Receiver 가 MSRP 메시지를 받음
MSRP 8UH1zZt9n7ei SEND^M
To-Path: msrps://172.30.0.190:9/tKSB125985000004;tcp^M
From-Path: msrps://sbc.example.com:1234/wibD3206000022;tcp^M
Message-ID: yZCoXV2Qz15jtKWC3KOP7OMCVu8NJpC3^M
Success-Report: no^M
Failure-Report: yes^M
Byte-Range: 1-345/345^M
Content-Type: message/cpim^M
^M
From: <sip:anonymous@anonymous.invalid>^M
To: <sip:anonymous@anonymous.invalid>^M
NS: imdn <urn:ietf:params:imdn>^M
imdn.Message-ID: TdemiCVxBjH8a2hsxGPOeC9W192h0q7R^M
DateTime: 2018-05-15T13:50:32.000Z^M
imdn.Disposition-Notification: positive-delivery, display^M
^M
Content-type: text/plain; charset=utf-8^M
Content-length: 21^M
^M
pD4yghhP4rOxXw4spnONO^M
-------8UH1zZt9n7ei$^M
Receiver 가 Delivered 를 보냄
MSRP 0wewv40Rfly8 SEND^M
To-Path: msrps://sbc.example.com:1234/wibD3206000022;tcp^M
From-Path: msrps://172.30.0.190:9/tKSB125985000004;tcp^M
Message-ID: nFiyUqNIxBWQiY3dOQl4xtRMDcST2a02^M
Success-Report: no^M
Failure-Report: yes^M
Byte-Range: 1-538/538^M
Content-Type: message/cpim^M
^M
From: <sip:+1234@example.com>^M
To: <tel:+4567>^M
NS: imdn <urn:ietf:params:imdn>^M
imdn.Message-ID: f3dfstSYDQDZ3MQhWZ5la15VMJtH5f7S^M
DateTime: 20180515T135032Z^M
^M
Content-Type: message/imdn+xml^M
Content-Disposition: notification^M
Content-Length: 255^M
^M
<?xml version="1.0" encoding="UTF-8"?><imdn xmlns="urn:ietf:params:xml:ns:imdn"><message-id>TdemiCVxBjH8a2hsxGPOeC9W192h0q7R</message-id><datetime>20180515T135032Z</datetime><display-notification><status><displayed/></status></display-notification></imdn>^M
-------0wewv40Rfly8$^M