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2026-05-17 14:53:48

新泽西州 62 个电话局铜线退役:企业语音通信加速 IP 化

新泽西州 62 个电话局的铜线网络退役正推动企业从 PSTN、模拟中继和传统 PBX 迁移到 VoIP、SIP 和 IP PBX。这一转型不仅改变网络传输方式,还涉及号码携转、终端接入、旧模拟设备兼容性以及企业通信架构。

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新泽西州 62 个电话局铜线退役:企业语音通信加速 IP 化

已经运行数十年的铜线电话线路陆续退役,正在推动新一轮 VoIP 通信转型。

2026 年,新泽西州的铜线网络退役进程加快。已公布的计划涉及 62 个电话局,实施时间安排在 2026 年 12 月 10 日或之后。与此同时,当地一家 VoIP 服务商发布了更新后的 2026 年云电话资费,提供三个服务档次,起价为每月 19.99 美元,使企业如何摆脱铜线电话线路成为现实的市场议题。

此次变化最重要的并不是资费,而是通信架构的转变。企业语音服务过去主要依赖运营商的铜线、模拟中继和部署在本地的 PBX。随着传统电话基础设施逐步退役,越来越多的企业需要重新设计语音通信的提供方式。

2026 年 3 月,美国联邦通信委员会(FCC)进一步调整网络现代化规则,为运营商加速退出传统铜线基础设施提供了更大空间。对企业 IT 团队而言,是否继续依赖铜线电话服务正从长期规划问题转变为需要尽快解决的迁移问题。

语音服务从专用线路转向 IP 网络

传统 PSTN 服务的显著特征之一,是电话号码、实体线路与语音通路之间存在明确的物理对应关系。一对铜线进入企业场所,连接到 PBX、模拟电话或其他终端,形成相对固定的通信路径。

VoIP 改变了这种关系。语音被数字化并封装为 IP 数据流,通过以太网、宽带或专用 IP 网络传输,再由 IP PBX、SIP 平台或云端呼叫控制系统管理号码、分机与呼叫路由。

这意味着扩展电话系统不一定需要再增加一条实体电话线路。企业号码也不必始终绑定某一部桌面电话。IP 电话、电脑软电话、移动应用、分支机构终端和远程员工都能参与同一套基于 SIP 的呼叫环境。

从技术角度看,铜线退役正推动企业语音通信从 以实体线路为中心的模式转向以网络为中心的模式。规划时关注的问题也从“需要多少条外线?”转向带宽、SIP 并发呼叫数、QoS、呼叫路由和终端注册。

正在退役的 PSTN 铜线电话网络,以及企业从模拟中继和传统 PBX 向以太网、SIP、VoIP 与 IP PBX 网络迁移的过程
铜线退役使企业语音通信逐步摆脱专用电话线路,迁移到基于 IP 的通信网络

企业电话系统从 PBX 硬件转向网络与软件

在铜线时代,扩展企业电话系统往往意味着增设模拟中继卡、数字分机板,或将 PBX 更换为容量更大的硬件平台。系统容量与物理插槽和线路数量密切相关。

随着通信 IP 化,电话系统的核心逐渐转向软件定义的呼叫控制。IP PBX 负责分机、号码和路由管理,SIP 在终端与中继之间建立会话,网络负责承载语音流量。

由此带来的另一项重要变化,是企业电话能够更直接地与业务软件集成。

来电时,CRM 平台可以显示客户资料;呼叫队列可根据部门、时间或座席状态分配来电;录音能够集中保存;分支机构可以共用编号方案。AI 应用也可以参与语音转写、通话摘要、自动应答和呼叫路由。

新泽西州该 VoIP 服务商在 2026 年推出的服务套餐体现了这一变化。基础套餐侧重替代传统企业电话服务,更高档套餐则加入呼叫队列、录音、CRM 集成、报表、AI 接待和通话摘要等功能。

这表明市场竞争的焦点正在从 “谁能提供电话线路”转向“谁能交付完整的 IP 语音通信能力”。 电话不再只是摆在办公桌上的独立设备,而越来越成为更广泛数字通信平台中的一个终端。

