1.概要
发送
MESSAGE tel:+8615068458834 SIP/2.0
Max-Forwards: 70
Via: SIP/2.0/TCP 10.235.162.57:56808;branch=z9hG4bK-EKbwawmA
User-Agent: CPM-client/OMA2.2 RCS-client/UP_2.4 term-Xiaomi/MI 6-8.0.0 client-MF/1.1.0 OS-Android/8.0.0 Channel-terminal-000001 Channel-client-731184
Call-ID: a989baac-4e10-4e10-a64b-4ec7e161d645
Contribution-ID: 94d850fb-ed40-437e-9609-de9ea0e393d9
Conversation-ID: 4f93f0fe-86d6-462c-9ba2-e4bc3d1cafcc
From: tel:+8615053065637;tag=p0Xq8Mny
To: tel:+8615068458834
CSeq: 1 MESSAGE
P-Preferred-Identity: tel:+8615053065637
P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.oma.cpm.msg
Content-Type: message/cpim
Content-Length: 350
From: tel:+8615053065637
To: tel:+8615068458834
DateTime: 2020-09-27T04:02:25.941Z
NS: cpm http://www.openmobilealliance.org/cpm/
cpm.Payload-Type: text/plain
NS: imdn urn:ietf:params:imdn
imdn.Message-ID: 0a76cec9-c5f4-4f1d-a502-8518a57bf8be
Content-Type: text/plain
Content-Transfer-Encoding: base64
Content-Length: 8
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应答
SIP/2.0 202 Accepted
Server: IM-Sever/OMA5.1
Record-Route: sip:orig@10.10.208.199:6060;transport=tcp;lr;i=2;s=0
Via: SIP/2.0/TCP 10.235.162.57:56808;branch=z9hG4bK-EKbwawmA;received=124.64.18.253;rport=50095
From: tel:+8615053065637;tag=p0Xq8Mny
Call-ID: a989baac-4e10-4e10-a64b-4ec7e161d645
To: tel:+8615068458834;tag=644677907844
CSeq: 1 MESSAGE
Max-Forwards: 70
Conversation-ID: 4f93f0fe-86d6-462c-9ba2-e4bc3d1cafcc
Contribution-ID: 94d850fb-ed40-437e-9609-de9ea0e393d9
Content-Length: 0