To use the Force Local Ring Back Tone (FLRBT) feature, set the PSX flag For more information on the flag When a caller sends a SIP The SBC monitors and detects early media from the egress call leg. The SBC plays a Ring Back Tone (RBT).P-Early-Media and DLRBT
DelayedRBTWithToneContinuation
to enabled
.The flag is available under the entity Tone Generation Criteria
> Delayed RBT
in the PSX.DelayedRBTWithToneContinuation
:create Tone_Generation_Criteria_Data
Tone_Generation_Criteria_Id <string> Sequence_Number <int>
[Response_Code <short>] [Attributes <int>] [Ingress_Tg
<string>]
DelayedRBTWithToneContinuation
:update Tone_Generation_Criteria_Data
Tone_Generation_Criteria_Id <string> Sequence_Number <int>
[Response_Code <short>] [Attributes <int>] [Ingress_Tg
<string>]
DelayedRBTWithToneContinuation
:delete Tone_Generation_Criteria_Data Tone_Generation_Criteria_Id <string> Sequence_Number <int>
DelayedRBTWithToneContinuation
, refer to the PSX document Tone Generation Criteria Screen.INVITE
to the SBC (irrespective of the presence of "P-Early-Media: supported
" header in the Session Description Protocol (SDP) of the INVITE
), the SBC adds P-Early-Media header in its 18x
(180
or 183
) response towards ingress call leg only if: