We are seeing and will continue to see for the next 10 years the development of trunk side IP and it's going to be exciting. Reading an excellent presentation forwarded to me from Darryl Sladden, ...

Are they a transitional technology? And if so, how long will that transition take? There's a bit of a debate brewing on No Jitter about the role of SIP Trunks in the network of the future. The latest ...

こんにちは、CCアーキテクトの辻です。3CX Advanced Certificationを取得するために、3CXサイトの記事を機械翻訳し日本語にしてから勉強しました。その時のメモなどをNoteにまとめていきます（こちらはメモページなのでオリジナルページ内コンテンツの視聴も ...

Just what is SIP trunking? Let’s take it one part at a time. SIP refers to Session Initiation Protocol, the standard developed in the 1990s by the Internet Engineering Task Force that is used to set ...

IP電話では，IP網を使って相手の端末を呼び出すIP向けの呼制御手順が重要となる。代表的な呼制御プロトコルはH.323とSIPである。また，電話番号とIP用呼制御プロトコルを結びつけるENUMと呼ぶしくみも話題を集めている。今回は，これらの最新技術を解説 ...

会員（無料）になると、いいね！でマイページに保存できます。 共有する 沖電気、中小規模オフィス向けにIPテレフォニー対応のIP-PBX「IPstage EX300 リリース2.0」を発売。各種SIP端末の直収が可能。 沖電気は、各種SIP端末の直収を可能とした中小規模オフィス ...

So our phone system people are trying to setup a SIP trunk on our Mitel 3300 unit. I open up firewall ports and setup 1:1 NAT for the PBX's IP, everything looks like it should be OK. They are telling ...

Comcast Business today announced the availability of Comcast Business SIP trunks throughout its entire service area, covering 39 states and 20 of the nation’s top 25 markets. Session Initiation ...

Two announcements in the news today from Digium: the company has expanded its cloud offering to include IP trunks and, in separate news, announced the release of Asterisk 13 with hundreds of new ...