<--- SIP read from UDP:127.0.0.1:5061 --->                                                                                                                                                                                                                                    
REGISTER sip:127.0.0.1 SIP/2.0                                                                                                                                                                                                                                                
CSeq: 1 REGISTER                                                                                                                                                                                                                                                              
Via: SIP/2.0/UDP 127.0.0.1:5061;branch=z9hG4bK4a9a48a8-3d6a-e011-9fe3-001cc0a3ca57;rport                                                                                                                                                                                      
User-Agent: Ekiga/3.2.7                                                                                                                                                                                                                                                       
From: <sip:ib_14428@127.0.0.1>;tag=9a2c48a8-3d6a-e011-9fe3-001cc0a3ca57                                                                                                                                                                                                       
Call-ID: 3a2348a8-3d6a-e011-9fe3-001cc0a3ca57@mail.linux-delhi.org                                                                                                                                                                                                            
To: <sip:ib_14428@127.0.0.1>                                                                                                                                                                                                                                                  
Contact: <sip:ib_14428@10.0.17.250>;q=1, <sip:ib_14428@192.168.1.2>;q=0.750, <sip:ib_14428@122.176.233.131>;q=0.500, <sip:ib_14428@122.176.234.66>;q=0.250                                                                                                                    
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,SUBSCRIBE,NOTIFY,REFER,MESSAGE,INFO,PING                                                                                                                                                                                                 
Expires: 60                                                                                                                                                                                                                                                                   
Content-Length: 0                                                                                                                                                                                                                                                             
Max-Forwards: 70                                                                                                                                                                                                                                                              
                                                                                                                                                                                                                                                                              
                                                                                                                                                                                                                                                                              
<------------->                                                                                                                                                                                                                                                               
--- (12 headers 0 lines) ---                                                                                                                                                                                                                                                  
Sending to 127.0.0.1 : 5061 (no NAT)                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                                              
<--- Transmitting (no NAT) to 127.0.0.1:5061 --->                                                                                                                                                                                                                             
SIP/2.0 401 Unauthorized                                                                                                                                                                                                                                                      
Via: SIP/2.0/UDP 127.0.0.1:5061;branch=z9hG4bK4a9a48a8-3d6a-e011-9fe3-001cc0a3ca57;received=127.0.0.1;rport=5061                                                                                                                                                              
From: <sip:ib_14428@127.0.0.1>;tag=9a2c48a8-3d6a-e011-9fe3-001cc0a3ca57                                                                                                                                                                                                       
To: <sip:ib_14428@127.0.0.1>;tag=as43ee879f                                                                                                                                                                                                                                   
Call-ID: 3a2348a8-3d6a-e011-9fe3-001cc0a3ca57@mail.linux-delhi.org                                                                                                                                                                                                            
CSeq: 1 REGISTER                                                                                                                                                                                                                                                              
Server: Asterisk PBX 1.6.2.9-2+squeeze1                                                                                                                                                                                                                                       
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO                                                                                                                                                                                                      
Supported: replaces, timer                                                                                                                                                                                                                                                    
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="3afaa159"                                                                                                                                                                                                    
Content-Length: 0                                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                                                              
                                                                                                                                                                                                                                                                              
<------------>                                                                                                                                                                                                                                                                
Scheduling destruction of SIP dialog '3a2348a8-3d6a-e011-9fe3-001cc0a3ca57@mail.linux-delhi.org' in 32000 ms (Method: REGISTER)                                                                                                                                               

<--- SIP read from UDP:127.0.0.1:5061 --->                                                                                                                                                                                                                                    
REGISTER sip:127.0.0.1 SIP/2.0
CSeq: 1 REGISTER
Via: SIP/2.0/UDP 127.0.0.1:5061;branch=z9hG4bK4a9a48a8-3d6a-e011-9fe3-001cc0a3ca57;rport
User-Agent: Ekiga/3.2.7
From: <sip:ib_14428@127.0.0.1>;tag=9a2c48a8-3d6a-e011-9fe3-001cc0a3ca57
Call-ID: 3a2348a8-3d6a-e011-9fe3-001cc0a3ca57@mail.linux-delhi.org
To: <sip:ib_14428@127.0.0.1>
Contact: <sip:ib_14428@10.0.17.250>;q=1, <sip:ib_14428@192.168.1.2>;q=0.750, <sip:ib_14428@122.176.233.131>;q=0.500, <sip:ib_14428@122.176.234.66>;q=0.250
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,SUBSCRIBE,NOTIFY,REFER,MESSAGE,INFO,PING
Expires: 60
Content-Length: 0
Max-Forwards: 70


<------------->
--- (12 headers 0 lines) ---
Sending to 127.0.0.1 : 5061 (no NAT)

