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Hi there! Whether you have a question about VoIP calling cards, need help setting up a SIP account, or want to share feedback about our guides, we’d love to hear from you. At Telephone Card Net, we’re passionate about helping travelers, businesses, and tech enthusiasts save money on international calls—and your input helps us improve.

Every message is read personally by Dawn Phillips. You can expect a response within 24–48 hours. We welcome questions about providers, softphone apps, virtual numbers, security tips, or even suggestions for new tutorials.

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Dawn Phillips
1200 17th St NW, Washington, DC 20036
Email: [email protected]

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Dawn Phillips
Dawn Phillips
I’m a technical writer and analyst focused on IP telephony and unified communications. I translate complex VoIP topics into clear, practical guides for ops teams and growing businesses. I test gear and configs in my home lab and share playbooks that actually work. My goal is to demystify reliability and security without the jargon.

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