chan_sip.c:16671 reload_config: Failed to bind to 0.0.0.0:50

Hi ,

Not able to register Sjphones with asterisk on Fedoracore 6: Need your HELP

I have installed asterisk and SJphone on fedora core 6 on the same machine, i have configured the sip.conf and the extensions.conf file for the same. When tried to reload the sip conf files by the commnad ’ sip reload’ in the asterisk client i get the following error message.
Pl help me out.

Your feedback is appreciated in advance.

xmlappsCLI> sip reload
Reloading SIP
== Parsing ‘/etc/asterisk/sip.conf’: Found
== Parsing ‘/etc/asterisk/users.conf’: Found
[May 22 12:33:13] WARNING[22692]: chan_sip.c:16671 reload_config: Failed to bind to 0.0.0.0:5060: Address already in use
== Parsing ‘/etc/asterisk/sip_notify.conf’: Found
xmlapps
CLI>