APKPure Appを使用する
Galaxy SIP Settingsの旧いバージョンをダウンロードすることが可能
あなたのギャラクシータブまたは電話でVoIP（SIP）の設定を構成します
Android 8/Oreo: If this app is not working for you, please try Galaxy SIP Accounts. It is a new version just for Android 8.
This app provides access to the configuration screens for VoIP (SIP) accounts on Galaxy Phones and Tab. Android supports SIP telephony native - however some phone vendors hide the VoIP menus from their configuration.
This app launches the corresponding activity. Tested with Samsung Galaxy Phone S7 and Galaxy Tab S3.
On some devices (e.g. Samsung 2017 A Series Phone & Tablets) the app works - however an empty screen for "Internet Calling Accounts" is shown. It appears that the version of Android on these devices does not include these config screens. Unfortunately, this app cannot help then. Instead, a standalone VoIP app must be installed.