[Users] How do I only INVITE if I am registered?

[Mahesh Paolini-Subramanya]

Consider the case where there are two fones, both registered as the same subscriber (foo at bar.com) 
I have max_contacts == 2, therefore the fones actually register 
I now add a *third* fone, also registered as foo at bar.com 
Since max_contacts == 2, this fone does *not* register. 
However, if a user makes a call from this fone, the call will go through. I wish to prevent this. 

What do I do? Something obvious that I am missing? 
Or something weird with twiddling with the RURI and using "registered(domain)"? 
Or heavy AVP mucking around? 

Cheers 
-- 

******************************************* 
Mahesh Paolini-Subramanya (703) 386-1500 x9100 
CTO mahesh at aptela.com 
Aptela, Inc. http://www.aptela.com 
"Aptela: How Business Answers The Call" 
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