D-Link DVX-2002F, Руководство пользователя

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DVX IPPBX
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External Refresh(sec) : The refresh interval of the “External Host”.
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Local Network Address : Your local network address/addresses.
Notice :
If you have one-way audio or no audio issue on the remote extensions then this most probably means that NAT
support is not properly configured. Please check your configurations here.
Type of Service
Asterisk supports different QoS settings at the application level for various protocols on both
signaling and media. The Type of Service (TOS) byte can be set on outgoing IP packets for various
protocols. The TOS byte is used by the network to provide some level of Quality of Service (QoS)
even if the network is congested with other traffic.

TOS for Signaling Packets : Sets TOS for SIP packets.
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TOS for RTP audio packets : Sets TOS for RTP audio packets.
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TOS for RTP video packets : Sets TOS for RTP video packets.
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COS Priority for Signaling packets :Sets 802.1p priority for SIP packets.
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COS Priority for RTP audio packets :Sets 802.1p priority for RTP audio packets.
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COS Priority for RTP video packets : Sets 802.1p priority for RTP video packets.
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DNS SRV Look Up : Enable DNS SRV lookups on outbound calls.
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Relax DTMF : Relax DTMF handling.
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RTP TimeOut(sec) :Terminate call if there is 60 seconds of no RTP or RTCP activityon the
audio channelwhen we're not on hold. This feature enables the ability tohangupa call in the
case of a phone disappearing from the network, for instanceif the phone loses power.
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RTP Hold TimeOut(sec) : Terminate call if 300 seconds of no RTP or RTCP activity on the audio
channelwhen on hold.
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Add ‘user=phone’ to URI : Enable this option if the SIP provider requires ";user=phone" on
URI.
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UserAgent : Allows you to change the user agent string. The default user agent string also
contains the Asteriskversion. If you don't want to expose this, change theuseragent string
here.