diff --git a/InCallUI/res/values-zh-rCN/qtistrings.xml b/InCallUI/res/values-zh-rCN/qtistrings.xml
index 63af255..120af0a 100644
--- a/InCallUI/res/values-zh-rCN/qtistrings.xml
+++ b/InCallUI/res/values-zh-rCN/qtistrings.xml
@@ -47,4 +47,104 @@
     <string name="modify_call_option_vt_tx">视频发送</string>
     <string name="modify_call_option_vt_rx">视频接收</string>
     <string name="modify_call_option_voice">仅限语音</string>
+    <!-- Call substate label -->
+    <string name="call_substate_label">" 通话质量不佳 - \u000a"</string>
+    <!-- Call substate label for call resumed -->
+    <string name="call_substate_call_resumed">"通话继续\u000a"</string>
+    <!-- Call substate label for call connected suspended (audio) -->
+    <string name="call_substate_connected_suspended_audio">"暂停连接\u000a"</string>
+    <!-- Call substate label for call connected suspended (video) -->
+    <string name="call_substate_connected_suspended_video">"视频电话暂停\u000a"</string>
+    <!-- Call substate label for avp retry -->
+    <string name="call_substate_avp_retry">"AVP 重试\u000a"</string>
+    <!-- Video quality changed message -->
+    <string name="video_quality_changed">" 视频画质变为\u0020"</string>
+    <!-- Video quality High -->
+    <string name="video_quality_high">"高画质"</string>
+    <!-- Video quality Medium -->
+    <string name="video_quality_medium">"中画质"</string>
+    <!-- Video quality Low -->
+    <string name="video_quality_low">"低画质"</string>
+    <!-- Video quality Unknown -->
+    <string name="video_quality_unknown">"未知"</string>
+    <!-- Message indicating that Video Started flowing for IMS-VT calls -->
+    <string name="player_started">"播放器已启动"</string>
+    <!-- Message indicating that Video Stopped flowing for IMS-VT calls -->
+    <string name="player_stopped">"播放暂停"</string>
+    <!-- Message indicating that camera failure has occurred for the selected camera and
+         as result camera is not ready -->
+    <string name="camera_not_ready">"摄像头故障"</string>
+    <!-- Message indicating that camera is ready/available -->
+    <string name="camera_ready">"摄像头就绪"</string>
+    <!-- Message indicating unknown call session event -->
+    <string name="unknown_call_session_event">"未知电话"</string>
+    <!-- Message indicating data usage -->
+    <string name="data_usage_label">"流量使用： "</string>
+    <!-- Modify call error cause -->
+    <string name="modify_call_failed_due_to_low_battery">"由于电池电量不足，无法修改通话。"</string>
+    <!-- Message indicating video calls not allowed if user enabled TTY Mode -->
+    <string name="video_call_not_allowed_if_tty_enabled">"请关闭 TTY 模式以便升级到视频电话。"</string>
+    <!-- Text for the onscreen "Add Participant" button -->
+    <string name="onscreenAddParticipant">"添加参与者"</string>
+    <!-- Description of the deflect target in the Slide unlock screen. [CHAR LIMIT=NONE] -->
+    <string name="qti_description_target_deflect">"转移"</string>
+    <string name="qti_description_deflect_error">"号码未设置。通过 IMS 设置提供号码，然后重试。"</string>
+    <string name="qti_description_deflect_service_error">"不支持呼叫转移服务。"</string>
+    <!-- Message indicating call failed due to handover not feasible -->
+    <string name="call_failed_ho_not_feasible">"无法从 LTE 切换到 3G/2G，通话已结束。"</string>
+    <!-- Title of the IMS to CS redial dialog -->
+    <string name="cs_redial_option">"重拨选项"</string>
+    <!-- Message text of the IMS to CS redial dialog -->
+    <string name="cs_redial_msg">"无法拨打 IMS 视频通话，是否要拨打非 IMS 的语音通话？"</string>
+    <!-- Yes option of the IMS to CS redial dialog -->
