Operation Manual

Configuring the Voice Settings
SIP
Cisco SPA100 Series Administration Guide 52
1
SIP T2 RFC 3261 T2 value (maximum retransmit interval for non-
INVITE requests and INVITE responses), which can range from 0
to 64 seconds.
Default setting: 4
SIP T4 RFC 3261 T4 value (maximum duration a message remains in the
network), which can range from 0 to 64 seconds.
Default setting: 5
SIP Timer B INVITE time-out value, which can range from 0 to 64 seconds.
Default setting: 32
SIP Timer F Non-INVITE time-out value, which can range from 0 to 64
seconds.
Default setting: 16
SIP Timer H H INVITE final response, time-out value, which can range from 0
to 64 seconds.
Default setting: 32
SIP Timer D ACK hang-around time, which can range from 0 to 64 seconds.
Default setting: 32
SIP Timer J Non-INVITE response hang-around time, which can range from 0
to 64 seconds.
Default setting: 32
INVITE Expires INVITE request Expires header value. If you enter 0, the Expires
header is not included in the request. Range: 0–(2
31
1)
Default setting: 240
ReINVITE Expires ReINVITE request Expires header value. If you enter 0, the
Expires header is not included in the request. Range: 0–(2
31
1)
Default setting: 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.
Default setting: 1
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.
Default setting: 7200
Field Description