Some users have encountered problems when using Wi-Fi calling on T-Mobile with a maximum of T-Mobile users. If you are also a T-Mobile user, you may have faced this problem while on a Wi-Fi call.

T-Mobile ER081 Error: What is it?

Wi-Fi calling is a great way to stay connected with others even when there is low network coverage. Sometimes, during a long phone call, your call might drop and you might see the message of ER081 error. Wi-Fi Calling allows you to make calls without having to worry about network coverage.

How to fix this?

In this article, we will show you how to fix this frustrating problem. Even though, after the error has occurred, you can call back again to connect with whom were on call but fixing this problem will be better.

Check for Wi-Fi signals

If you’re having trouble staying connected to your Wi-Fi network, your call may drop due to difficulty in connectivity. If you happen to move around during a call and reach a low Wi-Fi signal area, your call quality will suffer and might lose track of your network. ..

Switch to T-Mobile Router

If you are experiencing the ER081 error when trying to make or receive calls over Wi-Fi, you may want to try using a T-Mobile CellSpot Router. This device is specifically designed to support Wi-Fi calling, and as it provides high bandwidth to the call, you can expect better quality calls. ..

Solve the issue with your same router

To improve your internet connection, you can use your regular Traffic manager and Quality of Service settings. Once you have got that router, you need to go to the Traffic Manager option and after that, you need to turn on the Quality of Service (QoS) rules. Additionally, don’t forget to allow at least 85% of the available bandwidth for Wi-Fi calling.

Power Cycle your router

Your router needs to be power cycled regularly to keep the software and hardware module fresh.

To power cycle your router, you need to switch off the power button and disconnect the plug, then plug in and switch it on after waiting for a minute.

If you have an iPhone, you can test if your voicemail has worked by calling somebody and checking if their voicemail still exists. ..

T-Mobile customer service can help you if none of the methods listed above work for you. You can find a solution or go to this link: https://www.t-mobile.com/contact-us/.

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