[팁]

sip-config
        registrar-domain                        *
        registrar-host                          *

sip-interface
        registration-caching                    enabled
             
../sipp -sf uac-nat-reg.xml -m 1 -r 1 -l 1 -i 105.20.1.133 -p 5070 105.20.5.103:5060
../sipp -sf ./uas-reg.xml -i 105.20.1.133 -p 5060

User <sip:100@105.20.5.103>
  Contact ID=150996953 exp=3258
    UA-Contact: <sip:100@105.20.1.133:5070> UDP keep-acl
         realm=Access local=105.20.5.103:5060 UA=105.20.1.133:5070
    SD-Contact: <sip:100@105.20.5.39:5060> realm=Core
    Call-ID: 1-29166@105.20.1.133'
    SA=105.20.1.133