[asterisk-users] Asterisk registration SIP confusion. Can someone explain this?

[Michelle Dupuis]

We have an Asterisk v1.2.16 box registering with an ITSP using SIP.  The
registration succeeds, and is confirmed with SIP SHOW REGISTER.   However,
we frequently (every few minutes) see this on our console:
 
REGISTER attempt 1 to 999 at pbx.itsp.com 
REGISTER attempt 2 to 999 at pbx.itsp.com 
 
Any ideas what is going on?  In particular
1.  What causes the two register attempt messages above?
2.  Why is our asterisk box being associated with the "entryunauthorized"
context, not the "entryinternal" context?  (See below)
3.  Why is the contact "<sip:s at 123.183.86.231:5060>" in our SIP messages,
why s@ anything?

Thanks
MD
 
------------------------------------------
 
Contents of sip.conf at ITSP:
 
[999]
context=entryinternal   ; I know this context exists! This is the right
context.
type=friend
username=999
secret=1111
callerid="Test" <999>
host=dynamic                    
nat=no                        
canreinvite=no                
allow=ulaw
allow=alaw
dtmfmode=rfc2833
 
-------------------------------------------
 
Console log from ITSP show strange SIP traffic:
 
---
Scheduling destruction of call
<mailto:'3ec8bba250eab701464d5b1f4d2c51b9 at 127.0.0.1'>
'3ec8bba250eab701464d5b1f4d2c51b9 at 127.0.0.1' in 15000 ms
pbx*CLI> 
pbx*CLI> 
<-- SIP read from 123.183.86.231:5060: 
REGISTER sip:pbx.itsp.com SIP/2.0
Via: SIP/2.0/UDP 123.183.86.231:5060;branch=z9hG4bK1a8cee82;rport
From: <sip:999 at pbx.itsp.com>;tag=as3218ff14
To: <sip:999 at pbx.itsp.com>
Call-ID:  <mailto:3ec8bba250eab701464d5b1f4d2c51b9 at 127.0.0.1>
3ec8bba250eab701464d5b1f4d2c51b9 at 127.0.0.1
CSeq: 103 REGISTER
User-Agent: Asterisk PBX
Max-Forwards: 70
Authorization: Digest username="999", realm="pbx.itsp.com", algorithm=MD5,
uri="sip:pbx.itsp.com", nonce="5cec66c0",
response="6451967016fc38f896efeb7247523fe1", opaque=""
Expires: 120
Contact: <sip:s at 123.183.86.231:5060>
Event: registration
Content-Length: 0
 
--- (13 headers 0 lines) ---
Using latest REGISTER request as basis request
Sending to 123.183.86.231 : 5060 (NAT)
Transmitting (no NAT) to 123.183.86.231:5060:
SIP/2.0 100 Trying
Via: SIP/2.0/UDP
123.183.86.231:5060;branch=z9hG4bK1a8cee82;received=123.183.86.231;rport=506
0
From: <sip:999 at pbx.itsp.com>;tag=as3218ff14
To: <sip:999 at pbx.itsp.com>
Call-ID:  <mailto:3ec8bba250eab701464d5b1f4d2c51b9 at 127.0.0.1>
3ec8bba250eab701464d5b1f4d2c51b9 at 127.0.0.1
CSeq: 103 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Contact: <sip:999 at 74.110.57.25>
Content-Length: 0
 

---
Transmitting (no NAT) to 123.183.86.231:5060:
SIP/2.0 200 OK
Via: SIP/2.0/UDP
123.183.86.231:5060;branch=z9hG4bK1a8cee82;received=123.183.86.231;rport=506
0
From: <sip:999 at pbx.itsp.com>;tag=as3218ff14
To: <sip:999 at pbx.itsp.com>;tag=as7d680d48
Call-ID:  <mailto:3ec8bba250eab701464d5b1f4d2c51b9 at 127.0.0.1>
3ec8bba250eab701464d5b1f4d2c51b9 at 127.0.0.1
CSeq: 103 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Expires: 120
Contact: <sip:s at 123.183.86.231:5060>;expires=120
Date: Fri, 04 May 2007 19:27:58 GMT
ontent-Length: 0
 
<-- SIP read from 123.183.86.231:5060: 
OPTIONS sip:pbx.itsp.com SIP/2.0
Via: SIP/2.0/UDP 123.183.86.231:5060;branch=z9hG4bK36c1df86;rport
From: "asterisk" <sip:asterisk at 123.183.86.231>;tag=as6e5334cf
To: <sip:pbx.itsp.com>
Contact: <sip:asterisk at 123.183.86.231:5060>
Call-ID:  <mailto:5f9dafd128057f97406f0a0736c0d878 at 123.183.86.231>
5f9dafd128057f97406f0a0736c0d878 at 123.183.86.231
CSeq: 102 OPTIONS
User-Agent: Asterisk PBX
Max-Forwards: 70
Date: Fri, 04 May 2007 19:38:36 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Content-Length: 0
 
--- (12 headers 0 lines) ---
Looking for s in entryunauthorized (domain pbx.itsp.com)
Transmitting (no NAT) to 123.183.86.231:5060:
SIP/2.0 200 OK
Via: SIP/2.0/UDP
123.183.86.231:5060;branch=z9hG4bK36c1df86;received=123.183.86.231;rport=506
0
From: "asterisk" <sip:asterisk at 123.183.86.231>;tag=as6e5334cf
To: <sip:pbx.itsp.com>;tag=as51d476cd
Call-ID:  <mailto:5f9dafd128057f97406f0a0736c0d878 at 123.183.86.231>
5f9dafd128057f97406f0a0736c0d878 at 123.183.86.231
CSeq: 102 OPTIONS
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Contact: <sip:74.110.57.25>
Accept: application/sdp
Content-Length: 0
 

 
 
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