[VoiceOps] Bad/not unique SIP Call-ID GUIDs

Alex Balashov abalashov at evaristesys.com
Tue Aug 3 08:48:22 EDT 2010

On 08/02/2010 11:15 AM, Hiers, David wrote:

> If you need uniqueness, you probably need to do it yourself.

Agreed, and would be my preferred solution, except that when integrating 
disparate network elements that all have the common requirement to 
discern individual message series, but whose "programmatic" environments 
vary substantially in their capabilities.

Rolling my own uniqueness works in a general-purpose programming 
environment where certain data structure primitives and library 
functions can be counted on, but not in more narrowly-conceived, 
domain-specific runtimes.

> If it bugged us, we'd throw a mediator in front of the db to add a customer
> identifier to the callID or something.  There's no problem that you can't
> solve with one more level of abstraction :)

Not always possible, especially in platforms we don't fully control. 
This may be an issue somewhat particular to what we do.

Alex Balashov - Principal
Evariste Systems LLC
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12th Floor, Suite 1200
Atlanta, GA 30309
Tel: +1-678-954-0670
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Web: http://www.evaristesys.com/

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