Telephony Settings; General Voip Settings - Gigaset N670 IP PRO Installation, Configuration And Operation

Telephony settings

Telephony settings

General VoIP settings

This page allows you to make some general settings for the VoIP connections.
It is only available for the user role admin.
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Settings Telephony
SIP port
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Enter the SIP port used for VoIP connections.
Range: 1-65535; Default: 5060
Secure SIP port
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Enter the SIP port used for secure VoIP connections (TLS).
Range: 1-65535; Default: 5061
SIP timer T1
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Enter the estimated round trip time of an IP packet between a SIP client and a SIP server (the
time it takes between sending out the request to the point of getting a response).
Default: 500 ms
SIP session timer
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Defines a session expiry interval: If the session isn't refreshed within the interval, the session
is released. Session refresh is started after half of the interval by a re-INVITE message, which
the peer side has to confirm to get the session refreshed.
Values: max. 4 digits, min. 90 sec; Default: 1800 sec
Failed registation retry timer
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Specify after how many seconds the phone should attempt to re-register when the initial
registration has failed.
Values: max. 4 digits, min. 10 sec; Default: 300 sec
Subscription timer
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Defines the expiration time (in seconds) of a subscription. In order to keep subscriptions
effective, subscribers need to refresh subscriptions on a periodic basis.
Default: 1800 s
PRACK
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(Provisional Response Acknowledgement) SIP provisional responses do not have an
acknowledgement system so they are not reliable. The PRACK method guarantees a reliable
and ordered delivery of provisional responses in SIP.
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VoIP