[Asterisk-Users] cisco phones problems

Carlos Alperin calperin at senecacom.net
Sat Oct 1 07:17:44 MST 2005


This sounds like you have CDP disable.

Cisco CDP is taken care of the ability to see the phones.

You cannot disable that if you use a Cisco switch, but you need to stop CDP
on ports that going outside your network.

It works like keepalive.

Carlos Alperin


-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Michiel van
Baak
Sent: Friday, September 30, 2005 6:35 PM
To: asterisk-users at lists.digium.com
Subject: Re: [Asterisk-Users] cisco phones problems

On 14:51, Fri 30 Sep 05, Edwin Lam wrote:
> after much struggles. i've found out that if i ping the phone unit
> from another computer constantly (couple pings every 5-10 sec)
> the phone will operate fine. once i stopped the pings, the UNREACHABLE
> message started to pop up and the drop calls problems starts. seems
> like it's the firmware issue. does anyone uses Cisco SIP 7.3 (or 6.0,
> i've tried downgraded it at some point) and have similar problems?
> 
> p.s. another piece of info: the phone units are set to a non default
> vlan manually since we share the physical lan for both data & voice.


Hi,

I had the same problem with only 1 Cisco 7905 every once in
a while. All problems were solved as soon as I reverted the
phones to SCCP and started using chan_sccp.so
There's no lag anymore between the phones and asterisk.

So maybe this is an extra reason to suspect the firmware
-- 
Michiel van Baak
http://michiel.vanbaak.info
michiel at vanbaak.info
GnuPG key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x7E0B9A2D

"Why is it drug addicts and computer afficionados are both called users?"





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