[cisco-voip] isdn busy b_channel 0

[Dockendorf, Dave]

Charles,
The following command will busy-out the b channels, but it will not disconnect until the call terminates.

Start off in global config mode, and change to your D-Channel interface:

                voice_gw(config)# interface Serial0/1:23 (whatever your voice PRI is)

Then, issue your busyout command. Here, I'm placing all my channels out of service:

                voice_gw(config-if)# isdn service b_channel 0-23 state 2 soft

(b_channel=0-23 - This is my range. You can certainly just insert one channel, or a different range.)

                state=2 - 0=InService, 1=Maint, 2=OutOfService

                soft - This means, place them in the defined state, when the channel becomes idle. (in other words, do not disconnnect active channels until they hang up)

                ***if the router resets after you have done this, this will clear to normal operation when the router comes back up.***

Hope this helps!




Dave Dockendorf
Lead Network Engineer - Unified Communication Services
Information Services - Global Production Operations

ECOLAB
655 Lone Oak Drive, ESC E-308-12
Eagan, MN 55121

T  +1 651-795-5105
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dave.dockendorf at ecolab.com<mailto:dave.dockendorf at ecolab.com>
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Charles Goldsmith
Sent: Thursday, July 28, 2011 12:06 PM
To: voip puck
Subject: [cisco-voip] isdn busy b_channel 0

If you have some active calls on an H323 PRI, and you issue "isdn busy b_channel 0", will it drop active calls, or just busy out all unused channels, and then busy out ones that get freed up as people hang up?

I don't want to drop users, but I need to take a PRI out of service to keep more calls from coming into it.

Thanks
Charles


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