什麽是SDP – 會話描述協定?
SDP是會話描述協定的縮寫，是描述流媒體初始化參數的格式，由IETF作爲RFC 4566頒佈。流媒體是指在傳輸過程中看到或聽到的內容。
Easy set up
Have your IT team deploy 3CX in a matter of days or even hours Pre-configured SIP trunks.
Do-it-yourself admin
3CX is so easy to manage your IT team can set up - or delegate to department Admins.
Cut call costs
Break free from expensive multi-year fixed contracts with a flat annual fee - no per user/per month.
Hosted or DIY
We let you choose - Windows or Linux, hosted by 3CX or self-hosted on Amazon, Digital Ocean, Azure or Google.