APP.VUE 里面加了
setup() {
  console.log("setup -- app.vue");
  onLaunch(() => {
    console.log("setup -- app.vue - onLaunch");
    getRoute();
    uni.loadFontFace({
      family: "PingFang-Sc",
      source:
        'url("https://img.taobit.cn/20210519-1-f80bfb7f429da896f41037c6ad020e2b.ttf")',
      success: (res) => {
        console.log("loadFontFace success", res);
      },
    });
    wx.setEnable1v1Chat({
      enable: true,
      success: (res) => {
        console.log("setEnable1v1Chat success", res);
      },
      fail: (res) => {
        console.log("setEnable1v1Chat fail", res);
      },
    });
  });

业务代码里面使用了

wx.join1v1Chat({
   caller: {
    nickname: profile.value.nickName,
    headImage: profile.value.avatar,
    openid: profile.value.openId
   },
   listener: {
    nickname: props.listener.nickName,
    headImage: props.listener.avatar,
    openid: props.listener.openId
   },
   backgroundType: 3,
   // roomType: 'video',
   roomType: apiUrl.callType,
   success: (res: any) => {
    console.log("join1v1Chat success", res);

    wx.offVoIPChatStateChanged(
     (res: any) => {
      console.log(`移除监听, ${res.state}`);
     }
    )

    wx.onVoIPChatStateChanged((res: any) => {
     console.log(`房间发生变化, ${res.state}`);
    })
   },
   fail: (res: any) => {
    uni.showToast({
     title: '拨打失败，可能对方未打开小程序',
     icon: 'none',
     duration: 2500
    })
    console.log(res)
   },
   complete: (res: any) => {
    console.log("join1v1Chat complete", res);
   }
  })
}

权限也已经配置

"permission": {
    "scope.userLocation": {
       "desc": "你的位置信息将用于小程序定位"
    },
    "scope.record": {
       "desc": "远程验货视频用于录音"
    },
    "scope.camera": {
       "desc": "远程验货视频用于视频查验货物信息"
    }
},

最后调用结果是

join1v1Chat:fail -10086, -5, join room callback failed: 13, 290738557453344500

服务在8月27日及之前可用，有调用记录，代码未动，8.28之后不可用