[cisco-voip] Call Park Issue due to subscriber failing

[Wes Sisk]

James,

H323 is a bit of a special case.  It is a peer to peer protocol and  
does not include any registration process unless you're using a  
gatekeeper.

For h323 the call park number would be selected from the node that  
received the h225 SETUP message from the h323 gateway.  place an  
inbound call, telnet to the gateway and look at 'sh call active  
voice' and check the call signal address.  this will tell you which  
CM is processing the call.  make sure the dial-peers have the  
appropriate preference statements and very connectivity to port 1720  
of the callmanager server (telnet from router to CM ip at port 1720.  
you will be should be disconnected pretty quickly as you're not  
presenting valid h225 data, but should be adequate to verify TCP:1720  
connectivity to your 1st preference CM server.

just to clarify - if 1 party calls another party at that remote site  
directly (internal 4/6/7 digit dial) and parks the call, does the  
call park correctly and in the range that you expect?

/Wes

On Feb 2, 2006, at 1:37 PM, James Dust wrote:

Hi Wes,

We have still got a branch office that has this issue, I have reset  
the H323 gateway as you stated but when a call is parked in the  
office it either picks the 1st call park number from the subscriber  
the phone is subscribed to or the 1st park number configured for the  
branch on the publisher?

Any further ideas?

Rgds.

James

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip- 
bounces at puck.nether.net] On Behalf Of Wes Sisk
Sent: 02 February 2006 01:51
To: Nick Kassel
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Call Park Issue due to subscriber failing

Call Park numbers are per server and the server that is used is the  
server that the call originated on.  So in the case:

PSTN--(PRI)--MGCPGw--(MGCP)--CM1--(SDL)--CM2--IPPhone

When the IPPhone presses PARK, a park number from the CM1 block of  
park numbers is allocated.

When your ipphones re-registered back to CM2, did your MGCP gateway  
rehome back to CM2 as well?

/Wes

On Feb 1, 2006, at 6:57 AM, Nick Kassel wrote:

Yesterday evening we had a hardware failure with one of our  
subscribers, this particular sub has all of our remote sites  
registered to it, it was down for about 5 hours and in the mean time  
we had all phones working off another subscriber, once we had the  
subscriber back up and running, all appeared to be fine. But we now  
have an issue with call park, each site has call park numbers  
associated to each call manager and if they park a call they get a  
call park number but this does not appear on the display for a few  
seconds and they are unable to retrieve that call by dialling the  
park number they get the call can not be completed prompt. Any one  
come across this before?








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