SIP trunking connects your PBX phone system to the cloud for internet-based calling. This benefits your business by lowering ...

Many offices use VoIP technology to create a unified communications system for the office that makes it easy for teams to communicate with customers and among themselves. SIP and VoIP are two ...

The GXP2130 offers dedicated landline and SIP functionality, working with all the features you'd expect to come with a good VoIP phone. GXP2130's eight speed dial keys make it quick and easy to ...

SIP（Session Initiation Protocol）是一套用于创建、修改、终止IP会话的信令协议，这些IP会话包括通过IP网络进行的多媒体会议等。 (1) SIP的功能 名字翻译 ...