User's Manual
158
Document #: LTRT-65422
MP-11x & MP-124
remote side in INFO messages. To enable this mode, define the following:
a.
Set the 'Declare RFC 2833 in SDP' parameter to
No
(RxDTMFOption = 0).
b.
Set the '1st Tx DTMF Option' parameter to
INFO (Nortel)
(TxDTMFOption = 1).
Note:
In this mode, DTMF digits are removed from the audio stream (and the 'DTMF
Transport Type' parameter is automatically set to
Mute DTMF
).
Using INFO message according to Cisco’s mode:
DTMF digits are sent to the
remote side in INFO messages. To enable this mode, define the following:
a.
Set the 'Declare RFC 2833 in SDP' parameter to
No
(RxDTMFOption = 0).
b.
Set the '1st Tx DTMF Option' parameter to
INFO (Cisco)
(TxDTMFOption = 3).
Note:
In this mode, DTMF digits are removed from the audio stream (and the 'DTMF
Transport Type' parameter is automatically set to
Mute DTMF
).
Using NOTIFY messages according to
IETF Internet-Draft
draft-mahy-sipping-
signaled-digits-01
: DTMF digits are sent to the remote side using NOTIFY
messages. To enable this mode, define the following:
a.
Set the 'Declare RFC 2833 in SDP' parameter to
No
(RxDTMFOption = 0).
b.
Set the '1st Tx DTMF Option' parameter to
NOTIFY
(TxDTMFOption = 2).
Note:
In this mode, DTMF digits are removed from the audio stream (and the 'DTMF
Transport Type' parameter is automatically set to
Mute DTMF
).
Using RFC 2833 relay with Payload type negotiation:
DTMF digits are sent to the
remote side as part of the RTP stream according to RFC 2833. To enable this mode,
define the following:
a.
Set the 'Declare RFC 2833 in SDP' parameter to
Yes
(RxDTMFOption = 3).
b.
Set the '1st Tx DTMF Option' parameter to
RFC 2833
(TxDTMFOption = 4).
Note:
To set the RFC 2833 payload type with a value other than its default, use the
RFC2833PayloadType parameter. The device negotiates the RFC 2833 payload type
using local and remote SDP and sends packets using the payload type from the
received SDP. The device expects to receive RFC 2833 packets with the same
payload type as configured by this parameter. If the remote side doesn’t include
‘telephony-event’ in its SDP, the device sends DTMF digits in transparent mode (as
part of the voice stream).
Sending DTMF digits (in RTP packets) as part of the audio stream (DTMF Relay
is disabled):
This method is typically used with G.711 coders. With other low-bit rate
(LBR) coders, the quality of the DTMF digits is reduced. To enable this mode, define
the following:
a.
Set the 'Declare RFC 2833 in SDP' parameter to
No
(RxDTMFOption = 0).
b.
Set the '1st Tx DTMF Option' parameter to
Not Supported
(TxDTMFOption = 0).
c.
Set the ini file parameter, DTMFTransportType to 2 (i.e., transparent).
Using INFO message according to Korea mode:
DTMF digits are sent to the
remote side in INFO messages. To enable this mode, define the following:
a.
Set the 'Declare RFC 2833 in SDP' parameter to
No
(RxDTMFOption = 0).
b.
Set the '1st Tx DTMF Option' parameter to
INFO (Cisco)
(TxDTMFOption = 3).
Note:
In this mode, DTMF digits are removed from the audio stream (and the 'DTMF
Transport Type' parameter is automatically set to
Mute DTMF
).
Notes:
•
The device is always ready to receive DTMF packets over IP in all
possible transport modes: INFO messages, NOTIFY, and RFC 2833 (in
proper payload type) or as part of the audio stream.
•
To exclude RFC 2833 Telephony event parameter from the device's
SDP, set the 'Declare RFC 2833 in SDP' parameter to
No
.
Содержание Media Pack MP-124
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Страница 23: ...Part I Getting Started with Initial Connectivity...
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Страница 33: ...Part II Management Tools...
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Страница 93: ...Part III General System Settings...
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Страница 103: ...Part IV General VoIP Configuration...
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Страница 199: ...Part V Gateway Application...
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Страница 287: ...Part VI Stand Alone Survivability Application...
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Страница 319: ...Part VII Maintenance...
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Страница 359: ...Part VIII Status Performance Monitoring and Reporting...
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Страница 389: ...Part IX Diagnostics...
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Страница 417: ...Part X Appendix...
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Страница 584: ...User s Manual Ver 6 6 www audiocodes com...