Mine

UDP write: fd -1
Destroying call '2c07a90e33c7851a7d1a428c5645497b@127.0.0.1'
    -- parse_srv: SRV mapped to host voip.eutelia.it, port 5060
Found information about services _sip._xxx.voip.eutelia.it (voip.eutelia.it:5060; transport=UD)
REGISTER 12 headers, 0 lines
Reliably Transmitting (no NAT) to 195.62.225.244:5060:UD
 with fd -1
REGISTER sip:voip.eutelia.it SIP/2.0
Via: SIP/2.0/UD 81.200.133.119:5060;branch=z9hG4bK51345871
From: <sip:04321845472@voip.eutelia.it>;tag=as7caa5c24
To: <sip:04321845472@voip.eutelia.it>
Call-ID: 653cc1ad078d41f52404b7eb7a4b8f32@127.0.0.1
CSeq: 122 REGISTER
User-Agent: Asterisk_Eut
Max-Forwards: 70
Expires: 330
Contact: <sip:s@81.200.133.119;transport=UD>
Event: registration
Content-Length: 0

asterisk1*CLI>
---
UDP write: fd -1
Destroying call '653cc1ad078d41f52404b7eb7a4b8f32@127.0.0.1'
    -- parse_srv: SRV mapped to host voip.eutelia.it, port 5060
Found information about services _sip._xxx.voip.eutelia.it (voip.eutelia.it:5060; transport=UD)
REGISTER 12 headers, 0 lines
Reliably Transmitting (no NAT) to 195.62.225.244:5060:UD
 with fd -1
REGISTER sip:voip.eutelia.it SIP/2.0
Via: SIP/2.0/UD 81.200.133.119:5060;branch=z9hG4bK22a16c11
From: <sip:04321845539@voip.eutelia.it>;tag=as735a8237
To: <sip:04321845539@voip.eutelia.it>
Call-ID: 2c07a90e33c7851a7d1a428c5645497b@127.0.0.1
CSeq: 122 REGISTER
User-Agent: Asterisk_Eut
Max-Forwards: 70
Expires: 330
Contact: <sip:s@81.200.133.119;transport=UD>
Event: registration
Content-Length: 0