Prohibited and Limited Support Devices

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  Updated - July 6, 2023 Most current list of supported devices. (Download attachment for excel file) Supported Devices End of Support Devices End of Life Devices

• SRTP Audio Encryption Support

  Added functionality that allows for encrypted RTP audio communications between SIP devices, known as SRTP (RFC-3711). SRTP works in conjunction with the TLS protocol for SIP traffic to secure all communications to and from the phones. ZRTP (RFC-6189) ...

• Capture PCAP From Htek Devices

  When troubleshooting a particularly difficult networking issue that is affecting one or more phones collecting a packet capture from the device can provide insightful details to yourself, your IT company, or our support team. Prerequisites Access to ...

• When to use a Gateway or an ATA

  This guide is used to help the user decide whether to use a Gateway or ATA. Prerequisites None Introduction Gateways and ATA's may look similar but they serve 2 different functions. If you have an existing PBX that does not directly support a SIP ...

• Courtesy Phone Extensions

  Prerequisites  You will need a user to have a minimum of `Office Manager` level of permissions to make these changes. If you do not have this access, please contact support. Details Courtesy Phone Extensions allow you to associate certain low-use ...