Hello,
Quick question please ...Can any SIP peer allowed to send an INVITE for
restricted call without calling FROM information with no “Remote Party ID”. If
you look at the following information calling From number is restricted and
“Remote Party ID (RPID)” is missing as well therefore no way to find out where
the call is originating from. Is this acceptable if yes can you please
reference a draft where I can read this in detail ?
============================================================================
INVITE sip:[email protected]:5060 SIP/2.0
Via: SIP/2.0/UDP 6.6.19.72:5060;branch=z9hG4bK61ed25f40d9a00534ea564d93dcad9e7-0
From: "Anonymous"
<sip:[email protected]:5060>;tag=824f5ba36d11a58f9978aa130ae1eefd
To: <sip:[email protected]:5060>
Call-ID: [email protected]
CSeq: 34992 INVITE
Max-Forwards: 70
Allow: INVITE,ACK,CANCEL,BYE,REGISTER,REFER,INFO,SUBSCRIBE,NOTIFY,PRACK,OPTIONS
Accept: application/sdp, application/isup, application/dtmf,
application/dtmf-relay, multipart/mixed
Contact: "Anonymous" <sip:[email protected]:5060;transport=udp>
Anonymity: uri
Supported: timer,100rel
Session-Expires: 1800
Min-SE: 1800
Content-Length: 287
Content-Disposition: session; handling=required
Content-Type: application/sdp
v=0
o=Sonus_UAC 145400 14540000 IN IP4 62.62.96.28
s=SIP Media Capabilities
c=IN IP4 62.62.96.28
t=0 0
m=audio 43996 RTP/AVP 0 18 100
a=rtpmap:0 PCMU/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:100 telephone-event/8000
a=fmtp:100 0-15
a=sendrecv
a=maxptime:20
==================================================================
Regards,
Rashid Shakil
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