Cisco SPA301 User Manual

Cisco SPA IP Phone Field Reference
SIP Tab
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 260
A
SIP Timer Values (sec)
Parameter Description
SIP T1 RFC 3261 T1 value (RTT estimate) that can range
from 0 to 64 seconds. Defaults to .5 seconds.
SIP T2 RFC 3261 T2 value (maximum retransmit interval
for non-INVITE requests and INVITE responses)
that can range from 0 to 64 seconds. Defaults to 4
seconds.
SIP T4 RFC 3261 T4 value (maximum duration a message
remains in the network) that can range from 0 to
64 seconds. Defaults to 5 seconds.
SIP Timer B INVITE time-out value that can range from 0 to 64
seconds. Defaults to 16 seconds.
SIP Timer F Non-INVITE time-out value that can range from 0
to 64 seconds. Defaults to 16 seconds.
SIP Timer H INVITE final response, time-out value that can
range from 0 to 64 seconds. Defaults to 16
seconds.
SIP Timer D ACK hang-around time that can range from 0 to 64
seconds. Defaults to 16 seconds.
SIP Timer J Non-INVITE response hang-around time that 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.

Cisco SPA301 Specifications

General

Brand	Cisco
Model	SPA301
Category	IP Phone
Language	English