test-ack-1.txt

this is simple sip stack.

ACK sip:company.com SIP/2.0
To: sip:[e-mail]
From: sip:[e-mail]
Call-ID: 0ha0isndaksdj@10.0.2.2
Contact: sip:[e-mail]
CSeq: 8 NEWMETHOD
Via: SIP/2.0/UDP 135.180.130.133
Content-Length: 0