SPA and Wireless IP Phone Field Reference
SIP Tab
Cisco SPA500 Series and WIP310 IP Phone Administration Guide
194
B
SIP T4
RFC 3261 T4 value (maximum duration a message
remains in the network), which can range from 0 to 64
seconds. Defaults to 5 seconds.
SIP Timer B
INVITE time-out value, which can range from 0 to 64
seconds. Defaults to 16 seconds.
SIP Timer F
Non-INVITE time-out value, which can range from 0 to
64 seconds.Defaults to 16 seconds.
SIP Timer H
INVITE final response, time-out value, which can range
from 0 to 64 seconds.Defaults to 16 seconds.
SIP Timer D
ACK hang-around time, which can range from 0 to 64
seconds. Defaults to 16 seconds.
SIP Timer J
Non-INVITE response hang-around time, which can
range from 0 to 64 seconds. Defaults to 16 seconds.
INVITE Expires
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 Expires
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
Reg Min Expires
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.
Reg Max Expires
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.
Reg Retry Intvl (See note
below)
Interval to wait before the IP phone retries registration
after failing during the last registration.
Defaults to 30.
Parameter
Description