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SPID timer: 30 seconds
SPID resend: 1 times
isdn bch-local-manage
Syntax isdn bch-local-manage [ exclusive ]
undo isdn bch-local-manage
View ISDN interface view
Parameter exclusive: Exclusive local management mode for ISDN B channels. When the B
channel indicated by the exchange is inconsistent with the one required by the
local end, call failure occurs.
Description Use the
isdn bch-local-manage command to enable local ISDN B channel
management.
Use the
undo isdn bch-local-manage command to disable the setting.
By default, the local ISDN B channel management is not enabled but is in the
charge of ISDN switch.
It is very important to put appropriate control on the B channels used for calls in
process, especially in the PRI mode. Proper channel management can improve call
efficiency and reduce call loss. Normally, the centralized B channel management
provided by exchanges can work well. For this reason, you are recommended to
adopt the management function provided by exchanges in most cases, despite the
ISDN module can provide the channel management function as well.
Configured with isdn bch-local-manage command, the router operates in local
B-channel management mode to select available B channels for calls. Despite this,
the connected exchange has higher priority in B channel selection. If the B channel
Table 98 Description on the fields of the display isdn spid interface command
Field Description
SPID Type SPID Type, which can be NIT, STATIC (having only the L3 initialization
process), or AUTO (including both the negotiation and the L3
initialization)
SPID B1 SPID value of the BRI interface B1 channel.
SPID Num SPID value of the BRI interface. It can be a static configuration or the
result of a dynamic negotiation, all depending on the specified SPID
Type.
Neg State Negotiation state of the SPID, which can be SPID_UNASSIGNED,
ASSIGN_AWAITING_SPID, SPID_ASSIGNED,
ASSIGN_AWAITING_CALL_CLEAR.
Init State Initialization state of the SPID, which can be INIT_NULL, INIT_IND,
INIT_PROCEEDING, INIT_END, INIT_AWAITING_CALL_CLEAR.
SPID B2 SPID value of the BRI interface B2 channel.
SPID timer Duration of the timer TSPID
SPID resend SPID message retransmission times