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Figure 672 Configuring advanced settings
Table 251 Configuration items
Item Description
Re-registration Interval
Set the interval for the local number or SIP trunk account to re-register with the
registrar after a registration failure.
Registration Expiration
Time
Set the registration expiration time. A local number or an SIP trunk account
expires after it has registered with the registrar for a specified period of time,
which is the registration expiration interval.
Registration Percentage To ensure the validity of registration information of a local number or an SIP
trunk account on the registrar, the local number or SIP trunk account must
re-register with the registrar at a specified time before the registration expiration
interval is reached. You can set the registration percentage or lead time before
registration to set the time when the local number or SIP trunk account
re-registers with the registrar.
• Time is registration expiration interval multiplied by expiration percentage.
When the time is reached, the local number or SIP trunk account
re-registers with the registrar.
• Time is registration expiration interval minus lead time before expiration.
When the time is reached, the local number or SIP trunk account
re-registers with the registrar.
You can configure both timers. In this case, the actual re-registration time is
decided by the timer that expires first. In other words, the local number or SIP
trunk account tries to re-register with the registrar when any one of the two
timers expires.
Lead Time Before
Registration
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