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Value Range
0–1600 ms
SIP Called Party Number Check Ability
Specifies whether to receive a SIP trunk call when receiving the INVITE message with an incorrect target
SIP-URI. The setting specified here is also applied when the request header is blank or contains characters
that cannot be modified to a receivable number.
Value Range
Disable (High->Low), Disable (Low->High), Enable
Symmetric Response Routing Ability
Enables this feature to request that the SIP server sends the response back to the source IP address and port
from which the request originated.
Value Range
Disable, Enable
100rel Ability
Specifies whether to add the option tag 100rel to the header field of the INVITE message.
Value Range
Disable: This feature is not activated.
Enable (Active): Activates this feature only if the other device supports the feature.
Enable (Passive): Activates this feature only when requested by the other device.
Ringback Tone to Outside Caller
Enables the PBX to send a ringback tone to an outside caller when the network cannot send the tone.
Value Range
Disable, Enable
SIP QoS Ability
Specifies the type of value to be stored in the ToS field in the IP header.
Value Range
ToS, DSCP, HEX
SIP QoS-ToS Priority
Specifies the priority level in the ToS field when "ToS" is selected in
Value Range
0–7
9.8 PBX Configuration—[1-1] Configuration—Slot—V-SIPGW—Shelf Property
SIP QoS Ability.
PC Programming Manual
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