2(11235) receive_msg: cleaning up
 4(11237) SIP Request:
 4(11237)  method:  <ACK>
 4(11237)  uri:     <sip:emcho@ipv6.sip-communicator.org>
 4(11237)  version: <SIP/2.0>
 4(11237) parse_headers: flags=2
 4(11237) Found param type 232, <branch> = 
<z9hG4bKc01a084c923dbc4a5de11530d611fe64>; state=16
 4(11237) end of header reached, state=5
 4(11237) parse_headers: Via found, flags=2
 4(11237) parse_headers: this is the first via
 4(11237) After parse_msg...
 4(11237) preparing to run routing scripts...
 4(11237) DEBUG : sl_filter_ACK: to late to be a local ACK!
 4(11237) parse_headers: flags=100
 4(11237) get_hdr_field: cseq <CSeq>: <1> <ACK>
 4(11237) DEBUG: add_param: tag=b9b9c012
 4(11237) DEBUG:parse_to:end of header reached, state=29
 4(11237) DBUG:parse_to: display={"emcho"}, 
ruri={sip:emcho@ipv6.sip-communicator.org}
 4(11237) DEBUG: get_hdr_field: <To> [60]; 
uri=[sip:emcho@ipv6.sip-communicator.org]
 4(11237) DEBUG: to body ["emcho" <sip:emcho@ipv6.sip-communicator.org>]
 4(11237) DEBUG:maxfwd:is_maxfwd_present: value = 70
 4(11237) DEBUG: add_param: tag=b7cb05bc
 4(11237) DEBUG:parse_to:end of header reached, state=29
 4(11237) DBUG:parse_to: display={"77"}, 
ruri={sip:77@ipv6.sip-communicator.org}
 4(11237) parse_headers: flags=200
 4(11237) is_preloaded: No
 4(11237) grep_sock_info - checking if host==us: 25==25 &&  
[ipv6.sip-communicator.org] == [ipv6.sip-communicator.org]
 4(11237) grep_sock_info - checking if port 5060 matches port 5060
 4(11237) after_strict: Next hop: 
'sip:[2001:660:4701:1001:20E:7FFF:FEB5:AAA3];ftag=b7cb05bc;lr=on' is 
loose router
 4(11237) parse_headers: flags=ffffffffffffffff
 4(11237) DEBUG: get_hdr_body : content_length=0
 4(11237) found end of header
 4(11237) rewrite_uri: Rewriting Request-URI with 
'sip:[2001:660:4701:1001:20E:7FFF:FEB5:AAA3];ftag=b7cb05bc;lr=on'
 4(11237) after_strict: The last route URI: 
'sip:[2001:660:4701:1001:20E:7FFF:FEB5:AAA3];ftag=b7cb05bc;lr=on'
 4(11237) parse_headers: flags=ffffffffffffffff
 4(11237) DEBUG: t_newtran: msg id=3 , global msg id=2 , T on 
entrance=0xffffffff
 4(11237) parse_headers: flags=ffffffffffffffff
 4(11237) parse_headers: flags=78
 4(11237) t_lookup_request: start searching: hash=42196, isACK=1
 4(11237) parse_headers: flags=38
 4(11237) DEBUG: t_lookup_request: e2e proxy ACK found
 4(11237) DEBUG:tm:REF_UNSAFE: after is 1
 4(11237) DEBUG:tm:t_newtran: building branch for end2end ACK
 4(11237) DEBUG:tm:UNREF_UNSAFE: after is 0
 4(11237) DEBUG:tm:t_relay: forwarding ACK
 4(11237) DEBUG: mk_proxy: doing DNS lookup...
 4(11237) check_via_address(2001:660:4701:F009:215:FF:FE35:EE1F, 0.0.0.0, 0)
 4(11237) Sending:
ACK sip:[2001:660:4701:1001:20E:7FFF:FEB5:AAA3];ftag=b7cb05bc;lr=on SIP/2.0
Record-Route: 
<sip:[2001:660:4701:1001:20E:7FFF:FEB5:AAA3];lr=on;ftag=b7cb05bc>
Via: SIP/2.0/UDP 
[2001:660:4701:1001:20E:7FFF:FEB5:AAA3];branch=z9hG4bK4d4a.9db19213.2
Via: SIP/2.0/UDP 
0.0.0.0;received=2001:660:4701:F009:215:FF:FE35:EE1F;branch=z9hG4bKc01a084c923dbc4a5de11530d611fe64
CSeq: 1 ACK
Call-ID: 39bdf32f765ff3a4b67d1eedc2d538c9@0.0.0.0
From: "77" <sip:77@ipv6.sip-communicator.org>;tag=b7cb05bc
To: "emcho" <sip:emcho@ipv6.sip-communicator.org>;tag=b9b9c012
User-Agent: SIP Communicator 1.0 CVS-Fri_Jan_05_18-27-08_EET_2007
Max-Forwards: 69
Content-Length: 0
P-hint: rr-enforced

.
 4(11237) orig. len=490, new_len=679, proto=1
 4(11237) DEBUG:destroy_avp_list: destroying list (nil)