+    <string name="cs_redial_yes">"是"</string>
+    <!-- No option of the IMS to CS redial dialog -->
+    <string name="cs_redial_no">"否"</string>
+    <!-- Session modify cause unspecified -->
+    <string name="session_modify_cause_unspecified"></string>
+    <!-- Session modify cause code upgrade local request -->
+    <string name="session_modify_cause_upgrade_local_request">"应用户请求，通话已升级"</string>
+    <!-- Session modify cause code upgrade remote request -->
+    <string name="session_modify_cause_upgrade_remote_request">"应远程用户请求，通话已升级"</string>
+    <!-- Session modify cause code downgrade local request -->
+    <string name="session_modify_cause_downgrade_local_request">"应用户请求，通话已降级"</string>
+    <!-- Session modify cause code downgrade remote request -->
+    <string name="session_modify_cause_downgrade_remote_request">"应远程用户请求，通话已降级"</string>
+    <!-- Session modify cause code downgrade rtp timeout -->
+    <string name="session_modify_cause_downgrade_rtp_timeout">"由于 RTP 超时，通话已降级"</string>
+    <!-- Session modify cause code downgrade qos -->
+    <string name="session_modify_cause_downgrade_qos">"由于服务质量，通话已降级"</string>
+    <!-- Session modify cause code downgrade packet loss -->
+    <string name="session_modify_cause_downgrade_packet_loss">"由于数据包丢失，通话已降级"</string>
+    <!-- Session modify cause code downgrade low thrput -->
+    <string name="session_modify_cause_downgrade_low_thrput">"由于吞吐量低，通话已降级"</string>
+    <!-- Session modify cause code downgrade thermal mitigation -->
+    <string name="session_modify_cause_downgrade_thermal_mitigation">"由于设备过热，通话已降级"</string>
+    <!-- Session modify cause code downgrade lipsync -->
+    <string name="session_modify_cause_downgrade_lipsync">"由于嘴唇同步功能，通话已降级"</string>
+    <!-- Session modify cause code downgrade generic error -->
+    <string name="session_modify_cause_downgrade_generic_error">"由于一般错误，通话已降级"</string>
+    <!-- Title for low battery alert dialogue -->
+    <string name="low_battery">"电池电量不足"</string>
+    <!-- Yes option of the low battery alert dialog -->
+    <string name="low_battery_yes">"是"</string>
+    <!-- No option of the low battery alert dialog -->
+    <string name="low_battery_no">"否"</string>
+    <!-- Message text of the low battery alert dialog in cases when video call can be downgraded to voice call -->
+    <string name="low_battery_downgrade_to_voice_msg">"要将视频通话转换为音频通话吗？"</string>
+    <!-- Message text of the low battery alert dialog in cases video call doesn't have downgrade capabilities -->
+    <string name="low_battery_hangup_msg">"要挂断电话吗？"</string>
+    <!-- Description of the call transfer related strings [CHAR LIMIT=NONE] -->
+    <string name="qti_ims_transfer_num_error">"号码未设置。通过 IMS 设置提供号码，然后重试。"</string>
+    <string name="qti_ims_transfer_request_error">"呼叫转移请求失败。"</string>
+    <string name="qti_ims_transfer_request_success">"呼叫转移请求成功。"</string>
+    <!-- Text for the onscreen "blind transfer" button -->
+    <string name="qti_ims_onscreenBlindTransfer">"无条件转移"</string>
+    <!-- Text for the onscreen "assured transfer" button -->
+    <string name="qti_ims_onscreenAssuredTransfer">"固定转移"</string>
+    <!-- Text for the onscreen "consultative transfer" button -->
+    <string name="qti_ims_onscreenConsultativeTransfer">"询问转移"</string>
+    <!-- Text for operator specific emergency number -->
+    <add-resource type="string" name="emergency_call_dialog_number_for_display_operator"/>
+    <string name="emergency_call_dialog_number_for_display_operator">"紧急呼救"</string>
 </resources>