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<iframe src='https://docs.google.com/viewer?url=https://imgusr.tradekey.com/images/uploadedimages/brochures/1/9/1859704-201510070545195614b16f27d87.pdf&embedded=true' width='730' height='537' style='border: none;'></iframe>
</div><div style='margin-bottom:5px;margin-top:10px'> <strong> <a title='Skype SIP Gateway' target='_blank'>Skype SIP Gateway</a> </strong> from <strong>
<a href='https://www.tradekey.com/company/Union-Professional-Co-Ltd-1859704.html' target='_blank'>Union Professional Co., Ltd.</a></strong> </div>
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Skype SIP Gateway
Our Main Product Reduce the telephone call cost largely, the cheapest calling rates in the world. No habits changed. Support standard SIP protocol.
