Sekilas VoIP

VoIP – Voice over Internet Protocol

Tulisan ini diambil dari :

http://www.voiprakyat.or.id dengan nomor voip 20001 (Anton Raharja) email : anton@ngoprek.org. Teknologi yang memanfaatkan Internet Protocol untuk menyediakan komunikasi voice secara elektronis dan real-time.

• is a method for taking analog audio signals, like the kind you hear when you talk on the phone, and turning them into digital data that can be transmitted over the Internet (HowStuffWorks.com)
• is the routing of voice conversations over the Internet or through any other IP-based network (en.wikipedia.com)
• is an acronym for Voice Over IP, or in more common terms phone service over the Internet (voip-info.org)

 
Jaringan VoIP

Layanan IP Telephony

Seluruh layanan telepon konvensional ditambah dengan :

• Voicemail
• Instant Messaging
• Presence
• Video Conference
• Webbased Control Panel
• Melihat tagihan (billing)
• Melihat CDR (Call Data Record)
• Konfigurasi pribadi (profiling)

Komponen VoIP

• User Agent
• Softphone
• Idefisk, SJphone, X-Lite, Netmeeting
• Hardphone
• IP Phone, USB Phone, ATA, ITG
• Proxy
• Softswitch
• Asterisk, OpenSER, SER, Yate, Gnugk
• Protocol
• Collections
• IAX2, H.323
• Signalling Protocol
• SIP
• Media Transfer Protocol
• RTP
• Compressions, optimizations
• cRTP, LFI, ROHC
• CODEC (Coder-Decoder)
• Standar industri
• G.711, G.723.1, G.729
• Open Source
• GSM 06.10, iLBC, Speex

tulisan lengkap bisa didownload disini materi voip fundamental