PJSIP issue with TEL (RFC 3966)

Optus NBN Australia

PJSIP Logging enabled
<— Received SIP request (1697 bytes) from UDP:210.49.225.101:5060 —>
INVITE sip:+61732103210@192.168.1.100:5060;line={weirdnumbers} SIP/2.0
Max-Forwards: 65
Via: SIP/2.0/UDP 210.49.225.101:5060;branch={weirdnumbers}
To: “SIPLineUser SIPLineUser” tel:+6173210321
From: “Anonymous” sip:anonymous@anonymous.invalid;tag={weirdnumbers}
Call-ID: {weirdnumbers}@10.194.0.25
CSeq: 1 INVITE
Contact: sip:sgc_c@210.49.225.101;transport=udp
Record-Route: sip:210.49.225.101;transport=udp;lr
Min-Se: 900
Privacy: id
Session-Expires: 1800
Supported: com.nortelnetworks.firewall
Supported: p-3rdpartycontrol
Supported: nosec
Supported: join
Supported: x-nortel-sipvc
Supported: gin
Supported: com.nortelnetworks.im.encryption
Supported: 100rel
Supported: resource-priority
Supported: replaces
User-Agent: Nortel SESM 19.0.1.0
Content-Type: application/sdp
Content-Length: 574
X-Nt-Service: brdplayed=yes
X-Nt-Corr-Id: {weirdnumber}@10.194.0.25
X-Nortel-Profile: DEFAULT
Allow: ACK, BYE, CANCEL, INVITE, OPTIONS, INFO, SUBSCRIBE, REFER, NOTIFY, PRACK, UPDATE
v=0
o=- 3257871432 3257871432 IN IP4 210.49.225.101
s=-
e=unknown@invalid.net
c=IN IP4 210.49.123.41
t=0 0
m=audio 48426 RTP/AVP 8 0 18 101 110 111
b=AS:80
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:101 telephone-event/8000
a=ptime:20
a=maxptime:20
a=3gOoBTC
a=rtpmap:110 AMR/8000
a=fmtp:110 mode-change-period=2; mode-change-capability=2; mode-change-neighbor=1; max-red=0
a=rtpmap:111 AMR/8000
a=fmtp:111 octet-align=1; mode-change-period=2; mode-change-capability=2; mode-change-neighbor=1; max-red=0

<— Transmitting SIP response (534 bytes) to UDP:210.49.225.101:5060 —>
SIP/2.0 416 Unsupported URI Scheme
Via: SIP/2.0/UDP 210.49.225.101:5060;received=210.49.225.101;branch={weirdnumbers}
Record-Route: sip:210.49.225.101;transport=udp;lr
Call-ID: {weirdnumbers}@10.194.0.25
From: “Anonymous” sip:anonymous@anonymous.invalid;tag={weirdnumbers}
To: “SIPLineUser SIPLineUser” tel:+6173210321;tag={weirdnumbers}
CSeq: 1 INVITE
Server: “{User_Agent}”
Content-Length: 0
<— Received SIP request (489 bytes) from UDP:210.49.225.101:5060 —>
ACK sip:+61732103210@192.168.2.22:5060;line={weirdnumbers} SIP/2.0
Max-Forwards: 70
Via: SIP/2.0/UDP 210.49.225.101:5060;received=210.49.225.101;branch={weirdnumbers}
To: “SIPLineUser SIPLineUser” tel:+61732103210;tag={weirdnumbers}
From: “Anonymous” sip:anonymous@anonymous.invalid;tag={weirdnumbers}
Call-ID: {weirdnumbers}@10.194.0.25
CSeq: 1 ACK
Content-Length: 0

*CLI> pjsip set logger off
PJSIP Logging disabled