[cisco-voip] Anyone famliar with GUIDs in CallManager/VXML?

[Wes Sisk]

Jason,

Can you elaborate a bit more?

My initial interpretation of your post reminds me of a commonly 
discussed feature for Cisco UC called "global call id's".  The idea 
there is to generate a single GUID to track a call through all products 
and features.  This requires passing the GUID in signaling (h323, SIP, 
SCCP, MGCP).  The concept garners significant interest.  Implementation 
complexity has been prohibitive so far.

This suggests a possibility - the "GUID" referenced may be the h.323 
GUID assigned per-call when h.323 is used.  CVP may have exposed that in 
original H.323 integrations. SIP does not have a GUID concept AFAIK - we 
ran into this with Analysis Manager (see below).  So if you are using 
SIP integration there would be no h.323 GUID.  Unless someone took 
special steps to translate something from signaling into a GUID there 
would be no SIP GUID per say.


The closest that exists today is Analysis Manager:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/service/8_0_1/rtmt/ch1_overview.html 

This pulls CDRs from CUCM, IPCC, Unity?, and IOS? and uses unique 
attributes of signaling (tcp port numbers, h323 guids, sccp call ref 
numbers, SIP call ref numbers, ...). I'm not clear of the products 
covered in the current release.  All of those were in the original 
feature discussion.

Regards,
Wes

On 5/6/2011 10:42 AM, Jason Aarons (AM) wrote:
>
> From a co-worker doing some UCCE work “I’m not getting GUID on any of 
> my CVP calls that originate from UCM. Both calls from the dialer 30VIP 
> ports and calls to CTI RPs don’t have a guid”
>
> I wasn’t familiar that CallManager used GUIDs for call tracking. 
> Anyone familiar with a setting to turn GUIDs on or off? -jason
>
>
>
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