CHAPTER19 Coders and Profiles
Mediant 800 Gateway & E-SBC | User's Manual
Parameter Description
Note: If the parameter and the
SBCRemoteMultipleAnswersMode parameter are
disabled, multiple SDP answers are not reflected to the
SIP entity (i.e., the device sends the same SDP answer in
multiple 18x and 200 responses).
'Remote Multiple Answers
Mode'
sbc-multi-answers
[IpProfile_
SBCRemoteMultipleAnswersM
ode]
Enables interworking multiple SDP answers within the
same SIP dialog (non-standard). The parameter enables
the device to forward multiple answers to the SIP entity
associated with the IP Profile. The parameter is applicable
only when the IpProfile_SBCRemoteMultipleEarlyDialogs
parameter is disabled.
■ [0] Disable = (Default) Device always sends the same
SDP answer, which is based on the first received
answer that it sent to the SIP entity, for all forked
responses (even if the 'Forking Handling Mode'
parameter is Sequential), and thus, may result in
transcoding.
■ [1] Enable = If the 'Forking Handling Mode' parameter
is configured to Sequential, the device sends multiple
SDP answers.
'Remote Early Media RTP
Detection Mode'
sbc-rmt-early-media-rtp
[IpProfile_
SBCRemoteEarlyMediaRTP]
Defines whether the destination UA sends RTP
immediately after it sends a 18x response.
■ [0] By Signaling = (Default) Remote client sends RTP
immediately after it sends 18x response with early
media. The device forwards 18x and RTP as is.
■ [1] By Media = After sending 18x response, the remote
client waits before sending RTP (e.g., Microsoft Skype
for Business environment). For the device's handling of
this remote UA support, see Interworking SIP Early
Media.
'Remote RFC 3960 Support'
sbc-rmt-rfc3960-supp
[IpProfile_
SBCRemoteSupportsRFC3960]
Defines whether the destination UA is capable of receiving
18x messages with delayed RTP.
■ [0] Not Supported = (Default) UA does not support
receipt of 18x messages with delayed RTP. For the
device's handling of this remote UA support, see
Interworking SIP Early Media.
■ [1] Supported = UA is capable of receiving 18x
messages with delayed RTP.
'Remote Can Play Ringback'
sbc-rmt-can-play-
ringback
[IpProfile_
SBCRemoteCanPlayRingback]
Defines whether the destination UA can play a local
ringback tone.
■ [0] No = UA does not support local ringback tone. The
device sends 18x with delayed SDP to the UA.
■ [1] Yes = (Default) UA supports local ringback tone.
For the device's handling of this remote UA support,
see Interworking SIP Early Media.
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