[Asterisk-Users] Cisco 7960 bug in 6.1 evident in Asterisk

[Todd Lieberman]

Chris Clifton wrote:

>So do the 7960's have to be on the same subnet as the * box ?
>
>This seems like a major detriment to using them in a typical wan
>environment.
>
>- Chris Clifton
>
>----- Original Message ----- 
>From: "Brian West" <brian at bkw.org>
>To: <asterisk-users at lists.digium.com>
>Sent: Wednesday, February 04, 2004 1:58 PM
>Subject: Re: [Asterisk-Users] Cisco 7960 bug in 6.1 evident in Asterisk
>
>
>  
>
>>Does the first line, backup and emergency proxy go to the * box on the
>>same wire?  Malcolm and I figured out the 7960's freak smooth out if the
>>asterisk server isn't on the same subnet his phones kept rebooting over
>>and over and over till we took them off the switch they were on and move
>>them to the one with the aterisk server.
>>
>>bkw
>>
>>On Wed, 4 Feb 2004, John Todd wrote:
>>
>>    
>>
>>>Yes and no.  The Cisco phone is on a NAT network that is quite
>>>distant from one of the Asterisk servers, but on the same wire as the
>>>other.  Three lines go to the remote *, and three lines remain local
>>>on the network to the other * server.  I'm running CVS as of this
>>>morning on both servers.  Strangely, today the phone hasn't locked up
>>>or rebooted, though now I am getting one or two of the lines failing
>>>to REGISTER - they're simply not sending out a request, according to
>>>the network dump.  <sigh>
>>>
>>>JT
>>>
>>>
>>>At 7:43 AM -0600 2/4/04, Brian West wrote:
>>>      
>>>
>>>>Question.. is the 7960 on the same subnet as your asterisk server?  I
>>>>        
>>>>
>have
>  
>
>>>>a 7960 registered with 3 diffrent asterisk servers.  All 6 lines.
>>>>        
>>>>
>Running
>  
>
>>>>6.1 and has 12 days of uptime.
>>>>
>>>>bkw
>>>>
>>>>On Wed, 4 Feb 2004, John Todd wrote:
>>>>
>>>>        
>>>>
>>>>> So, I've managed to consistently lock up my Cisco 7960 (SIP 6.1) to
>>>>> the point where it needs to be unplugged, due to software errors.
>>>>> This is a first.
>>>>>
>>>>> My suspicions are that this bug in Asterisk is causing the lockups:
>>>>>    http://bugs.digium.com/bug_view_page.php?bug_id=0000889
>>>>>
>>>>> It seems unusual to me that a low volume of bogus SIP messages
>>>>>          
>>>>>
>should
>  
>
>>>>> lock up the 7960, but that seems to be the case.   It seems this
>>>>>          
>>>>>
>only
>  
>
>>>>> happens on my 7960 that I have completely full of extensions (all
>>>>>          
>>>>>
>six
>  
>
>>>>> line buttons are lit, two of them are auto-answer.)   I think this
>>>>>          
>>>>>
>is
>  
>
>>>>> one bug tickling another bug; bad messages from * are killing the
>>>>> 7960.
>>>>>
>>>>> I'd like anyone else with experiences with this  type of failure
>>>>>          
>>>>>
>with
>  
>
>>>>> Asterisk to give me a shout; I'm going to report this to Cisco
>>>>> somehow, but don't have enough evidence.
>>>>>
>>>>>          
>>>>>
>>>> > JT
>>>>
>>>>        
>>>>
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>>>      
>>>
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>>    
>>
>
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>  
>
My remote 15 seat call center uses 79xx phones and a point to point T1.  
Your millage may vary with the number of users/applications your 
bandwidth supports.  You may need to install QoS for your network to 
give SIP traffic top priority.  It's best to have a low latency connection!

Regards, TL