How to leverage examples of SMS marketing to increase return visits

Speak in British English with a confident, authoritative, and conversational tone - like a senior consultant briefing a client. Measured pace, clear diction, calm authority. Not a lecture, not a sales pitch. Just a knowledgeable professional sharing what they know: How to leverage examples of SMS marketing to increase return visits. A Purple technical briefing. [medium pause] Introduction and Context. [medium pause] Right. Let's talk about SMS marketing and why it matters more than ever for venue operators in 2026. If you run a hotel, a retail chain, a stadium, or a conference centre, you already know the challenge. Getting someone through the door once is hard enough. Getting them back is harder. And doing it without burning through your marketing budget on channels that deliver a twenty percent open rate? That's where most teams get stuck. Here's the thing. SMS achieves a ninety-eight percent open rate. Ninety-eight. Email averages around twenty. And the average text message is read within three minutes of delivery. So when you need to move the needle on return visits this quarter, SMS is the channel that actually reaches people. But here's the catch. SMS only works if you have verified, consented phone numbers. And that's where Guest WiFi becomes your most valuable data asset. Purple operates across eighty thousand live venues, and we've seen this combination - WiFi data capture plus SMS automation - deliver measurable uplift in return visit rates across hospitality, retail, and events. In the next few minutes, I'll walk you through exactly how it works, what good implementation looks like, and the pitfalls that trip up most teams. [medium pause] Technical Deep-Dive. [medium pause] Let's start with the data layer, because this is where most SMS programmes fail before they even launch. The fundamental problem with SMS marketing is phone number quality. Unlike email, where a bad address just bounces, a bad phone number can damage your sender reputation, trigger carrier filtering, and in some jurisdictions, expose you to regulatory penalties under GDPR or TCPA. So the first principle is this: only send to numbers you captured directly, with explicit consent, at a known touchpoint. Guest WiFi is that touchpoint. When a shopper connects to your retail WiFi, or a guest checks into your hotel and logs onto the network, the captive portal - that's the branded login page they see before getting online - collects their phone number as part of the authentication flow. Purple's Engage plan captures this data with a double opt-in mechanism: the visitor enters their number, receives a one-time verification code, enters that code, and then explicitly ticks a consent checkbox for marketing communications. That's a verified, consented number. It's first-party data. It's yours. Now, the architecture. Purple sits as a cloud overlay on your existing network hardware. Whether you're running Cisco Meraki, HPE Aruba, Ruckus, or Juniper Mist access points, Purple connects via RADIUS or API integration and intercepts the guest authentication flow to present the captive portal. The phone number and consent record are stored in Purple's platform, which is ISO 27001 certified and GDPR compliant. From there, Purple Engage can push that data to your CRM - via over four hundred native connectors - and trigger automated SMS workflows. Let me give you a concrete example of what that workflow looks like in a hospitality context. A guest connects to WiFi at a Premier Inn property on a Tuesday night. They enter their mobile number, verify it, and tick the marketing consent box. Purple logs the visit: timestamp, venue location, device identifier. The guest checks out on Wednesday morning. On Friday afternoon, Purple Engage fires an automated SMS. Hi Sarah, thanks for staying with us in Manchester. Book your next stay before Sunday and save fifteen percent. Reply STOP to opt out. That message goes out at two PM on a Friday - peak booking intent time for leisure travellers - to a number that was verified forty-eight hours earlier. The segmentation logic behind that message matters. Purple doesn't just send the same message to everyone. The platform segments by visit frequency, last visit date, venue location, and dwell time. A guest who visited three times in the past ninety days gets a loyalty reward message. A guest who hasn't returned in sixty days gets a win-back offer. A first-time visitor gets a welcome sequence. This is behaviour-triggered SMS, not broadcast SMS, and the conversion rates reflect that distinction. Industry benchmarks from Infobip's 2026 Messaging Trends report show SMS achieving a twenty-nine percent average conversion rate, compared to eighteen percent for email. For venue operators, that translates directly into incremental footfall. Now let's talk about the compliance architecture, because this is non-negotiable. Under GDPR, you need a lawful basis for processing personal data and sending direct marketing. For SMS, that basis is explicit consent. Purple's captive portal flow is designed to meet Article 7 of GDPR: consent must be freely given, specific, informed, and unambiguous. The consent checkbox is pre-unchecked. The marketing purpose is stated clearly. The opt-out mechanism - Reply STOP - is included in every message. Purple logs the