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iPBX30 User Manual
registered in LAN environment. It can be a C-class or B-Class
mask.
• Max. registration expire time
This value defines the maximum allowable expiry time for client
registration. The SIP client notifies the server its registration
expiry time when registration is in progress.
• Default registration expire time
The server uses this expiry time as default value if any client
registered without expire time value attached.
• Start RTP port/ End RTP port
The user can assign the starting RTP port number and End
RTP port number for VoIP service to define the iPBX30 VoIP
RTP port usage range.
• SIP port
The 5060 port is commonly used for SIP call signaling. The user
can change it if necessary.
• DTMF mode
Users can select one of the three available DTMF transmission
methods: Inband, RFC2833, and Info.
Note: We recommend "Info" mode for normal use.
SIP client and server side should use the same
DTMF mode.
• Log Level
This option allows the user to determine how detailed the log
message would be in the log file.
Chapter 12
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