*** sip.conf ***
[7030]
type=friend
host=dynamic
defaultip=192.168.4.2
username=7030
secret=7030


;My sip phone
[7031]
type=friend
host=dynamic
defaultip=192.168.4.1
username=7031
secret=7031


****** sip debug**********


Marvin*CLI> sip show peer 7030
Marvin*CLI>

  * Name       : 7030
  Secret       : <Set>
  MD5Secret    : <Not set>
  Context      : default
  Language     :
  FromUser     :
  FromDomain   :
  Callgroup    :  (0)
  Pickupgroup  :  (0)
  Mailbox      :
  LastMsgsSent : -1
  Dynamic      : Yes
  Expire       : -1 seconds
  Expiry       : 900
  Insecure     : No
  Nat          : No
  ACL          : No
  CanReinvite  : Yes
  PromiscRedir : No
  DTMFmode     : rfc2833
  LastMsg      : 0
  ToHost       :
  Addr->IP     : (Unspecified) Port 0
  Defaddr->IP  : 192.168.4.2 Port 5060
  Username     : 7030
  Codecs       : 0x8000e (gsm|ulaw|alaw|h263)
  Codec Order  : (none)
  Status       : UNKNOWN
  Useragent    :
  Full Contact :
Marvin*CLI>
Marvin*CLI> sip show peer 7031
Marvin*CLI>

  * Name       : 7031
  Secret       : <Set>
  MD5Secret    : <Not set>
  Context      : default
  Language     :
  FromUser     :
  FromDomain   :
  Callgroup    :  (0)
  Pickupgroup  :  (0)
  Mailbox      :
  LastMsgsSent : -1
  Dynamic      : Yes
  Expire       : -1 seconds
  Expiry       : 900
  Insecure     : No
  Nat          : No
  ACL          : No
  CanReinvite  : Yes
  PromiscRedir : No
  DTMFmode     : rfc2833
  LastMsg      : 0
  ToHost       :
  Addr->IP     : (Unspecified) Port 0
  Defaddr->IP  : 192.168.4.1 Port 5060
  Username     : 7031
  Codecs       : 0x8000e (gsm|ulaw|alaw|h263)
  Codec Order  : (none)
  Status       : UNKNOWN
  Useragent    :
  Full Contact :
Marvin*CLI>
Marvin*CLI>

Sip read:
REGISTER sip:192.168.4.1;transport=UDP SIP/2.0
From: <sip:7030@192.168.4.1>;tag=c0a80402-13c4-19f72-12c-6db301
To: <sip:7030@192.168.4.1>
Call-ID: c0a80402-13c4-19f72-123-6bec15da
CSeq: 1 REGISTER
Via: SIP/2.0/UDP 192.168.4.2:5060;branch=z9hG4bK-19f72-12d-4f05b5a6
Max-Forwards: 70
Contact: <sip:7030@192.168.4.2>
Expires: 3600
Content-Length: 0


10 headers, 0 lines
Using latest request as basis request
Sending to 192.168.4.2 : 5060 (non-NAT)
Transmitting (no NAT):
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.4.2:5060;branch=z9hG4bK-19f72-12d-4f05b5a6
From: <sip:7030@192.168.4.1>;tag=c0a80402-13c4-19f72-12c-6db301
To: <sip:7030@192.168.4.1>
Call-ID: c0a80402-13c4-19f72-123-6bec15da
CSeq: 1 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:7030@192.168.4.1>
Content-Length: 0


 to 192.168.4.2:5060
Transmitting (no NAT):
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 192.168.4.2:5060;branch=z9hG4bK-19f72-12d-4f05b5a6
From: <sip:7030@192.168.4.1>;tag=c0a80402-13c4-19f72-12c-6db301
To: <sip:7030@192.168.4.1>;tag=as6c9428a3
Call-ID: c0a80402-13c4-19f72-123-6bec15da
CSeq: 1 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:7030@192.168.4.1>
WWW-Authenticate: Digest realm="asterisk", nonce="5c5bc430"
Content-Length: 0


 to 192.168.4.2:5060
Scheduling destruction of call 'c0a80402-13c4-19f72-123-6bec15da' in 15000 ms


Sip read:
REGISTER sip:192.168.4.1;transport=UDP SIP/2.0
From: <sip:7031@192.168.4.1>;tag=c0a80402-13c4-19f72-135-69817e3d
To: <sip:7031@192.168.4.1>
Call-ID: c0a80402-13c4-19f72-123-6bec15da
CSeq: 2 REGISTER
Via: SIP/2.0/UDP 192.168.4.2:5060;branch=z9hG4bK-19f72-136-c78632
Max-Forwards: 70
Contact: <sip:7031@192.168.4.2>
Expires: 3600
Content-Length: 0


