B.2 Example 1

29.2143GPPPolicy and charging control over Rx reference pointRelease 17TS

An UE, as the offerer, sends a SDP session description, as shown in table B.2.1, to an application server (only relevant SDP parameters are shown):

Table B.2.1: The values of the SDP parameters sent by the UE in example 1.

V=0
o=ecsreid 3262464865 3262464868 IN IP6 2001:0646:00F1:0045:02D0:59FF:FE14:F33A
s=MM01
i=One unidirectional audio media and one unidirectional video media and one bidirectional application media
t=3262377600 3262809600
m=video 50230 RTP/AVP 31
c=IN IP6 2001:0646:00F1:0045:02D0:59FF:FE14:F33A
a=recvonly
m=audio 50330 RTP/AVP 0
c=IN IP6 2001:0646:00F1:0045:02D0:59FF:FE14:F33A
a=sendonly
m=application 50430 udp wb
c=IN IP6 2001:0646:00F1:0045:02D0:59FF:FE14:F33A
a=sendrecv

and receives the SDP parameters, as shown in table B.2.2, from the application server:

Table B.2.2: The values of the SDP parameters sent by the application server in example 1.

V=0
o=ecsreid 3262464865 3262464868 IN IP6 2001:0646:00F1:0045:02D0:59FF:FE14:F33A
s=MM01
i=One unidirectional audio media and one unidirectional video media and one bidirectional application media
t=3262377600 3262809600
m=video 51372 RTP/AVP 31
c=IN IP6 2001:0646:000A:03A7:02D0:59FF:FE40:2014
a=sendonly
m=audio 49170 RTP/AVP 0
c=IN IP6 2001:0646:000A:03A7:02D0:59FF:FE40:2014
a=recvonly
m=application 32416 udp wb
c=IN IP6 2001:0646:000A:03A7:0250:DAFF:FE0E:C6F2
a=sendrecv

From this offer–answer exchange of SDP parameters the UE and the PCRF each creates a list of flow identifiers comprising the IP flows as shown in table B.2.3:

Table B.2.3: Flow identifiers in example 1.

Order of ‘m=’-line

Type of IP flows

Destination IP address / Port number of the IP flows

Flow identifier

1

RTP (Video) DL

2001:0646:00F1:0045:02D0:59FF:FE14:F33A / 50230

<1,1>

1

RTCP DL

2001:0646:00F1:0045:02D0:59FF:FE14:F33A / 50231

<1,2>

1

RTCP UL

2001:0646:000A:03A7:02D0:59FF:FE40:2014 / 51373

<1,2>

2

RTP (Audio) UL

2001:0646:000A:03A7:02D0:59FF:FE40:2014 / 49170

<2,1>

2

RTCP DL

2001:0646:00F1:0045:02D0:59FF:FE14:F33A / 50331

<2,2>

2

RTCP UL

2001:0646:000A:03A7:02D0:59FF:FE40:2014 / 49171

<2,2>

3

UDP (application) DL

2001:0646:00F1:0045:02D0:59FF:FE14:F33A / 50430

<3,1>

3

UDP (application) UL

2001:0646:000A:03ª7:0250:DAFF:FE0E:C6F2 / 32416

<3,1>