# 16 手机端测试响铃功能时，找不到响铃的按键

正常手机端响铃按键在如下位置

![](images/16+手机端测试响铃功能时，找不到响铃的按键_d03366e8.jpg)

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有的客户测试的时候说是手机端UI上找不到 Ring Right或者是Ring Left的按键

很可能是客户注册model id的时候没有勾选Support Ring Device

![](images/16+手机端测试响铃功能时，找不到响铃的按键_5e4c1921.jpg)

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<span class="jira-issue resolved" jira-key="BB2BUG-15892"> <a href="https://jira.realtek.com/browse/BB2BUG-15892" class="jira-issue-key"><img src="https://jira.realtek.com/secure/viewavatar?size=xsmall&amp;avatarId=10916&amp;avatarType=issuetype" />BB2BUG-15892</a> - <span class="summary">\[BB2\]\[C-CUT\]\[8763EF\]\[HARMAN\] BT520_GFPS_尋找耳機測試,可連線但無出現提示音</span> <span class="aui-lozenge aui-lozenge-subtle aui-lozenge-success jira-macro-single-issue-export-pdf">Closed</span> </span>

<span class="jira-issue resolved" jira-key="BB2BUG-17511"> <a href="https://jira.realtek.com/browse/BB2BUG-17511" class="jira-issue-key"><img src="https://jira.realtek.com/secure/viewavatar?size=xsmall&amp;avatarId=10916&amp;avatarType=issuetype" />BB2BUG-17511</a> - <span class="summary">\[BB2\]\[C-CUT\]\[8763EF\]\[HARMAN\] BT520_GFPS_Initial Pairing 彈窗</span> <span class="aui-lozenge aui-lozenge-subtle aui-lozenge-success jira-macro-single-issue-export-pdf">Closed</span> </span>

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如果确定model id 配置的没有问题，并且有勾选 Support Ringing Device, 可以查看log看手机有没有来查询Active Components

![](images/16+手机端测试响铃功能时，找不到响铃的按键_fda1a428.jpg)

以及Provided 回复的Active Components是否正确

![](images/16+手机端测试响铃功能时，找不到响铃的按键_178cc112.jpg)

<a href="https://wiki.realtek.com/pages/viewpage.action?pageId=1023058958" rel="nofollow">Retroactive Pair之后没办法使用响铃功能 - BT_Market - WIKI</a>