IP0020 not working need help

[alan8888]

IP0020

I recently bought a cheap $20 phone on ebay. But I have problem to get this work. All my other phone is can reigster on my elastix. This IP0020 is also working when I register ther SIP provide directly.
Anyone know that is there any trick i need to apply this phone and get it working

thank you

 

[rafael]

Normally you need to set extension/user, ip server and password. you might have issues with yum codecs?

What phone model is it?

Regards,

Rafael

 

[alan8888]

I can't get register on my internal network. But when I bring to phone to other location the phone can register without any problem
I don't understand what happened

 

[alan8888]

OH I found that I can register now. it only take more than 30 mins to register. not sure what happened