Our tech support team at VoIP Supply offers great pre- and post-sales support plus provisioning, consultations, configuration, and installation help. We get a lot of VoIP hardware and software questions and would like to share the solutions with everyone.

In the previous Mom’s calling Q&A series, we have discussed: Can Skype Work on the Grandstream GXV3275 and GXV3240? Today, we have more new real questions and answers from VoIP users just like you. Let’s take a look!

Grandstream DP750 Ringing Stopped Working. What Can I Do?

Q: I have a handful of Grandstream DP750 with headsets at different customer sites and they all experience similar inbound call issues. The most common is that the phones will work fine inbound and outbound after a reboot but within a few minutes inbound ringing stops working but outbound calls work fine. Please advise.

A: Try factory reset the phone after the firmware upgrade and re-register the handset to the base station. It should solve your issues. Here is the DP750/DP720 Firmware Release Note for your reference: http://firmware.grandstream.com/Release_Note_DP750_DP720_1.0.2.16.pdf

Stay Tuned

Come back for more VoIP questions and answers next time! If you have VoIP questions to ask us please submit a technical support ticket or contact our VoIP experts today at 866-582-8591.

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