Polycom RealPresence RMX 1500 Administrator's Manual page 907

Range: 80, 32, 80_32
Default: 80
Privacy Protocols - Flag Settings
SRTP_SRTCP_HMAC_SHA_LE
NGH Flag Value
80
32
80_32
Polycom®, Inc.
Negotiation Protocol
SDP
AES_CM_128_HMAC_SHA1_80
AES_CM_128_HMAC_SHA1_32
First:
AES_CM_128_HMAC_SHA1_32
Second:
AES_CM_128_HMAC_SHA1_80
Ultra Secure Mode
Authentication Tag Length
RTP RTCP
80 80
32 80
32 or 80 80
(Depending on
negotiation
result)
876