Response Status Code Handling
Description
Parameter
This parameter may be set to invoke failover upon
receiving specified response codes.
Default: Blank
For example, you can enter numeric values 500 or a
combination of numeric values plus wild cards if
multiple values are possible. For the later, you can
use 5?? to represent all SIP Response messages within
the 500 range. If you want to use multiple ranges, you
can add a comma "," to delimit values of 5?? and 6??
Try Backup RSC
Interval to wait before the phone retries registration
after failing during the last registration.
Default: Blank
For example, you can enter numeric values 500 or a
combination of numeric values plus wild cards if
multiple values are possible. For the later, you can
use 5?? to represent all SIP Response messages within
the 500 range. If you want to use multiple ranges, you
can add a comma "," to delimit values of 5?? and 6??
Retry Reg RSC
RTP Parameters
Description
Parameter
Minimum port number for RTP transmission and
reception. Minimum port number for RTP
transmission and reception. Should define a range that
contains at least 10 even number ports (twice the
number of lines); for example, configure RTP port
min to 16384 and RTP port max to 16538.
Default: 16384
RTP Port Min
Maximum port number for RTP transmission and
reception. Should define a range that contains at least
10 even number ports (twice the number of lines); for
example, configure RTP port min to 16384 and RTP
port max to 16538.
The maximum value for the RTP port must be lesser
than 49152.
Default: 16538
RTP Port Max
Packet size in seconds, which can range from 0.01 to
0.13. Valid values must be a multiple of 0.01 seconds.
Default: 0.02
RTP Packet Size
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Cisco IP Phone Troubleshooting
Response Status Code Handling
