asterisk users - Apr 2005 - Extensions unavailable after to sucessfull call (Registration lose)

Hi everyone:

I have asterisk latest version (Downloaded and installed today) with two 
softphone (X-Lite and SJPhone) and one Cisco ATA 186, The problem is when i 
make call between extensions, after to hang up if i try to do inmediatley a 
new call the extensions looks die, i have to wait for new registration for 
make a new cal (Looks afetr make a call the phone lose the registration). 
Sometimes i see some warning messages like:

WARNING[4979]: channel.c:528 ast_channel_walk_locked: Avoided deadlock for 
'SIP/268-b551', 10 retries!
WARNING[4979]: chan_sip.c:862 retrans_pkt: Maximum retries exceeded on call 
0B0B8900-1C42-48C7-BF5A-474CEC2AF52F@64.186.30.125 for seqno 1 (Non-critical 
Response)

After this the phone recover all privileges for make a calls.


Any idea.

Thank.

Kritikus.

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Hi Team:

Somebody knows how to configure some extension for monitoring on live a 
group of other extensions.????

Regards.

Kritikus.

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