Distribution of the VoIP channels
Channel reserved for voice mail/fax
Number of channels to be used for voice mail/fax and not for VoIP.
Further help under VoIP telephonyExternal VoIP channels
Number of VoIP channels to be used only as external VoIP channels.
Further help under VoIP telephonyInternal VoIP channels
Number of VoIP channels to be used only as internal VoIP channels.
Further help under VoIP telephonyAvailable VoIP channels for dynamic assignment
Number of VoIP channels to be used as internal or external VoIP channels depending on the need.
Further help under VoIP telephony