26 Jul
2024
26 Jul
'24
3:03 p.m.
In this example, the incorrect length also included part of the SDP. This generated an
additional error message because there was a duplicate Content-Length header :
```
INVITE sip:+49xxxxxxxxxx@bob.com;transport=udp;user=phone SIP/2.0
Call-ID: 02817-MD-4463d585-52e48e045(a)c4swlmgc2.alice.com
Contact: <sip:212.xxx.xxx.xxx:5060>
Content-Type: application/sdp
CSeq: 1133935713 INVITE
From: "0xxxxxxxxxx"
<sip:+49xxxxxxxxxx@alice.com;user=phone>;tag=02817-RD-4463d586-4f6eb2e21
Max-Forwards: 66
Record-Route: <sip:212.xxx.xxx.xxx:5060;user=00048987;lr;Cpkt=S;C=on-cirpack>
Route: <sip:bob.com;transport=udp;lr>
Supported: histinfo
To: <sip:+49xxxxxxxxxx@bob.com;user=phone>
Via: SIP/2.0/UDP 212.xxx.xxx.xxx:5060;branch=z9hG4bK-SBUV-07e9a5a9-120bc337
P-Early-Media: supported
User-Agent: Cirpack
Allow: INVITE,ACK,UPDATE,BYE,CANCEL,OPTIONS
P-Asserted-Identity:
"0xxxxxxxxxx"<sip:+49xxxxxxxxxx@alice.com;user=phone>
P-Charging-Vector:
icid-value="IBCF-1-172198114070166333715934";orig-ioi=3GPP-UTRAN
Content-Length: 248
v=0
o=anonymous 172198114002 172198114002 IN IP4 212.xxx.xxx.xxx
s=SIP Call
c=IN IP4 212.xxx.xxx.xxx
t=0 0
m=audio 31096 RTP/AVP 8 101
b=AS:82
a=rtpmap:8 PCMA/8000/1
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=ptime:20
a=sendrecv
INVITE sip:+49xxxxxxxxxx@bob.com;transport=udp;user=phone SIP/2.0
Record-Route: <sip:172.xxx.xxx.xxx;r2=on;lr=on;ftag=02817-RD-4463d586-4f6eb2e21>
Record-Route: <sip:92.xxx.xxx.xxx;r2=on;lr=on;ftag=02817-RD-4463d586-4f6eb2e21>
Call-ID: 02817-MD-4463d585-52e48e045(a)c4swlmgc2.alice.com
Contact: <sip:212.xxx.xxx.xxx:5060>
Content-Type: application/sdp
CSeq: 1133935713 INVITE
From: "0xxxxxxxxx"
<sip:+49xxxxxxxxx@alice.com;user=phone>;tag=02817-RD-4463d586-4f6eb2e21
Max-Forwards: 65
Record-Route: <sip:212.xxx.xxx.xxx:5060;user=00048987;lr;Cpkt=S;C=on-cirpack>
Supported: histinfo
To: <sip:+49xxxxxxxxx@bob.com;user=phone>
Via: SIP/2.0/UDP 172.xxx.xxx.xxx;branch=z9hG4bKfc7e.32b1e1b8641843f6f10ffaa78b49ad63.0
Via: SIP/2.0/UDP 212.xxx.xxx.xxx:5060;branch=z9hG4bK-SBUV-07e9a5a9-120bc337
User-Agent: Cirpack
Allow: INVITE,ACK,UPDATE,BYE,CANCEL,OPTIONS
P-Asserted-Identity: "0xxxxxxxxx"<sip:+49xxxxxxxxx@alice.com;user=phone>
P-Charging-Vector:
icid-value="IBCF-1-172198114070166333715934";orig-ioi=3GPP-UTRAN
Content-Length: 258
icid-value="IBCF-1-172198114070166333715934";orig-ioi=3GPP-UTRAN
Content-Length: 248
v=0
o=a
v=0
o=anonymous 172198114002 172198114002 IN IP4 92.xxx.xxx.xxx
s=SIP Call
c=IN IP4 92.xxx.xxx.xxx
t=0 0
m=audio 40848 RTP/AVP 8 101
b=AS:82
a=rtpmap:8 PCMA/8000/1
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv
a=rtcp
```
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