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How to make phone calls and send SMS with PHP
![PHP against a dark background indicating how to make calls and send text via PHP using bandwidth APIs](https://www.bandwidth.com/wp-content/uploads/2024/07/f636cc2b77faf7ca01e24c69fd46f546-900x500-c-default.png)
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How to make phone calls and send SMS with Node.js
![Node.js logo against a dark background indicating how to make phone calls and send SMS with Node.js](https://www.bandwidth.com/wp-content/uploads/2024/07/34887e8fadfd477ebf9ce92bbf58b0b5-900x500-c-default.png)
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How to make phone calls and send SMS with C#
![C# and how to send phone calls and messaging using C#](https://www.bandwidth.com/wp-content/uploads/2024/07/4e71d44e83820a02f173a0508fc7dc4e-900x500-c-default.png)
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Debugging for WebRTC developers
![A laptop screen showing debugging icon and a couple of windows showing lines fo code](https://www.bandwidth.com/wp-content/uploads/2024/07/44aa33049475b6269c4785d7b39df53e-900x500-c-default.png)
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Voice
Getting rid of your (telecom) hops
![Phone with text: no more hops](https://www.bandwidth.com/wp-content/uploads/2024/07/6486d70a907a76b8ce55166b2f399665-900x500-c-default.png)
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Messaging
This is not the 10DLC update you’ve been waiting for
![green message icon on blue iphone](https://www.bandwidth.com/wp-content/uploads/2024/07/00d47d386245b00cd3afe9d0acbaca81-900x500-c-default.png)
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Messaging
How to build a text message autoresponder
![A message emerging from a mobile phone indicating how to build a text message autoresponder](https://www.bandwidth.com/wp-content/uploads/2024/07/1647f89a7b6890692b5932305c0b557f-900x500-c-default.png)
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How to troubleshoot VoIP call quality issues
![A phone call with a warning sign indicating call quality issues](https://www.bandwidth.com/wp-content/uploads/2024/07/c4fb7159b89e0ae95073d7d0ca0b2601-900x500-c-default.png)
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Optimize your contact center with Interactive Voice Response (IVR)
![](https://www.bandwidth.com/wp-content/uploads/2024/07/3030b811d4d16ec2dce5c5ce29a2896e-900x500-c-default.png)
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K4Connect & Bandwidth help long-term care communities with COVID-19 efficiencies
![](https://www.bandwidth.com/wp-content/uploads/2024/07/70fddedfaee20801e9cf1d2dd5193c6f-900x500-c-default.png)
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Bring phone calls to your web browser with Bandwidth and WebRTC
![A computer screen showing windows with in-app video and lines of code](https://www.bandwidth.com/wp-content/uploads/2024/07/5e0a0d8f425433d794ab6a2975c24016-900x500-c-default.png)