How to leverage SMS marketing programs to increase return visits

You are a senior technology consultant briefing a client in a confident, conversational, authoritative British English accent. Speak clearly, at a measured pace, with natural pauses between sections. This is a professional podcast episode, not a lecture. Speak directly to the listener as "you": Welcome to the Purple Intelligence Briefing. I'm your host, and today we're covering something that sits at the intersection of your WiFi infrastructure and your marketing stack - SMS marketing programs, and specifically how to use them to drive return visits to your venue. [medium pause] Let's start with context. You already have a Guest WiFi network. Guests connect, they browse, they leave. But here is the question: do they come back? And more importantly, do you have any way to influence whether they come back? That is exactly what a well-structured SMS marketing program solves. The numbers are hard to argue with. SMS messages carry a 98% open rate, compared to roughly 20% for email. Ninety percent of those messages are read within three minutes of delivery. The average response rate sits at 45%, against email's 6%. And the ROI? Between 21 and 71 pounds for every pound spent, according to industry data from Omnisend and the Mobile Marketing Association. These are not aspirational figures. These are benchmarks from live programmes across retail, hospitality, and events. [medium pause] Now, here is the architecture piece. The whole system starts with your captive portal - the login page guests see when they connect to your WiFi. That is your data capture moment. When a guest logs in via Purple Engage, they provide a verified phone number with explicit consent. That is first-party data. Not third-party cookies, not inferred data from ad networks. A real phone number, tied to a real person, who has actively agreed to hear from you. [medium pause] That data flows into Purple's platform, where it gets segmented. You can slice your audience by visit frequency, dwell time, the specific zone of your venue they visited, or the time of day they typically connect. A shopper who visits your retail store every Saturday morning is a very different audience segment from a conference attendee who was in your venue once for a trade show. You send them different messages, at different intervals, with different offers. [medium pause] Let me walk you through the technical implementation in more detail. There are five stages to a properly deployed SMS marketing programme. Stage one: WiFi connection. The guest connects to your network. Purple captures the device MAC address, connection timestamp, and venue location. This is the trigger event. Stage two: Captive portal login. The guest authenticates via social login, email, or phone number. If they provide a phone number and tick the SMS consent box, that number is stored against their profile. Consent status and timestamp are recorded in line with GDPR requirements. Stage three: Data enrichment and segmentation. Purple Engage builds a guest profile. Over multiple visits, you accumulate visit frequency data, dwell time patterns, and engagement history. The platform segments guests automatically based on rules you define - lapsed visitors, high-frequency regulars, first-time guests, and so on. Stage four: Automated campaign triggers. You configure campaign workflows. A first-time visitor gets a welcome message 24 hours after their visit. A guest who has not returned in 30 days gets a re-engagement offer. A regular who visits weekly gets an exclusive loyalty reward. These are not manual sends. They fire automatically based on the data. Stage five: Return visit attribution. When the guest reconnects to your WiFi, Purple logs the return visit and attributes it to the campaign that triggered it. You get a closed loop - send, click, visit, measure. You are a senior technology consultant briefing a client in a confident, conversational, authoritative British English accent. Speak clearly, at a measured pace, with natural pauses between sections. This is a professional podcast episode, not a lecture. Speak directly to the listener as "you": Now let me give you two real-world scenarios to make this concrete. First, a hotel group. Imagine a 200-room property running Purple Engage on Cisco Meraki hardware. Guests connect to WiFi at check-in, provide a phone number during the login flow. The hotel configures three automated SMS sequences: a welcome message on day one of their stay with a restaurant offer, a post-checkout message three days later with a loyalty discount for their next booking, and a re-engagement message 60 days after checkout if they have not rebooked. The result: a measurable lift in direct bookings, bypassing OTA commission fees, and a guest database that grows with every stay. Second, a retail chain. A mid-size fashion retailer with 40 stores deploys Purple across all locations on HPE Aruba access points. Shoppers who connect to in-store WiFi and opt in to SMS receive a personalised offer based on which department they visited - inferred from dwell time in specific zones. A shopper who spent 15 minutes in the footwear section gets an SMS the following Tuesday with a footwear promotion. The click-through rate on these targeted messages runs at 22%, against a 4% baseline for untargeted broadcast campaigns. [medium pause] Right, let's talk about implementation pitfalls - because there are several that will kill your programme before it gets started. The first is consent architecture. You must capture explicit, granular consent for SMS marketing. A pre-ticked box does not meet GDPR requirements. The consent must be freely given, specific, informed, and unambiguous. Purple's captive portal handles this correctly by default, but if you customise the splash page, do not remove the consent checkbox or make it mandatory. That creates a legal exposure. The second pitfall is message frequency. The data is clear: 61% of SMS unsubscribes happen because the subscriber received too many messages. A sensible starting cadence is no more than two to four messages per month per contact. Use suppression logic to prevent guests from receiving multiple campaigns simultaneously. The third pitfall is list hygiene. Invalid numbers, disconnected lines, and opted-out contacts need to be removed from your active segments. Purple handles delivery status tracking automatically, but you should review your delivery rate monthly. A delivery rate below 95% signals a list quality problem. The fourth pitfall is attribution gaps. If you are not closing the loop between SMS send and return visit, you cannot prove ROI. Make sure your Purple Engage configuration is set to track return visits against campaign IDs. Without this, you are flying blind on what is actually working. [medium pause] Now for a rapid-fire Q and A on the questions we hear most often. Question: Do I need a separate SMS platform, or does Purple handle it natively? Answer: Purple Engage includes native SMS campaign automation. You do not need a separate platform for the core use case. For enterprise-scale deployments with complex CRM integration, you can connect Purple to external platforms via API. Question: What hardware does this work on? Answer: Purple is hardware-agnostic. It deploys as a cloud overlay on Cisco Meraki, HPE Aruba, Ruckus, Juniper Mist, Ubiquiti UniFi, Cambium, Extreme, and Fortinet. You do not need to replace your existing infrastructure. Question: How do I handle GDPR compliance for SMS? Answer: Purple captures consent at the point of WiFi login, stores consent timestamps, and provides a self-service opt-out mechanism in every message. Data is processed in line with GDPR and CCPA. Purple holds ISO 27001 certification and is B Corp certified. Question: What is a realistic return visit uplift I should expect? Answer: Industry benchmarks suggest a 15 to 25% increase in return visit frequency for guests enrolled in an active SMS programme, compared to those who are not. Your actual figure will depend on message relevance, offer quality, and send cadence. [medium pause] To summarise. Your Guest WiFi is already capturing footfall data. The question is whether you are using it. An SMS marketing programme built on verified first-party data from your captive portal is one of the highest-ROI marketing channels available to venue operators today. The open rates are unmatched. The attribution is clean. The compliance framework is well-established. The three things to do this quarter: first, audit your current captive portal to confirm you are capturing phone numbers with explicit SMS consent. Second, configure at least one automated re-engagement sequence in Purple Engage - a 30-day lapsed visitor campaign is the easiest starting point. Third, set up return visit attribution so you can measure the impact. If you want to go deeper on the technical architecture, the Purple website has detailed implementation guides at purple dot ai. And if you are evaluating Guest WiFi platforms, the analytics and engagement capabilities are covered in the WiFi Analytics section. That is it for today's briefing. Thanks for listening.