Can anyone give me any guidance on how to troubleshoot these errors?  It's 
taking down one of our client's phone lines and I would really like to 
understand what is happening here.

Cordially,

Peter Nayland Kust
Director of Technologies
BusinesSuites
24624 Interstate 45 North, Suite 200
Houston, TX 77386
Tel:  281.378.8051
Fax:  855.287.6961
[email protected]
From: Peter Kust [mailto:[email protected]]
Sent: Thursday, March 19, 2015 10:11 AM
To: '[email protected]'
Subject: [OpenSIPS-Users] Presence Error messages

I am attempting to troubleshoot what I think is a presence/b2b_sca issue.

I keep getting an error message from presence as follows:
ERROR:presence:update_presentity: No E_Tag match 
[ff5ad69c9be06cffaa136492f4fb3b50]

At some point during the day, I will see this error message:
ERROR:presence:handle_subscribe: in event specific subscription handling

At this point, an outbound call from a line appearance provisioned to the 
b2b_sca module fails.  The outbound call is being attempted from a Cisco 
SPA525G2, and the message on the phone screen shows "no line"-despite happening 
at a time when it is known there are no calls on the system that I can see.  
The observed behavior of the phone is to show "No line", and the phone itself 
gets a

What do these error messages mean?  What is the system trying to tell me?  I am 
trying to get my brain around what the error messages are saying so I can 
figure out where to look next in my troubleshooting.  The proxy is functioning 
well in all other respects.

Cordially,

Peter Nayland Kust
Director of Technologies
BusinesSuites
24624 Interstate 45 North, Suite 200
Houston, TX 77386
Tel:  281.378.8051
Fax:  855.287.6961
[email protected]<mailto:[email protected]>
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