[cisco-voip] Hookswitch problems on IP phones

[Bill Woodcock]

    > We're starting to see problems with the hookswitches on 7910 and 7940 
    > phones.  First occurrence was a couple of weeks ago, now 2 more in the last 
    > week.  Is this a trend, I wonder?  (Phones are about 5 years old.)  Symptoms 
    > are that when the phone is lifted off-hook, the switch only goes off-hook 
    > for a brief instant, then goes back on-hook.  The caller only hears a brief 
    > click followed by a dead line, and the callee gets a bum rap for hanging up 
    > on his callers.  One of my guys suspects the spring in there is weakening. 
    > Is anyone else seeing similar problems?

Yup.  This is about the only hardware problem on the 7910/7940/7960 that I 
know of, but a lot of us run into it eventually, if we're handling a lot 
of phones.  I'd guess than 1% of the phones I've dealt with have developed 
this problem eventually.

                                -Bill