Cisco SPA942 - - IP Phone Administration Manual page 208

SPA and Wireless IP Phone Field Reference
SIP Tab
Cisco SPA and Wireless IP Phone Administration Guide
Parameter
SIP T4
SIP Timer B
SIP Timer F
SIP Timer H
SIP Timer D
SIP Timer J
INVITE Expires
ReINVITE Expires
Reg Min Expires
Reg Max Expires
Reg Retry Intvl (See note
below)
Description
RFC 3261 T4 value (maximum duration a message
remains in the network), which can range from 0 to 64
seconds. Defaults to 5 seconds.
INVITE time-out value, which can range from 0 to 64
seconds. Defaults to 16 seconds.
Non-INVITE time-out value, which can range from 0 to
64 seconds.Defaults to 16 seconds.
INVITE final response, time-out value, which can range
from 0 to 64 seconds.Defaults to 16 seconds.
ACK hang-around time, which can range from 0 to 64
seconds. Defaults to 16 seconds.
Non-INVITE response hang-around time, which can
range from 0 to 64 seconds. Defaults to 16 seconds.
INVITE request Expires header value. If you enter 0, the
Expires header is not included in the request. Ranges
from 0 to 19999999999999999999999999999999.
Defaults to 240 seconds.
ReINVITE request Expires header value. If you enter 0,
the Expires header is not included in the request.
Ranges from 0 to
19999999999999999999999999999999.
Defaults to 30
Minimum registration expiration time allowed from the
proxy in the Expires header or as a Contact header
parameter. If the proxy returns a value less than this
setting, the minimum value is used.
Defaults to 1 second.
Maximum registration expiration time allowed from the
proxy in the Min-Expires header. If the value is larger
than this setting, the maximum value is used.
Defaults to 7200.
Interval to wait before the SPA9000 retries registration
after failing during the last registration.
Defaults to 30.
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