IPitomy IP550 User Manual Ver.1 - Manual (Page 38)

IPitomy Confidential 33
Chapter 6 Chapter 6 Chapter 6 Chapter 6
SIP SIP SIP SIP- - - -Related Related Related Related Settings Settings Settings Settings
This Chapter explains when and how to use the IP Phone's "VOIP" feature.
Global SIP Screen
The page allows you to set up SIP parameters that apply to all four lines.
Advanced SIP Settings
Explicit MWI Subscrip-
tion Enable/Disable the subscription of message waiting.
Explicit MWI Subscrip-
tion Period Specify the period of re-subscribe for the message waiting.
Session Timer The session timer defined in "draft-sip-session-timer"
T1 Timer The T1 timer defined in RFC 3261
T2 Timer The T2 timer defined in RFC 3261
Transaction Timer The T4 timer defined in RFC 3261
Transport Protocol UDP or TCP can be selected, UDP recommended.
Registration Failed
Retry Timer The timer to retry registration when several tries have failed
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