10 headers, 0 lines
Using latest request as basis request
Sending to 192.168.4.2 : 5060 (non-NAT)
Transmitting (no NAT):
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.4.2:5060;branch=z9hG4bK-19f72-136-c78632
From: <sip:7031@192.168.4.1>;tag=c0a80402-13c4-19f72-135-69817e3d
To: <sip:7031@192.168.4.1>
Call-ID: c0a80402-13c4-19f72-123-6bec15da
CSeq: 2 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:7031@192.168.4.1>
Content-Length: 0


 to 192.168.4.2:5060
Transmitting (no NAT):
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 192.168.4.2:5060;branch=z9hG4bK-19f72-136-c78632
From: <sip:7031@192.168.4.1>;tag=c0a80402-13c4-19f72-135-69817e3d
To: <sip:7031@192.168.4.1>;tag=as6c9428a3
Call-ID: c0a80402-13c4-19f72-123-6bec15da
CSeq: 2 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:7031@192.168.4.1>
WWW-Authenticate: Digest realm="asterisk", nonce="6dd2514c"
Content-Length: 0


 to 192.168.4.2:5060
Scheduling destruction of call 'c0a80402-13c4-19f72-123-6bec15da' in 15000 ms
Marvin*CLI>

Sip read:
REGISTER sip:192.168.4.1;transport=UDP SIP/2.0
From: <sip:7030@192.168.4.1>;tag=c0a80402-13c4-19f72-12c-6db301
To: <sip:7030@192.168.4.1>
Call-ID: c0a80402-13c4-19f72-123-6bec15da
CSeq: 3 REGISTER
Via: SIP/2.0/UDP 192.168.4.2:5060;branch=z9hG4bK-19f72-148-7c103500
Max-Forwards: 70
Contact: <sip:7030@192.168.4.2>
Expires: 3600
Authorization: Digest username="7030", realm="asterisk", nonce="5c5bc430", uri="sip:192.168.4.1;transport=UDP", response="0912daf22a9bc29b43a83fbdb9b1a045", algorithm=MD5
Content-Length: 0


11 headers, 0 lines
Using latest request as basis request
Sending to 192.168.4.2 : 5060 (non-NAT)
Transmitting (no NAT):
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.4.2:5060;branch=z9hG4bK-19f72-148-7c103500
From: <sip:7030@192.168.4.1>;tag=c0a80402-13c4-19f72-12c-6db301
To: <sip:7030@192.168.4.1>
Call-ID: c0a80402-13c4-19f72-123-6bec15da
CSeq: 3 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:7030@192.168.4.1>
Content-Length: 0


 to 192.168.4.2:5060
Jun 28 20:46:17 WARNING[9982]: chan_sip.c:4826 check_auth: Stale nonce received from '<sip:7030@192.168.4.1>'
Transmitting (no NAT):
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 192.168.4.2:5060;branch=z9hG4bK-19f72-148-7c103500
From: <sip:7030@192.168.4.1>;tag=c0a80402-13c4-19f72-12c-6db301
To: <sip:7030@192.168.4.1>;tag=as6c9428a3
Call-ID: c0a80402-13c4-19f72-123-6bec15da
CSeq: 3 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:7030@192.168.4.1>
WWW-Authenticate: Digest realm="asterisk", nonce="4907f483"
Content-Length: 0


 to 192.168.4.2:5060
Scheduling destruction of call 'c0a80402-13c4-19f72-123-6bec15da' in 15000 ms


Sip read:
REGISTER sip:192.168.4.1;transport=UDP SIP/2.0
From: <sip:7031@192.168.4.1>;tag=c0a80402-13c4-19f72-135-69817e3d
To: <sip:7031@192.168.4.1>
Call-ID: c0a80402-13c4-19f72-123-6bec15da
CSeq: 4 REGISTER
Via: SIP/2.0/UDP 192.168.4.2:5060;branch=z9hG4bK-19f72-14f-63d37e
Max-Forwards: 70
Contact: <sip:7031@192.168.4.2>
Expires: 3600
Authorization: Digest username="7031", realm="asterisk", nonce="6dd2514c", uri="sip:192.168.4.1;transport=UDP", response="3bbef0b970243aad0f30eba9b83a30e0", algorithm=MD5
Content-Length: 0


11 headers, 0 lines
Using latest request as basis request
Sending to 192.168.4.2 : 5060 (non-NAT)
Transmitting (no NAT):
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.4.2:5060;branch=z9hG4bK-19f72-14f-63d37e
From: <sip:7031@192.168.4.1>;tag=c0a80402-13c4-19f72-135-69817e3d
To: <sip:7031@192.168.4.1>
Call-ID: c0a80402-13c4-19f72-123-6bec15da
CSeq: 4 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:7031@192.168.4.1>
Content-Length: 0


 to 192.168.4.2:5060
Jun 28 20:46:17 WARNING[9982]: chan_sip.c:4826 check_auth: Stale nonce received from '<sip:7031@192.168.4.1>'
Transmitting (no NAT):
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 192.168.4.2:5060;branch=z9hG4bK-19f72-14f-63d37e
From: <sip:7031@192.168.4.1>;tag=c0a80402-13c4-19f72-135-69817e3d
To: <sip:7031@192.168.4.1>;tag=as6c9428a3
Call-ID: c0a80402-13c4-19f72-123-6bec15da
CSeq: 4 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:7031@192.168.4.1>
WWW-Authenticate: Digest realm="asterisk", nonce="4cfe948a"
Content-Length: 0


 to 192.168.4.2:5060
Scheduling destruction of call 'c0a80402-13c4-19f72-123-6bec15da' in 15000 ms
Destroying call 'c0a80402-13c4-19f72-123-6bec15da'
Marvin*CLI>