[Asterisk-Users] ATA does not register

[Il Neofita]

I am not able to register an external ATA on my asterisk 2.0 Beta

This is the debug
Any idea?

server01*CLI>
<-- SIP read from CLIENTIP:5060:
REGISTER sip:SIPSERVERIP SIP/2.0
Via: SIP/2.0/UDP PRIVATEIP;rport;branch=z9hG4bK455E4AEA9A9954FB135D6D788DA2
From: <sip:528 at SERVERIP>;tag=1564789518
To: <sip:528 at SERVERIP>
Call-ID: 0ECAA45685461D3C36666C1D75FF at 192.168.1.75
CSeq: 1 REGISTER
Max-Forwards: 70
User-Agent: AVM FRITZ!Box Fon ata 11.03.37
Supported: 100rel, replaces
Allow-Events: telephone-event
Allow-Events: refer
Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, UPDATE, PRACK, INFO, SUBSCRIBE,
NOTIFY, REFER
Accept: application/sdp
Accept-Encoding: identity
Content-Length: 0
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