How to\u00a0fix iPhone VoIP calls failing issue\u00a0or VOIP Call Doesn't Work Problem.\r\nThe pomp and show that is seen whenever there is a release of the Apple's phone model is quite high. However, when one learns that the new model of Apple, which is\u00a0iPhone X\u00a0has some issues relating to it, especially the procedural effect, that's when the users have to resort to some useful techniques in order to re-implement the features.\r\nFix iPhone VoIP Calls Failing Issue\r\nWhen one confronts the issues regarding the working of VoIP calls one can look further to resolve the same. Some of the tips given below.\r\n\r\n\r\n\r\nThere are ways to get back the feature of VoIP calls on the\u00a0iPhone X\u00a0or\u00a0iPhone 8\u00a0or any iPhone model.\r\n\r\nThe ways to revive the feature may be some of the below:\r\n\r\nOne could press the 'volume up' key and release.The other way would be to press the 'volume down' key and release. After these steps are done, one can do a long press on the Power button till the time the Apple logo is seen on the screen.\r\n\r\nIt is also possible that the VoIP app could be restarted by deleting the VoIP app and re-installing the same. Once the user selects the app for deleting by clicking on the option provided on the screen, where one has to tap on the 'cross' appearing on the screen. This will lead to uninstalling of the VoIP app and then the same app can be installed from the Apple Store.\r\n\r\nAlso resetting the settings would help to reset the device and get accustomed to the new settings if at all, the old settings are found on the device.\u00a0It can be done by following steps:\r\n\r\n \tGo to 'Settings' App on your\u00a0iPhone.\r\n \tNow tap on the\u00a0General.\r\n \tClick on the 'Reset' button.\r\n \tAfter all, this one just needs to tap on the button 'Reset All Settings'.\r\n\r\nIn order to complete the process, the user has to tap on the confirmation.\r\n\r\nMost of the above-mentioned techniques can be used by the users during the non-working of the VoIP call on the model of iPhone X. This would be a relief for the group which is very fond of Apple's phone models and do not want to exchange or let go of it even after such issues.\r\n\r\nAlso Read:\r\niPhone 10 Release Date\r\nI hope your issue of\u00a0VOIP call not working\u00a0on iPhone is now fixed.