[cisco-voip] Antwort: Re: H323 Enhanced Call Preservation andMedia Inactivity Detection

[Hans-Peter Walter]

I had the same problem, and after adding...

voice service voip 
 h323 
 no h225 timeout keepalive 

...I can switch between SRST and CCM without interruptions of calls.
There was no need to change any parameters in CCM for my environment.

HTH,
Hans-Peter






"Jason Aarons (US)" <jason.aarons at us.didata.com> 
Gesendet von: cisco-voip-bounces at puck.nether.net
19.05.2007 00:23

An
"Brian Henry" <Brian.Henry at apptis.com>, "Robert Kulagowski" 
<bob at smalltime.com>, <cisco-voip at puck.nether.net>
Kopie

Thema
Re: [cisco-voip] H323 Enhanced Call Preservation        andMedia 
Inactivity Detection






I’m not sure what service parameter you are referring to  -jason
 
From: cisco-voip-bounces at puck.nether.net 
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Brian Henry
Sent: Friday, May 18, 2007 4:04 PM
To: Robert Kulagowski; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] H323 Enhanced Call Preservation andMedia 
Inactivity Detection
 
Remember to also change you service parameter in CCM to allow the call 
preservation as well.
 

From: cisco-voip-bounces at puck.nether.net on behalf of Robert Kulagowski
Sent: Fri 5/18/2007 3:23 PM
To: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] H323 Enhanced Call Preservation and Media 
Inactivity Detection
Jason Aarons (US) wrote:
> I shutdown (start/shutdown, maybe I should have just pulled the NIC?) my
> subscriber with my phone showed Active Registered, my CP-7941G-GE
> running 8.2(2)SR1S dropped the call, phone shows CM Down, features
> disabled, then registered with publisher. Test was not the desired
> results!
>
> voice service voip
>  allow-connections h323 to h323
>  h323
>   call preserve
>
> IOS is 12.4(11)T2

Well, because we're single threaded over the WAN, our situation is that
we lose connectivity to _all_ CMs, not just one.

Did you try pulling your "WAN" connection instead of shutting down a CM?

We use:

voice service voip
  fax protocol pass-through g711ulaw
  h323
   call preserve limit-media-detection
  modem passthrough nse codec g711ulaw
!
!
voice class codec 1
  codec preference 1 g711ulaw
  codec preference 2 g729r8
!
!
!
voice class h323 1
  h225 timeout tcp establish 5
   call preserve

works on 2851 / 12.4.9(T)
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