SIP status is Request Sent for 2 hours

When I register the endpoint it takes 2 hours to change from state to registered, is it normal? I'm using issabel pbx

Log

[Oct 20 18:31:04] NOTICE[1627] chan_sip.c: -- Re-registration for This email address is being protected from spambots. You need JavaScript enabled to view it.
[Oct 20 18:31:04] NOTICE[1627] chan_sip.c: -- Re-registration for This email address is being protected from spambots. You need JavaScript enabled to view it.
[Oct 20 18:31:24] NOTICE[1627] chan_sip.c: -- Registration for 'This email address is being protected from spambots. You need JavaScript enabled to view it.' timed out, trying again (Attempt #2)
[Oct 20 18:31:24] NOTICE[1627] chan_sip.c: -- Registration for 'This email address is being protected from spambots. You need JavaScript enabled to view it.' timed out, trying again (Attempt #2)
[Oct 20 18:31:44] NOTICE[1627] chan_sip.c: -- Registration for 'This email address is being protected from spambots. You need JavaScript enabled to view it.' timed out, trying again (Attempt #3)
[Oct 20 18:31:44] NOTICE[1627] chan_sip.c: -- Registration for 'This email address is being protected from spambots. You need JavaScript enabled to view it.' timed out, trying again (Attempt #3)
[Oct 20 18:32:04] NOTICE[1627] chan_sip.c: -- Registration for 'This email address is being protected from spambots. You need JavaScript enabled to view it.' timed out, trying again (Attempt #4)
[Oct 20 18:32:04] NOTICE[1627] chan_sip.c: -- Registration for 'This email address is being protected from spambots. You need JavaScript enabled to view it.' timed out, trying again (Attempt #4)
[Oct 20 18:32:24] NOTICE[1627] chan_sip.c: -- Registration for 'This email address is being protected from spambots. You need JavaScript enabled to view it.' timed out, trying again (Attempt #5)
[Oct 20 18:32:24] NOTICE[1627] chan_sip.c: -- Registration for 'This email address is being protected from spambots. You need JavaScript enabled to view it.' timed out, trying again (Attempt #5)
[Oct 20 18:32:44] NOTICE[1627] chan_sip.c: -- Registration for 'This email address is being protected from spambots. You need JavaScript enabled to view it.' timed out, trying again (Attempt #6)
[Oct 20 18:32:44] NOTICE[1627] chan_sip.c: -- Registration for 'This email address is being protected from spambots. You need JavaScript enabled to view it.' timed out, trying again (Attempt #6)

Hi
You can try delete and set the sip extension on asterisk again and have a look. For convenient contact you can add my skype: This email address is being protected from spambots. You need JavaScript enabled to view it.