Application Guide

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DP750/DP720 Administration Guide
Version 1.0.3.37
Use Privacy Header
Adds “Privacy” header if special feature is set to “Default”, and not “CBCOM”.
Use P-Preferred-
Identity Header
Adds “PPI” header if special feature is set to “Default”, and not “CBCOM”.
Ignore Alert-Info
Header
This option is used to configure default ringtone. If set to “Yes”, configured default
ringtone will be played. The default setting is No.
SIP Settings - Session Timer
Session Expiration
Enables periodic refresh of SIP session via a SIP request (UPDATE, or re-INVITE).
When the session interval expires and there is no refresh via an UPDATE or re-
INVITE message, the session will be terminated.
Session Expiration is the time at which the session is considered timed out, if no
successful session refresh transaction occurs beforehand.
Default is 180 seconds.
Min-SE
Defines Minimum session expiration (in seconds).
Default is 90 seconds.
Caller Request
Timer
Uses session timer when making outbound calls if remote party supports it.
Default is No.
Callee Request
Timer
Uses session timer when receiving inbound calls with session timer request.
Default is No.
Force Timer
Uses session timer even if the remote party does not support this feature. Selecting
“No” will enable session timer only when the remote party supports it.
Default is No.
To turn off Session Timer, select “No” for Caller Request Timer, Callee Request
Timer, and Force Timer.
UAC Specify
Refresher
Specifies which end will act as refresher for outgoing calls:
• UAC: The base station acts as the refresher.
• UAS: Callee or proxy server act as the refresher.
Default is Omit
UAS Specify
Refresher
Specifies which end will act as refresher for incoming calls:
• UAS: The base station acts as the refresher.
• UAC: Callee or proxy server act as the refresher.
Default is Omit
Force INVITE
Uses INVITE message to refresh the session timer.
Default is No.