企业电话系统从传统 PBX 硬件转向 IP PBX 和 SIP 软件平台,连接桌面电话、软电话、移动客户端、CRM 系统及分支机构
企业电话系统的核心正从实体线路与硬件交换设备转向 IP PBX、SIP 和基于软件的呼叫控制

真正的迁移难点在于电话线路背后的技术

如果企业只关注员工使用的桌面电话,铜线迁移似乎相当简单:将电话换成 IP 终端、携转号码并配置 SIP 中继,就可以把主要办公语音业务迁移到 IP 网络。

真正的复杂性往往隐藏在铜线线路所连接的设备中。传真机、报警拨号器、电梯电话、门禁对讲、紧急电话、部分支付终端和固定式工业电话仍可能依赖模拟接口。

这些设备不能简单地采用“插上网线就完成迁移”的方式处理。有些设备依赖模拟线路电压、振铃、DTMF 或特定拨号行为。传真业务可能需要兼容 T.38 或 G.711,而报警和电梯通信可能受到更严格的应急服务要求约束。

因此,铜线退役并不意味着必须一次性更换全部模拟终端。仍具有使用价值的设备通常可通过 ATA、FXS 网关或 IAD 接入新的 SIP 环境,使核心交换与中继基础设施迁移到 IP 网络,同时保留部分模拟终端继续运行。

首先需要解决的是兼容性。企业应查清每一条模拟线路连接了什么设备、承担什么功能,以及是否涉及安全相关服务,然后再决定更换终端,还是通过网关保留。

传真机、报警终端、电梯电话、工业电话等模拟设备通过 ATA、FXS 网关或 IAD 从退役铜线迁移至 SIP 与 IP PBX 网络
在从 PSTN 迁移到 VoIP 的过程中,传统模拟设备往往比普通办公电话需要更多规划

对于仍在使用传统 PBX 的企业,收到铜线退役通知后立即更换所有电话未必是最实用的办法。第一步应建立完整的语音通信资产清单:每个外部号码由谁使用、哪些号码必须保留、哪些终端属于模拟设备、哪些线路承担报警或应急功能,以及哪些设备可以直接迁移到 SIP。

随后可以分阶段完成号码携转、SIP 中继迁移、IP PBX 配置、模拟设备接入,以及员工呼叫流程调整。这样既能减少一次性大规模替换的需求,也能避免因忽略某条传真、报警或应急线路而在铜线服务停止后突然失联。

未来规划企业电话系统时,首先提出的问题可能不再是“运营商能提供多少条线路?”,而是“哪些业务流程需要语音通信?应由什么 IP 网络和终端承载这些通信?”

铜线退役真正终结的不是电话本身,而是电话服务必须依赖专用铜线对的时代。

贝克通信为从传统电话系统转向 IP 通信的企业提供成熟的语音迁移方案,以及 PBX、SBC 和 IAD 架构。

常见问题

铜线电话线路退役后,所有传统桌面电话都必须更换吗?

不一定。部分传统模拟电话可以通过连接 VoIP 或 IP PBX 系统的 ATA、FXS 网关或 IAD 继续使用。是否保留或更换终端,取决于其设备状态、接口要求、维护成本和所需业务功能。

企业从 PSTN 迁移到 VoIP 时,首先应该检查什么?

第一步是完整盘点电话线路及其连接的设备,包括总机号码、分机、传真机、报警系统、电梯电话、门禁对讲、紧急电话以及其他模拟设备。随后企业可判断哪些终端应直接迁移到 IP,哪些在过渡期间需要通过网关接入。

迁移到 VoIP 是否只需要购买 IP 电话?

不是。完整迁移还可能涉及 SIP 中继、IP PBX 平台、网络质量、号码携转、呼叫路由、模拟设备兼容,以及与现有业务应用的集成。多站点部署或通过公网接入 SIP 时,还可能需要考虑 SBC、安全策略和故障恢复设计。


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