MOSA 4600 Plus是一套完整的网络交换机 (IP PBX)，他不但保留了传统的模拟外线、模拟分机；同时也整合了网络电话中的SIP外线及SIP分机，透过堆栈或连网，最高可扩充至600个据点，五万多支分机。 透过MOSA 4600 Plus的SIP外线可以注册至IP电信营运商，让所有分机可以 ...

Cisco SIP based phones have SIP extensions that use the SIP protocol for Cisco proprietary operations like registering a Cisco SIP phone by MAC Address. This blog will take a high level look at ...

Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you're buying the best. Find out more about how we test. Grandstream Networks has been ...

IP audio and control specialist Barix now supports Crestron Rava SIP intercom and phone technology. The Barix SIP firmware will simplify integration of Rava-enabled touch screens with analog devices, ...

RTP 的 IP 地址，仅支持 IP 地址而不支持域名。虽然 RTP 标准说应该域名，但实际情况是域名解析有时不可靠。 SIP 的 IP。不支持域名。 UA 进行 hold 状态时默认播放的音乐。 使用哪个 NAT ACL。 扩展 INFO 解析支持。 NAT穿越，检测 SIP 消息中的 IP 地址与实际的 IP 地址 ...

While most open-source projects are applications and utilities intended for single users, we did something different. We created an infrastructure project: a Voice-over-IP (VoIP) phone system that ...

Appliances from Allworx, Critical Links, Fonality, Microsoft, and Sutus all combine sophisticated features and low cost; they differ in breadth and complexity, with Fonality’s Asterisk-based PBXtra ...

Affordable and offering great audio quality, Cisco's range of IP phones make fantastic all-round choices for businesses. Why you can trust TechRadar We spend hours testing every product or service we ...