Make SDPParser RFC 4568 compliant #859
Description
Crypto attribute as for RFC 4568 is not implemented.
SDPParser is unable to parse full content of the RTP/SAVP Profile:
a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:/BLOysVUrjXDwZcZOA+Rkm1HBGmCitGQPhUSAOPe
a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:AoN4YDr3XHV90IMxCBLm1tFgujXPzaMlOBupqnlT