[Freeswitch-users] How to register from FS to Huawei SoftX3000

Dear sir, I found some provider use Huawei SoftX3000 and can limit use call from they softphone only. (use eyeball SDK). They can limit some account can register and call by sip server like an FS and Asterisk. but some account can't. (register and call by softphone). and i don't know how they can do that. So i try to use wireshark to debug sip headeder when use softphone with both account type. it's nothing diferent. I want to use both account work by FS register to Huawei SoftX3000. Can someone help me. i can give you softphone and both account type for test. Best Regards. Dome C.