Cisco SPA301 User Manual

Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 123
4
Configuring SIP Timer Values
All SIP timer values are in seconds. To configure SIP timer values, navigate to
Admin Login > advanced > Voice > SIP. Under SIP Timer Values (sec), make these
changes:
Dialog SDP
Enable
When enabled and the Notify message body is too big
causing fragmentation, the Notify message xml dialog is
simplified; Session Description Protocol (SDP) is not
included in the dialog xml content.
Display
Diversion Info
Parses Diversion Header information in an incoming SIP
Invite and displays it as the Caller ID.
Parameter Description
Parameter Description
SIP T1 RFC-3261 T1 value (RTT estimate). Ranges from 0 to 64
seconds. Defaults to .5 seconds.
SIP T2 RFC-3261 T2 value, the maximum retransmit interval for
non-INVITE requests and INVITE responses. Ranges from 0
to 64 seconds. Defaults to 4 seconds.
SIP T4 RFC-3261 T4 value, which is the maximum duration a
message remains in the network. Ranges from 0 to 64
seconds. Defaults to 5 seconds.
SIP Timer B RFC-3261 INVITE transaction time-out value. Ranges from 0
to 64 seconds. Defaults to 16 seconds.
SIP Timer F RFC-3261 Non-INVITE transaction time-out value. Ranges
from 0 to 64 seconds. Defaults to 16 seconds.
SIP Timer H RFC-3261 INVITE final response time-out value for ACK
receipt. Ranges from 0 to 64 seconds. Defaults to 16
seconds.
SIP Timer D RFC-3261 wait time for response retransmits. Ranges from
0 to 64 seconds. Defaults to 16 seconds.
SIP Timer J RFC-3261 Wait time for Non-INVITE request retransmits.
Ranges from 0 to 64 seconds. Defaults to 16 seconds.

Cisco SPA301 Specifications

General

Brand	Cisco
Model	SPA301
Category	IP Phone
Language	English