ISDN Parameters
The ISDN parameters are described in the table below.
ISDN Parameters
Parameter |
Description |
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ign-isdn-disc-w-pi [KeepISDNCallOnDisconnectWithPI] |
Enables the device to ignore ISDN Disconnect messages with Progress Indicator (PI) information element (IE) values 1 or 8.
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pi-4-setup-msg [PIForSetupMsg] |
Defines if and which Progress Indicator (PI) information element (IE) is added to the sent ISDN Setup message. Some ISDN protocols such as NI-2 or Euro ISDN can optionally contain PI = 1 or PI = 3 in the Setup message.
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no-sdp-for-isdn-pi [NoSdpForIsdnPi] |
Defines the value of the Progress Indicator (PI) information element (IE) that if present in the received ISDN Progress message, the device sends SIP 180 messages without an SDP body (for Tel-to-IP calls). The valid value is a bit field, allowing you to specify more than one PI. The default is 0, meaning that SDP is included in the outgoing SIP 180 message, regardless of PI value. |
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'B-channel Negotiation' configure voip > interface e1-t1|bri > b-ch-negotiation [BchannelNegotiation] |
Defines the ISDN B-channel negotiation mode.
Note:
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gw-digital-settings isdn-channel-id-format [ISDNChannelIDFormat] |
Defines the channel number format in the Channel Identification IE when sending Q.931 ISDN messages.
The device’s handling of the Channel Identification format is as follows:
Note: The parameter is applicable only to the NTT ISDN and Euro ISDN protocols. |
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e1-t1 isdn-channel-id-format-for-trunk [ISDNChannelIDFormatForTrunk] |
Defines the channel number format in the Channel Identification IE when sending Q.931 ISDN messages, per Trunk.
For more information, see [ISDNChannelIDFormat]. |
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[PSTNExtendedParams] |
Determines the bit map for special PSTN behavior parameters:
Note: For the parameter to take effect, a device reset is required. |
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BRI Parameters |
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configure voip > interface bri > tei-config-p2p [BriTEIConfigP2P_x] |
Defines the BRI terminal endpoint identifier (TEI) when in point-to-point (P2P) mode. The valid value is 0 to 63, 127. The default is 0.
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configure voip > interface bri > tei-config-p2mp [BriTEIConfigP2MP_x] |
Defines the BRI TEI when in point-to-multipoint (P2MP) mode. The valid value is 0 to 63, 127. The default is 127.
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configure voip > interface bri > tei-assign-trigger [BriTEIAssignTrigger_x] |
Defines when TEI assignment procedure is triggered (when dynamic TEI allocation is configured). The valid values are (bit-field parameter):
The default is 0x04 (Bit #2). Note: The parameter is applicable only to the User side and for dynamic TEI assignment. |
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configure voip > interface bri > tei-remove-trigger [BriTEIRemoveTrigger_x] |
Defines when to clear existing dynamic TEI(s) assignment. The valid values are (bit-field parameter):
The default is 0x00 (no one bit is configured). |
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configure voip > gateway digital settings > trunk-restart-mode-on-powerup [TrunkRestartModeOnPowerUp] |
Defines whether or not the device sends the RESTART message upon power up.
Note: The parameter is applicable only to |