> For the complete documentation index, see [llms.txt](https://library.zoom.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://library.zoom.com/technical-library/zh-tw/zoom-workplace/zoom-phone/zoom-phone-bluepaper/overview/bring-your-own-carrier-premises-peering-byoc-p.md).
# 自備電信商 – 機房對等互連（BYOC-P）
作為雲端對等互連的替代方案，Zoom Phone 也支援自備電信業者（BYOC）的地端對等互連（BYOC-P）服務模式，企業可將其內部部署的硬體——具體而言，是連接至電信業者的會話邊界控制器（SBC）——與 Zoom Phone 的雲端 PBX 系統連接。
採用此服務模式時，企業仍可使用 Zoom Phone 雲端 PBX 的功能，例如來電佇列、自動接待員、號碼指派等，而底層的 PSTN 連線則由公司所選擇的供應商負責處理。此服務模式與 Zoom Phone 的雲端對等互連模式（BYOC-C）幾乎相同，不同之處在於，客戶需自行提供並維護其受支援的 SBC，與 Zoom Phone 的資料中心進行對等互連，而非由底層電信業者提供。
#### 在地端對等互連下，服務區域由客戶所選擇的電信服務供應商決定
不同於 Zoom Phone Native 與雲端對等互連服務所包含的一般可提供服務國家與地區清單，地端對等互連的服務區域是由客戶所選擇的電信服務供應商決定。建議企業與其所選電信供應商確認，以確保其涵蓋範圍能符合企業需求。
#### Zoom Phone 地端對等互連網路設計
Zoom Phone 地端對等互連網路設計圖。
{% hint style="info" %}
**附註**
Zoom Phone 端點始終會主動向 Zoom 資料中心建立連線；然而，BYOC-P SBC 需要雙向連線。若您對連接埠連線能力與範圍有任何問題，請聯絡您的 Zoom 技術客戶團隊，以取得更多有關連線選項的資訊。
{% endhint %}
---
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