H.263+ in SIP

H.263+ in SIP appears looks like this:

a=rtpmap:100 H263-1998/90000
a=fmtp:100 CIF=1; QCIF=1; SQCIF=1; D=1; F=1; I=1; J=1; L=1; S=1; T=1
a=rtpmap:34 H263/90000
a=fmtp:34 CIF=1; QCIF=1; SQCIF=1