<--- Transmitting (no NAT) to 127.0.0.1:5061 --->
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 127.0.0.1:5061;branch=z9hG4bK4a9a48a8-3d6a-e011-9fe3-001cc0a3ca57;received=127.0.0.1;rport=5061
From: <sip:ib_14428@127.0.0.1>;tag=9a2c48a8-3d6a-e011-9fe3-001cc0a3ca57
To: <sip:ib_14428@127.0.0.1>;tag=as43ee879f
Call-ID: 3a2348a8-3d6a-e011-9fe3-001cc0a3ca57@mail.linux-delhi.org
CSeq: 1 REGISTER
Server: Asterisk PBX 1.6.2.9-2+squeeze1
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO
Supported: replaces, timer
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="3afaa159"
Content-Length: 0


<------------>
Scheduling destruction of SIP dialog '3a2348a8-3d6a-e011-9fe3-001cc0a3ca57@mail.linux-delhi.org' in 32000 ms (Method: REGISTER)

<--- SIP read from UDP:127.0.0.1:5061 --->
REGISTER sip:127.0.0.1 SIP/2.0
CSeq: 1 REGISTER
Via: SIP/2.0/UDP 127.0.0.1:5061;branch=z9hG4bK4a9a48a8-3d6a-e011-9fe3-001cc0a3ca57;rport
User-Agent: Ekiga/3.2.7
From: <sip:ib_14428@127.0.0.1>;tag=9a2c48a8-3d6a-e011-9fe3-001cc0a3ca57
Call-ID: 3a2348a8-3d6a-e011-9fe3-001cc0a3ca57@mail.linux-delhi.org
To: <sip:ib_14428@127.0.0.1>
Contact: <sip:ib_14428@10.0.17.250>;q=1, <sip:ib_14428@192.168.1.2>;q=0.750, <sip:ib_14428@122.176.233.131>;q=0.500, <sip:ib_14428@122.176.234.66>;q=0.250
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,SUBSCRIBE,NOTIFY,REFER,MESSAGE,INFO,PING
Expires: 60
Content-Length: 0
Max-Forwards: 70


<------------->
--- (12 headers 0 lines) ---
Sending to 127.0.0.1 : 5061 (no NAT)

<--- Transmitting (no NAT) to 127.0.0.1:5061 --->
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 127.0.0.1:5061;branch=z9hG4bK4a9a48a8-3d6a-e011-9fe3-001cc0a3ca57;received=127.0.0.1;rport=5061
From: <sip:ib_14428@127.0.0.1>;tag=9a2c48a8-3d6a-e011-9fe3-001cc0a3ca57
To: <sip:ib_14428@127.0.0.1>;tag=as43ee879f
Call-ID: 3a2348a8-3d6a-e011-9fe3-001cc0a3ca57@mail.linux-delhi.org
CSeq: 1 REGISTER
Server: Asterisk PBX 1.6.2.9-2+squeeze1
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO
Supported: replaces, timer
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="3afaa159"
Content-Length: 0


<------------>
Scheduling destruction of SIP dialog '3a2348a8-3d6a-e011-9fe3-001cc0a3ca57@mail.linux-delhi.org' in 32000 ms (Method: REGISTER)

<--- SIP read from UDP:127.0.0.1:5061 --->
REGISTER sip:127.0.0.1 SIP/2.0
CSeq: 1 REGISTER
Via: SIP/2.0/UDP 127.0.0.1:5061;branch=z9hG4bK4a9a48a8-3d6a-e011-9fe3-001cc0a3ca57;rport
User-Agent: Ekiga/3.2.7
From: <sip:ib_14428@127.0.0.1>;tag=9a2c48a8-3d6a-e011-9fe3-001cc0a3ca57
Call-ID: 3a2348a8-3d6a-e011-9fe3-001cc0a3ca57@mail.linux-delhi.org
To: <sip:ib_14428@127.0.0.1>
Contact: <sip:ib_14428@10.0.17.250>;q=1, <sip:ib_14428@192.168.1.2>;q=0.750, <sip:ib_14428@122.176.233.131>;q=0.500, <sip:ib_14428@122.176.234.66>;q=0.250
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,SUBSCRIBE,NOTIFY,REFER,MESSAGE,INFO,PING
Expires: 60
Content-Length: 0
Max-Forwards: 70


<------------->
--- (12 headers 0 lines) ---
Sending to 127.0.0.1 : 5061 (no NAT)

<--- Transmitting (no NAT) to 127.0.0.1:5061 --->
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 127.0.0.1:5061;branch=z9hG4bK4a9a48a8-3d6a-e011-9fe3-001cc0a3ca57;received=127.0.0.1;rport=5061
From: <sip:ib_14428@127.0.0.1>;tag=9a2c48a8-3d6a-e011-9fe3-001cc0a3ca57
To: <sip:ib_14428@127.0.0.1>;tag=as43ee879f
Call-ID: 3a2348a8-3d6a-e011-9fe3-001cc0a3ca57@mail.linux-delhi.org
CSeq: 1 REGISTER
Server: Asterisk PBX 1.6.2.9-2+squeeze1
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO
Supported: replaces, timer
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="3afaa159"
Content-Length: 0


<------------>
Scheduling destruction of SIP dialog '3a2348a8-3d6a-e011-9fe3-001cc0a3ca57@mail.linux-delhi.org' in 32000 ms (Method: REGISTER)