chore: 导入旧记忆备份供恢复
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title: UDX710 短信与中国广电 IMS 排障经验
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type: experience
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permalink: main/projects/4f53c06a-c6c3-40ec-b2fc-5f019ea45fc0/udx710-短信与中国广电-ims-排障经验
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stable_id: fd164c80-b38b-4984-8008-48b57ba46e61
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scope: project
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memory_type: experience
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project_id: 4f53c06a-c6c3-40ec-b2fc-5f019ea45fc0
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usage_profile_id: 7aee455b-24cc-4008-bdaf-443721e6f939
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status: active
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revision: 1
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request_id: project-cpe-migration-experience-sms-20260819
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created_at: '2026-08-19T03:21:28.259007+00:00'
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updated_at: '2026-08-19T03:21:28.259007+00:00'
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tags:
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- experience
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- sms
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- ims
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- china-broadnet
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- ofono
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---
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- 厂商 oFono 可能只发 MessagePDU,也可能发 IncomingMessage/ImmediateMessage;接收端必须订阅完整 org.ofono.MessageManager,并支持 GSM 7-bit、UCS-2、分片组装和跨信号源短时去重。
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- SendMessage 返回对象路径只代表入队,不代表已发送;应先订阅 MessageState,按路径等待 Sent/Failed,最长 45 秒,并把 pending、sent、failed 状态落库。
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- 禁止通过厂商 SendAtcmd 调用 AT+CMGL=4;该固件会断开并重启 oFono,应使用 MessageManager 信号接收短信。
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- 中国广电 460/15 数据 APN cbnet 可正常注册,但现有 2021 基带固件未建立 IMS bearer。即使补齐 ims APN 和 VoLTE 白名单,AT+CIREG 仍未注册,收发短信均无 modem 信号;这是基带/运营商承载限制,管理应用无法修复,需要支持广电 IMS 的新版厂商 modem/NV 包。
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