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VoIP (Suite) (Asterisk (Features (Call management, Traditional features…
VoIP (Suite)
Asterisk
Open Source I/PBX
Supports several codes (G.721/722/729...)
Provides transoding between codecs
Supports analog circuits (DAHDI)
communication between asterisk and hardware cards
Features
Call management
Traditional features (hold, transfer, ...)
Voicemail
Conference room
MoH (music on hold)
IVR (Interactive Voice Response)
Call parking
Fax detection
Architectures
Deported IPBX
Local IPBX
Public IPBX
Voice quality
MOS (Mean Opinion Score)
Scale 1 to 5
usually defined for lossless and delayless codecs
not good for VoIP
