VoLTE - Log分析与主要SIP消息

i: 561128295_185090136@192.168.1.1

v: SIP/2.0/UDP 192.168.1.1:5060;branch=z9hG4bK3624637363 Max-Forwards: 70

m: ;+g.3gpp.icsi-ref=\ims.icsi.mmtel\

Route:

P-Access-Network-Info: 3GPP-E-UTRAN-TDD; utran-cell-id-3gpp=0010100010000000 P-Preferred-Identity: Allow: INVITE,ACK,CANCEL,BYE,UPDATE,PRACK,MESSAGE,REFER,NOTIFY,INFO c: application/sdp

Accept: application/sdp,application/3gpp-ims+xml

P-Preferred-Service: urn:urn-7:3gpp-service.ims.icsi.mmtel

a: *;+g.3gpp.icsi-ref=\k: 100rel,replaces,from-change P-Early-Media: supported l: 435 v=0

o=root 5000 1000 IN IP4 192.168.1.1 s=QC VOIP

c=IN IP4 192.168.1.1 t=0 0

m=audio 50010 RTP/AVP 104 102 105 100 b=AS:41 b=RS:0 b=RR:0

a=rtpmap:104 AMR-WB/16000

a=fmtp:104 mode-change-capability=2;max-red=0 a=rtpmap:102 AMR/8000

a=fmtp:102 mode-change-capability=2;max-red=0 a=rtpmap:105 telephone-event/16000 a=fmtp:105 0-15

a=rtpmap:100 telephone-event/8000 a=fmtp:100 0-15 a=sendrecv

a=maxptime:240 a=ptime:20

SIP/2.0 100 Trying

Via: SIP/2.0/UDP 192.168.1.1:5060;branch=z9hG4bK3624637363 Max-Forwards: 70

From: \;tag=561128308

To:

hone>

Call-ID: 561128295_185090136@192.168.1.1 CSe