Extension "Dual SIP Registration" Problem!

Hi Everyone!

I have the following problem, dual registration:

-- Registered SIP '220' at port 18862 expires 3600
-- Saved useragent "SIPAUA/0.1.001" for peer 219
-- Registered SIP '220' at port 5060 expires 120
-- Saved useragent "MxSipApp/ " for peer 219

Any tips to restrict or prevent? as per extension “useragent” restriction using freepbx or .conf files modification?

Any Warning Script?

Anything can help me?

Thanks in advance.