User's Manual 1262 Document #: LTRT-10632
Mediant 800B Gateway & E-SBC
Parameter Description
a ringback tone to the PSTN. The device configured for
ISDN operates according to the LocalISDNRBSource
parameter:
If LocalISDNRBSource is set to 1, the device plays a
ringback tone and sends an ISDN Alert with PI = 8 to the
ISDN (unless the ProgressIndicator2ISDN_x parameter
is configured differently).
If LocalISDNRBSource is set to 0, the device doesn't
play a ringback tone. No PI is sent in the ISDN Alert
message (unless the ProgressIndicator2ISDN_x
parameter is configured differently). In this case, the
PBX / PSTN plays a ringback tone to the originating
terminal. Note that the receipt of a 183 response results
in an ISDN Progress message (unless SIP183Behaviour
is set to 1). If SIP183Behaviour is set to 1 (183 is
handled the same way as a 180 with SDP), the device
sends an Alert message with PI = 8 without playing a
ringback tone.
[3] Play Local Until Remote Media Arrive = Plays tone
according to received media. The behaviour is similar to
option [2]. If a SIP 180 response is received and the voice
channel is already open (due to a previous 183 early media
response or due to an SDP in the current 180 response), the
device plays a local ringback tone if there are no prior
received RTP packets. The device stops playing the local
ringback tone as soon as it starts receiving RTP packets. At
this stage, if the device receives additional 18x responses, it
does not resume playing the local ringback tone. Note that
for ISDN trunks, this option is applicable only if
LocalISDNRBSource is set to 1.
Note:
The parameter is applicable only to the Gateway (GW)
application.
The x in the ini file parameter name denotes the trunk
number, where 0 is Trunk 1.
The parameter is applicable only to digital interfaces.
Play Ringback Tone to IP
configure voip > sip-definition
settings > play-rbt-2ip
[PlayRBTone2IP]
Global parameter that enables the device to play a ringback
tone to the IP side for IP-to-Tel calls. You can also configure
this functionality per specific calls, using IP Profiles
(IpProfile_PlayRBTone2IP). For a detailed description of the
parameter and for configuring this functionality in the IP Profiles
table, see 'Configuring IP Profiles' on page 436.
Note:
If this functionality is configured for a specific IP Profile, the
settings of this global parameter is ignored for calls
associated with the IP Profile.
Play Local RBT on ISDN Transfer
play-l-rbt-isdn-trsfr
[PlayRBTOnISDNTransfer]
Determines whether the device plays a local ringback tone for
ISDN's Two B Channel Transfer (TBCT), Release Line Trunk
(RLT), or Explicit Call Transfer (ECT) call transfers to the
originator when the second leg receives an ISDN Alerting or
Progress message.
[0] Don't Play (default)
[1] Play
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