                'email' => $field2,
                'edad' => $field4,
                'ciudad' => $field6,
                'mensaje' => $field7,
                'sucursal' => $field5,
                'fecha' => $field8
                ),
            //field formats: %s = string, %d = integer, %f = float
            array(
                '%s','%s','%s','%s','%s','%s','%s','%s'
            )
        );
    }
}