[asterisk-users] Aastra phones loosing service...

[Andrew Joakimsen]

On 7/20/07, Carlos Chavez <cursor at telecomabmex.com> wrote:
>         I have a customer that has recently upgraded their network and now
> their Aastra 9133i phones are loosing their connection to the Asterisk
> server.  They were using an external Asterisk server and now we have
> installed a new internal server with Asterisk 1.4.8 on a SIP/IAX
> implementation with no Zap cards.
>
>         Only hard phones seem to be having problems keeping a connection to the
> server, soft phones do not seem to be affected.  I was wondering if
> anyone here has had an experience where hard phones have problems
> connecting to the server.  The client has good Cisco intelligent
> switches on their network.  Is it possible that they maybe sending some
> QoS or VLAN information that confuses the phones?
>
I have seen the issue with the Aastra phones they periodically loose
connection and then a little while after gain connection again. At the
end of the day they have poor support, as in "Maybe we'll fix it in a
subsequent release"