IMS

 

 

 

 

VoLTE <-> VT(Video Telophony) Upgrade/Downgrade

 

 

SDP (INVITE/SDP for VoLTE)

SDP (INVITE/SDP for VoLTE->VT Upgrade)

v=0

o=anritsu 980 763980 IN IP4 192.168.1.2

s=-

i=A VOIP Session

c=IN IP4 192.168.1.2

t=0 0

m=audio 60000 RTP/AVP 107 97 8 0 101

b=AS:64

b=RS:800

b=RR:2400

a=ptime:20

a=maxptime:20

a=rtpmap:107 AMR-WB/16000

a=fmtp:107 octet-align=1; mode-set=2

a=rtpmap:97 AMR/8000

a=fmtp:97 octet-align=1; mode-set=7

a=rtpmap:8 PCMA/8000/1

a=rtpmap:0 PCMU/8000/1

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=mid:0

a=sendrecv

a=rtcp:60001

 

 

 

a=curr:qos local none

a=curr:qos remote none

a=des:qos mandatory local sendrecv

a=des:qos optional remote sendrecv

v=0

o=anritsu 980 763982 IN IP4 192.168.1.2

s=-

i=A VOIP Session

c=IN IP4 192.168.1.2

t=0 0

m=audio 60000 RTP/AVP 107 101

b=AS:64

b=RS:800

b=RR:2400

a=ptime:20

a=maxptime:20

a=rtpmap:107 AMR-WB/16000

a=fmtp:107 octet-align=1; mode-set=2

 

 

 

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=mid:0

a=sendrecv

a=rtcp:60001

m=video 60002 RTP/AVP 34

a=sendrecv

a=rtpmap:34 H263/90000

a=fmtp:34 profile=0;level=10

a=curr:qos local sendrecv

a=curr:qos remote sendrecv

a=des:qos mandatory local sendrecv

a=des:qos optional remote sendrecv

a=rtcp:60003

 

 

SDP (INVITE/SDP for VoLTE->VT Upgrade)

SDP (INVITE/SDP for VT->VoLTE Downgrade)

v=0

o=anritsu 980 763982 IN IP4 192.168.1.2

s=-

i=A VOIP Session

c=IN IP4 192.168.1.2

t=0 0

m=audio 60000 RTP/AVP 107 101

b=AS:64

b=RS:800

b=RR:2400

a=ptime:20

a=maxptime:20

a=rtpmap:107 AMR-WB/16000

a=fmtp:107 octet-align=1; mode-set=2

 

 

 

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=mid:0

a=sendrecv

a=rtcp:60001

m=video 60002 RTP/AVP 34

a=sendrecv

a=rtpmap:34 H263/90000

a=fmtp:34 profile=0;level=10

a=curr:qos local sendrecv

a=curr:qos remote sendrecv

a=des:qos mandatory local sendrecv

a=des:qos optional remote sendrecv

a=rtcp:60003

v=0

o=anritsu 980 763984 IN IP4 192.168.1.2

s=-

i=A VOIP Session

c=IN IP4 192.168.1.2

t=0 0

m=audio 60000 RTP/AVP 102

b=AS:64

b=RS:800

b=RR:2400

a=ptime:20

a=maxptime:20

 

 

 

 

 

 

a=mid:0

a=sendrecv

a=rtcp:60001

a=rtpmap:102 AMR/8000

a=fmtp:102 octet-align=1; mode-change-capability=2; max-red=0

m=video 0 RTP/AVP 34

a=sendrecv

a=rtpmap:34 H263/90000

a=fmtp:34 profile=0;level=10

 

a=rtcp:60003

a=curr:qos local sendrecv

a=curr:qos remote sendrecv

a=des:qos mandatory local sendrecv

a=des:qos optional remote sendrecv