Frequently asked questions常见问题
Answers to the questions we hear most about services, coverage, concurrency and getting started.针对服务、覆盖、并发与接入等常见问题的解答。
What is TeleSiLink?TeleSiLink 是什么？
TeleSiLink is a global cloud communications service provider. It offers SIP trunking, voice relay and termination, A2P enterprise SMS, proxy IP connectivity and the Yangfan softphone app. TeleSiLink services are operated on the Shanhai Platform.TeleSiLink 是一家全球云通信服务商，提供 SIP 中继、语音中继与终结、A2P 企业短信、代理 IP 连接以及扬帆软电话。其服务运行于山海平台之上。
What services does TeleSiLink provide?TeleSiLink 提供哪些服务？
TeleSiLink provides six core services: SIP trunking, voice relay and termination, A2P enterprise SMS, proxy IP and tunnel connectivity, the Yangfan softphone application, and supply-demand matching. Route, line and concurrency management is included on the platform.TeleSiLink 提供六项核心服务：SIP 中继、语音中继与终结、A2P 企业短信、代理 IP 与隧道连接、扬帆软电话应用，以及供需对接。平台内置线路、路由与并发管理。
Which regions does TeleSiLink cover?TeleSiLink 覆盖哪些地区？
TeleSiLink is built for global business connectivity. It supports region-prefixed sites and routes to supported destinations, with coverage that expands as capacity is added to the supply-demand matching workbench.TeleSiLink 面向全球业务连接，支持地区前缀站点与通往受支持目的地的路由；随着供需对接工作台新增容量，覆盖范围持续扩展。
How is call concurrency controlled?通话并发如何控制？
Every SIP trunk and route can be assigned a concurrency limit. The platform enforces the limit in real time, so you can size capacity per trunk and scale it as traffic grows.每条 SIP 中继与线路都可设置并发上限，平台实时执行该上限，便于按中继规划容量并随业务增长扩展。
How do API requests authenticate?API 请求如何鉴权？
Platform APIs are authenticated with per-account credentials and signed requests using HMAC-SHA256, which protects message integrity and prevents tampering in transit.平台 API 使用按账号下发的凭据，并以 HMAC-SHA256 对请求签名，保障消息完整性、防止传输中被篡改。
How do I get started with TeleSiLink?如何接入 TeleSiLink？
Contact the TeleSiLink sales team with your destination and volume requirements. After account setup you receive API credentials, then configure trunks, routes and concurrency limits and go live.请联系 TeleSiLink 销售团队，说明目的地与业务量需求。账号开通后即可获得 API 凭据，随后配置中继、线路与并发上限并上线。
Still have questions?还有其他问题？
Message us on Telegram and we will answer questions about routing, capacity and onboarding.在 Telegram 上联系我们，我们将解答关于路由、容量与接入的问题。