asterisk users - Jun 2005 - D-link DPH-80 (SIP) call to asterisk problem

Hello gentlemen, I am new here.

I have a D-Link DPH-80S SIP phone (it's a non-US model), and I am trying
to make it work with Asterisk.  I tried versions 1.0.7 and yesterday's
CVS and the behavior is the same.

The phone registers with no problem, and can accept calls.

But when I try to make outgoing call, there is a series of invite
requests from the phone, to which asterisk responds with 407.  Comparing
logs with that of a soft phone, the difference is as follows:

Softphone
p: INVITE w/o Auth
a: 407 auth required
p: ACK
p: INVITE with auth
a: 200 OK
- all of these share the same Call-ID.

D-link:
p: INVITE w/o Auth
a: 407 auth required
p: ACK
p: INVITE with auth and new Call-ID
a: 407 auth required
p: ACK
p: INVITE with auth and new Call-ID
a: 407 auth required
p: ACK
p: INVITE with auth and new Call-ID
- et cetera

Apparently when Call-ID is new asterisk no longer matches the nonce that
it sent to this phone (check_auth is called with NULL third argument).

This does look like a bug in the phone firmware.  However, the phone can
successfully initiate calls via several commercial and community
providers.  I tried iconnecthere.com and voipuser.org and it works!

Now, the question: could it be possible to make the phone work with
asterisk?  Any ideas?  I can send the log on request (it is rather big).

Thanks.
Eugene

P.S. I also have a problem calling from asterisk to iconnecthere but
I'll report it in a separate message.
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Followup to myself:
> I have a D-Link DPH-80S SIP phone (it's a non-US model), and I am
trying
> to make it work with Asterisk.  I tried versions 1.0.7 and yesterday's
> CVS and the behavior is the same.
> 
> The phone registers with no problem, and can accept calls.
> 
> But when I try to make outgoing call, there is a series of invite
> requests from the phone, to which asterisk responds with 407.  Comparing
> logs with that of a soft phone, the difference is as follows:
> 
> Softphone
> p: INVITE w/o Auth
> a: 407 auth required
> p: ACK
> p: INVITE with auth
> a: 200 OK
> - all of these share the same Call-ID.
> 
> D-link:
> p: INVITE w/o Auth
> a: 407 auth required
> p: ACK
> p: INVITE with auth and new Call-ID
> a: 407 auth required
> p: ACK
> p: INVITE with auth and new Call-ID
> a: 407 auth required
> p: ACK
> p: INVITE with auth and new Call-ID
> - et cetera
> 
> Apparently when Call-ID is new asterisk no longer matches the nonce that
> it sent to this phone (check_auth is called with NULL third argument).
> 
> This does look like a bug in the phone firmware.  However, the phone can
> successfully initiate calls via several commercial and community
> providers.  I tried iconnecthere.com and voipuser.org and it works!
> 
> Now, the question: could it be possible to make the phone work with
> asterisk?  Any ideas?  I can send the log on request (it is rather big).
OK, I figured a workaround.  I have to create two separate entries in
sip.conf instead of one entry with type=friend:

[555-in]
; D-Link hard phone
type=user
context=home
host=dynamic
insecure=very
canreinvite=no
callerid=D-link Phone<555>

[555]
; D-Link hard phone
type=peer
context=home
host=dynamic
user=555
secret=555dlink
canreinvite=no

type=peer entry allows registration of the phone (because DPH-80S refuse
to work if it is not registered), and type=user entry tells asterisk to
accept INVITE from the phone without authentication.  Now my phne
actually works for both incoming and outgoing!

Eugene
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