[cisco-voip] Strange 7960 issue when receiving 3rd call (2 on hold)

[Erick Bergquist]

No firewalls/nat that I know of but will check
w/client. I unicast'd a screenshot to you of the
phone. Supposedly this is from a test phone they have
in their IT dept at main location where the servers
are located.

Is there any CCM trace that may be helpful with this?
The phone firmware seems to be behaving strange since
the black call-duration counter isn't there either
next to the status icon for call on
hold/call-ringing-in, etc. 

On my lab phone, with 2 calls on hold, the third call
comes in and the info window in LCD for third call is
on top of the 2nd call on hold and saids 03 in
left-upper corner and the caller info and the status
icon changes to the ringing-in icon thingy, and the
softkeys change to answer, etc as expected. 

Erick

--- Wes Sisk <wsisk at cisco.com> wrote:

> is there a firewall or nat device between this phone
> and CM?  we're  
> seeing increasingly more issues where SCCP callinfo
> messages are  
> becoming larger that negotiated MSS causing
> segmenting which most  
> firewalls do not like.
> 
> /Wes
> On Jan 6, 2006, at 9:52 PM, Erick Bergquist wrote:
> 
> Hi,
> 
> I posted this earlier with a screenshot of phone,
> but
> it was over 80k so is awaiting moderation approval.
> 
> Anyway, Have a weird issue where a 7960 phone on
> 4.0(2a)SR2a when receiving the third call on primary
> DN (other 2 calls are on hold), the 3rd line rings
> through and they can answer fine with handset.
> 
> But on the LCD display it is not displaying the call
> information box, just the from #### in bottom line
> of
> display. The softkeys also don't get updated to have
> answer softkey, etc and say resume, etc for one of
> the
> other lines on hold.
> 
> The firmware is 7.0(2), and we updated to 7.2(4)
> with
> same problem. The phone also had a 7914 sidecar but
> we
> have removed that from the config and unplugged it
> from phone also and reset the phone, and same
> behavior
> on phone when retrieving a third call.
> 
> I have set up the phone on my ccm with same config,
> and can't get it to behave like that. Only
> difference
> is CCM verson is 4.1(3) on my lab setup right now.
> 
> What is also goofy is the phones usually also have a
> call-duration counter to left of the hold/ring
> in/etc
> icon. I am not seeing that on the customers phone on
> any call, even with 1 call up.
> 
> 
> 		
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