[cisco-voip] What is command to disable (busy out) b-channel on T1 PRI?

[Ted Nugent]

It's an advanced CM Service Param. It's only needed if
the telco is sending top-down (ascending-starting at 1
going up) which would require you to send bottom-up.
(decending-starting at 23 going down)

Change B-Channel Maintenance Status 1 : This parameter
allows Cisco CallManager to change individual
B-Channel maintenance status for PRI and CAS
interfaces in real time for troubleshooting. Input
Format:
Device Name = B-channel Maintenance Status
Example:
S0/DS1-0 at SDA123456789ABC = 0000 1111 0000 0000 0000
0001 (24 bits for T1. Channel number begins with 1 to
24 from left to right. In the case of PRI, the last
bit specifies the D-Channel, which does not get
affected. In this example, the 5th through 8th
B-Channels are out of service.)
or,
S1/DS1-0 at DLS2-CM136-VG200-2.SELSIUSCMLAB.CISCO.COM =
0000 0000 0000 0000 0000 0000 1111 1111 (32 bits for
E1. B-Channel number begins with 1 to 32 from left to
right. The 16th channel specifies the D-Channel. The
last bit does not affect any channel. In this example,
the 25th through 31st channels are marked out of
service.)
Explanation:
The Device Name as specified in the Gateway
Configuration page in Cisco CallManager Administration
MUST exactly match the gateway name that this field
specifies. To avoid any manual inputting mistake, copy
the Device Name from Cisco CallManager Administration
and paste it into this service parameter. "=" is
mandatory and unique to distinguish the Device Name
and B-Channel Maintenance Status fields. BCHANNEL
MAINTENANCE STATUS = xxxx xxxx xxxx xxxx xxxx xxxx
xxxx xxxx 
Where x can be: 
0 -- In service 
1 -- Graceful out of service (Change channel status
until active call ends if an active call exists on
that channel.) 
2 -- Forceful out of service (Tear down active call
first; then, change channel status immediately if an
active call exists on that channel.)
Because values other than 0,1, or 2 are invalid, the
system ignores them. Make sure that the total number
of 'x' is either 24 for T1 or 32 for E1. Any other
invalid length or mismatch (for example, 24 for E1)
gets treated as error, and no action gets taken for
that device. 
SPACE: Optional.
The spaces between device name and "=", between '='
and BCHANNEL MAINTENANCE STATUS, and between x and x,
are all optional. You cannot use any space inside the
DEVICE NAME field. 
PRI Specific:
To use this feature, the Enable status poll check box
must be checked on the PRI Gateway Configuration
window. If it is not, you need to check the check box,
click Update, and reset the gateway for the service
parameter change to take effect.

Maximum length: 255.
 

--- "Jason Aarons (US)" <jason.aarons at us.didata.com>
wrote:

> What is command to disable (busy out) a single
> b-channel on PRI? Show
> isdn service shows all in-service, I need to take a
> channel out of
> service -jason
> 
> 
> 
> 
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