[cisco-voip] Busy out channels on an mgcp gateway

[Ryan Ratliff]

Those will work but require the gateway be reset to take affect.

-Ryan

On Dec 21, 2005, at 9:55 AM, Lelio Fulgenzi wrote:

I've heard people use the following service parameter to do what you  
are asking. There are five of them available I think.


Change B-Channel Maintenance Status 1 :This parameter allows Cisco  
CallManager to change individual B-Channel maintenance status for PRI  
interface 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. The last  
one specifies the D-Channel, which does not get affected. In this  
example, 5th-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 D-Channel. The  
last bit does not affect any channel. In this example, 25th-31st  
channels are marked out of service).
Explanation:
The DEVICE NAME MUST exactly match the gateway name on the top of the  
gateway configuration web page. Copy and paste that field into this  
service parameter to avoid any manual inputting mistake. Ensure '='  
is mandatory and unique to distinguish the DEVICE NAME and BCHANNEL  
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).
The system treats any other value as invalid and the value does not  
take effect. 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.
To use this feature, the "Enable Status Poll" flag on the gateway  
configuration page must be checked and updated, then the gateway must  
be reset for the first time.After this, changing service parameter  
will take effect without resetting the gateway.
Maximum length: 255.
------------------------------------------------------------------------ 
--------
Lelio Fulgenzi, B.A.
Network Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
"I had a coffee and Coke at lunch today...and now, I've got more  
jitter than an
IP phone on a long haul 10base2  
connection"                                           LFJ
----- Original Message -----
From: Ruttman, Peter G.
To: cisco-voip at puck.nether.net
Sent: Wednesday, December 21, 2005 9:43 AM
Subject: [cisco-voip] Busy out channels on an mgcp gateway

I need to reset an mgcp gateway PRI that has inbound DIDs associated  
with it.  Is it possible to busy out the channels on it so that new  
calls do not get pinned up on it?  Then I can safely reset the  
gateway during work hours.

Pete


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