2.5.4 VoIP Settings
Minimum RTP Port Number
Description
Value Range
Default Value
Maximum RTP Port Number
Description
Value Range
Default Value
Telephone-event Payload Type
Description
Value Range
106
Administrator Guide
Specifies the lowest port number that the SIP-CS will use for RTP
packets.
Note
•
The available channel number varies depending on the type of
the SIP-CS being used.
1024–45150 (even number only)
Note
•
The value for this setting must be less than or equal to
"[Maximum RTP Port Number] - 4000".
•
Changing this setting may affect the number of simultaneous
calls that can be made. Therefore, when setting this parameter,
be aware that the maximum number of necessary ports can be
calculated as shown below:
No. of lines ´ No. of channels ´ 2 ´ 1 (No. of terminals)
16000
Specifies the highest port number that the SIP-CS will use for RTP
packets.
Note
•
The available channel number varies depending on the type of
the SIP-CS being used.
5024–49150 (even number only)
Note
•
The value for this setting must be greater than or equal to
"[Minimum RTP Port Number] + 4000".
•
Changing this setting may affect the number of simultaneous
calls that can be made. Therefore, when setting this parameter,
be aware that the maximum number of necessary ports can be
calculated as shown below:
No. of lines ´ No. of channels ´ 2 ´ 1 (No. of terminals)
29000
Specifies the RFC 2833 payload type for DTMF tones.
Note
•
This setting is available only when [DTMF Type] is set to
[Outband].
96–127
Document Version 2013-03