Integration with Lead Retrieval Apps

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Input Validation: Importantly, these forms can incorporate input validation rules to ensure the telephone number is in a correct format, reducing errors. For example, specifying the country code or the number of digits.
vCard and MeCard Integration:

Functionality: QR codes can store contact information directly in formats like vCard or MeCard. When a user scans such a QR code, their smartphone's contact application prompts them to save the contact details, which can include the business's phone number.

Lead Capture (Reverse): While this is often used for sharing your contact details, it can be adapted for lead retrieval. For instance, an exhibitor might have a QR code that leads to their vCard. A more advanced application for lead capture would involve the attendee scanning a generic QR code that then allows them to send their vCard whatsapp number list details to the exhibitor, though this is less common and requires more sophisticated backend processing. The primary use here is ensuring the lead has your number.
Two-Way Exchange: Some event-specific lead retrieval apps facilitate a two-way exchange where both parties can share contact details, including phone numbers, by scanning each other's app-generated QR codes or badges.