consent record with a timestamp and the specific consent language shown at the time of capture. If a guest exercises their right to erasure, Purple's GDPR tools propagate that deletion across connected systems. For US venues operating under TCPA, the same principle applies: prior express written consent is required for marketing texts. Purple's verification flow satisfies this requirement. One more technical point on delivery. SMS delivery rates depend heavily on your sender ID and message content. Purple integrates with tier-one SMS aggregators to maintain high delivery rates. Messages that contain certain trigger words - free, winner, claim now - can be flagged by carrier filters. Purple's campaign builder includes content guidance to help you avoid these patterns. The platform also enforces frequency caps: no more than two messages per week per contact by default, configurable per campaign. [medium pause] Implementation Recommendations and Pitfalls. [medium pause] Let me give you the implementation sequence that works, and the three mistakes I see teams make most often. The sequence is: deploy the captive portal first, build your consented list for at least thirty days before sending any campaigns, segment before you send, and measure return visit rate as your primary KPI - not open rate. Start with the captive portal configuration. Your splash page needs to be branded, load in under two seconds on a mobile connection, and present the consent language clearly. Purple's Engage plan includes over twenty-five language variants for international venues. Get this right before you worry about campaign content. Then build the list. Thirty days of data capture at a medium-footfall venue - say, a two-hundred-room hotel averaging seventy percent occupancy - will generate roughly three thousand verified, consented numbers. That's a meaningful audience for your first campaign. Now the three pitfalls. First: sending too soon. Teams get excited about the channel and fire a campaign the day after launch with a list of two hundred numbers. The statistical significance is too low to learn anything, and if the message isn't right, you've burned those contacts. Wait for the list to mature. Second: ignoring dwell time data. Purple's analytics platform captures how long each visitor spends in your venue. A shopper who spent forty-five minutes in your store is a fundamentally different prospect from one who spent eight minutes. Segment by dwell time and tailor your message accordingly. The forty-five-minute visitor gets a loyalty offer. The eight-minute visitor gets a message with a clear incentive to return. Third: not closing the loop on attribution. SMS drives return visits, but you need to prove it. Purple's analytics platform tracks return visit rate by cohort. Compare the return visit rate of contacts who received an SMS campaign against those who didn't. That's your control group. Avanti West Coast used this approach to demonstrate a four hundred and sixty-three percent ROI on their WiFi marketing programme. The attribution methodology is the same for SMS. [medium pause] Rapid-Fire Q and A. [medium pause] Can I use SMS for event-day communications, not just re-engagement? Yes. Behaviour-triggered SMS works for in-venue as well as post-visit. If a fan connects to stadium WiFi and their dwell time in the concourse exceeds ten minutes, you can trigger a message with a food and drink offer. Purple's presence detection feeds directly into the campaign trigger logic. What's the minimum viable list size for a meaningful SMS campaign? Five hundred verified contacts is a reasonable floor for statistical significance. Below that, you're testing creative, not strategy. How does SMS integrate with existing CRM systems? Purple connects to over four hundred systems via native connectors and REST API. Phone numbers and consent records sync in real time. Your CRM becomes the system of record; Purple is the capture and trigger layer. [medium pause] Summary and Next Steps. [medium pause] So here's what we've covered. SMS achieves a ninety-eight percent open rate because it lands directly on the device, not in a crowded inbox. Guest WiFi is the most reliable mechanism for capturing verified, consented phone numbers at scale - because the connection event creates a natural, low-friction data capture moment. Purple Engage automates the segmentation and campaign logic, so you're sending behaviour-triggered messages, not broadcasts. GDPR and TCPA compliance is built into the capture flow, not bolted on afterwards. And return visit rate - measured against a control cohort - is the KPI that proves the business case. If you're running a venue on Cisco Meraki, HPE Aruba, Ruckus, or Juniper Mist hardware, Purple deploys as a cloud overlay with no rip-and-replace. You can be capturing phone numbers within forty-eight hours of going live. The next step is straightforward. Map your current guest data capture touchpoints. Identify the gap between the number of visits you're recording and the number of verified phone numbers you hold. That gap is your SMS marketing opportunity. Purple's ROI calculator at purple dot ai can give you a venue-specific projection based on your footfall data. Thanks for listening. If you want to go deeper on any of the implementation details covered today, the full technical guide is available at purple dot ai.