Hello,

When sending this AMI request ...
192.168.64.5 -> Action: Originate
192.168.64.5 -> Channel: SIP/9122
192.168.64.5 -> Async: True
192.168.64.5 -> Callerid: 9122 Guest2 <9122>
192.168.64.5 -> Exten: 9123
192.168.64.5 -> Context: local
192.168.64.5 -> Priority: 1

... I've got this INVITE from Asterisk
INVITE sip:[EMAIL PROTECTED]:5060;user=phone SIP/2.0
Via: SIP/2.0/UDP 192.168.100.254:5060;branch=z9hG4bK690b7694;rport
From: "9121 Guest1" <sip:[EMAIL PROTECTED] <[EMAIL PROTECTED]>
>;tag=as237a9159
To: <sip:[EMAIL PROTECTED]:5060;user=phone>
Contact: <sip:[EMAIL PROTECTED] <[EMAIL PROTECTED]>>
Call-ID: [EMAIL PROTECTED]
CSeq: 102 INVITE
User-Agent: Asterisk PBX



As you can see, SIP From and To headers are different but both somehow refer
to the peer.
When receiving such INVITE, my SIP hardphone (a Thomson ST2030) replies with
:

SIP/2.0 480 Temporarily Unavailable
Via: SIP/2.0/UDP 192.168.100.254:5060;branch=z9hG4bK690b7694;rport
From: "9121 Guest1"<sip:[EMAIL PROTECTED] <[EMAIL PROTECTED]>
>;tag=as237a9159
To: <sip:[EMAIL PROTECTED]:5060;user=phone>;tag=c0a80101-a611e
Call-ID: [EMAIL PROTECTED]
CSeq: 102 INVITE
Content-Length: 0




Is it normal to reply this way ?
I tried with another SIP phone (a Siemens Gigaset) and it accepted the
INVITE (and started to ring).

regards
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