Refer to Section 5.3.3.3 in 3GPP TS 26.234 alt = "a" "=" "alt" ":" alt-id ":" SDP-line CRLF SDP-line = <type>=<value> ; See RFC 2327 alt-id = 1*DIGIT ; unique identifier for the alternative in whole SDP.
To be able to assign an alternative ID to the default alternative, the following identification attribute is defined. alt-default-id = "a" "=" "alt-default-id" ":" alt-id CRLF The doc can be found at http://www.3gpp.org/ftp/tsg_sa/WG4_CODEC/TSGS4_28/Docs/S4-030680.zip I hope this helps. Regards, Gaurav -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Bin Chen Sent: Friday, November 24, 2006 11:23 AM To: [email protected] Subject: [Sip-implementors] SDP attribute meaning Hi, How can I found this SDP media attribute's info? a=alt:1 1 : Wuy71 xax LRZQ9k3k 192.168.0.124 20610 Thanks. Binary Chen _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
