工业电话系统音频自检功能介绍

介绍

概述

本文档介绍工业对讲和门禁电话设备的音频自检,也称为回声自检功能。 该功能通过喇叭播放音频,并由麦克风采集音频,以测试喇叭和麦克风,从而实现音频组件的远程诊断。

适用型号

BHP-SOS12, BHP-SOS11, BHP-SOS16V, BHP-SOS18, Bi20S, Bi30, Bi32V, Bi33V, BHP-SOS10V, BK-DAB-PA3, BK-DAB-PA2S

音频自检的工作原理

设备通过喇叭播放测试音,然后通过麦克风录音。设备会测量接收到的音频百分比: - 高于阈值 = 测试成功 - 低于阈值 = 测试失败

音频自检示意图

                                                                                                                      图 1 音频自检示意图

应用场景

用于远程设备巡检,尤其适用于广播音频缺失或中断的情况。 可降低现场维护成本并提升效率。

前置条件与工具

音频自检场景

                                                                                                                        图 2 音频自检场景

  1. 1 台工业对讲设备,例如 BHP-SOS12、PoE 交换机、Keneng 服务器

  2. 连接至同一 LAN 的配置电脑

设备与电脑连接示意图

设备与电脑连接示意图

                                             图 3 设备与电脑连接示意图

操作指南

回声自检提供以下四种方法:

1. Active URI 方法

通过远程控制台发送 HTTP GET 请求触发。

格式: http://device-ip/cgi-bin/ConfigManApp.com?key=ECHO_TEST

结果:
- 成功:喇叭和麦克风正常工作
- 失败:喇叭/麦克风断开或故障

示例: http://172.18.8.15/cgi-bin/ConfigManApp.com?key=ECHO_TEST

Active URI 音频自检

图 4 Active URI 音频自检

2. HTTP API 方法

基于 XML 的 API,用于第三方集成。

请求 URL: http://device-ip/xmlservice (POST)

请求 XML:



URI="cmd:echo_test"

响应 XML:



URI="cmd:echo_test"
0

HTTP API 音频自检

图 5 HTTP API 音频自检

3. 时间计划方法

计划自动自检,并通过 Action URL 上报结果。

  1. 登录 Web UI → Intercom → Time Plan → Time Plan Rule

  2. Action Type: Audio Self-Test

  3. 设置执行时间

时间计划音频自检

图 6 时间计划音频自检

4. SIP 消息方法

在公网环境中通过 SIP 服务器执行自检。

  1. 设备在服务器上注册 SIP 账号

  2. 在 Keneng 服务器上创建自检任务

  3. 执行任务:在服务器上查看 Success/Failure

SIP 消息音频自检

图 7 SIP 消息音频自检

抓包验证:

  1. Web UI → System → Tools → Packet Capture → Start

  2. 执行自检 → 停止抓包

  3. 在 Wireshark 中打开 → 筛选 sip

  4. 检查 MESSAGE 内容:Success / Fail

设备抓包

图 8 设备抓包

通过抓包检查结果

图 9 通过抓包检查结果

故障排查:自检失败

  1. 检查连接

    • 喇叭断开 = 测试失败

    • 麦克风断开 = 测试一定失败

  2. 检查组件

    • 确认喇叭和麦克风未损坏

    • 如果组件正常但测试失败,请联系支持

  3. 检查环境

    • 测试使用 1KHz 音调

    • 环境中的 1KHz 噪音可能造成误判成功

    • 请在安静环境中测试

目录
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