
SIP User's Manual 8. Telephony Capabilities
Version 5.0 213 October 2006
Below is an example of SIP messages implementing the X-Detect header:
Via: SIP/2.0/UDP 10.33.2.53;branch=z9hG4bKac5906
Max-Forwards: 70
CSeq: 1 INVITE
X- Detect: Request=CPT,FAX
SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.33.2.53;branch=z9hG4bKac5906
CSeq: 1 INVITE
X- Detect: Response=CPT,FAX
Via: SIP/2.0/UDP 10.33.2.53;branch=z9hG4bKac5906
Max-Forwards: 70
CSeq: 1 INVITE
X- Detect: Response=CPT,FAX
Content-Type: Application/X-Detect
Content-Length: xxx
Type = CPT
Subtype = SIT
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