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

[Lelio Fulgenzi]

so much for the graceful option, eh? ;)

--------------------------------------------------------------------------------
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: Ryan Ratliff 
  To: Lelio Fulgenzi 
  Cc: Ruttman, Peter G. ; cisco-voip at puck.nether.net 
  Sent: Wednesday, December 21, 2005 10:23 AM
  Subject: Re: [cisco-voip] Busy out channels on an mgcp gateway


  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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