Searching for Dtmf Support information? Find all needed info by using official links provided below.
https://docs.oracle.com/cd/E95619_01/html/esbc_ecz810_configuration/GUID-9273B5C2-086E-4275-BB1B-7F8B6CA4D226.htm
DTMF Support For calls that require the IWF, you can enable support for the relay of RFC 2833 DTMF digits. The availability of this feature means that the Oracle® Enterprise Session Border Controller is compliant with RFC 2833, which defines two payload formats for DTMF digits.
https://wiki.freepbx.org/display/DIMG/SIP+Profile+-+DTMF+Support
Mar 11, 2019 · The SIP DTMF Support object will enable the IMG 2020 to accept specific DTMF sequences and using the Subscribe/Notify feature, send a Notify message to a far end gateway. Encapsulated within this notify message will be the Event: indicating the sequence entered. The supported DTMF digits are shown in the tables below.
https://www.voipmechanic.com/dtmf-issues.htm
DTMF (Dual Tone Multi-frequency) are signals/tones that are sent when you press a telephone's touch keys. These tones (or data signals) are used to access voicemail (passwords) and navigate IVRs or attendants for large companies like banks.
https://community.cisco.com/t5/ip-telephony-and-phones/in-band-dtmf-support-for-cisco-phones/td-p/2867991
Support for In-band audio DTMF through G711 Voice In-band audio or G711 DTMF refers to the transport of audible tones over the voice audio stream, without any additional involvement of the signaling protocol or the DSP for their transmission other than to setup the call normally and pass the audio end to end using the G711Ulaw/Alaw codec.
https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-border-element/200412-DTMF-Relay-and-Interworking-on-CUBE.html
Mar 15, 2017 · Support for In-band audio DTMF through G711 Voice In-band audio or G711 DTMF refers to the transport of audible tones over the voice audio stream, without any additional involvement of the signaling protocol or the DSP for their transmission other than to setup the call normally and pass the audio end to end using the G711Ulaw/Alaw codec.
https://support.t-mobile.com/thread/140835
Feb 09, 2019 · I have noticed that T-Mobile seems to handle DTMF tones different from other carriers. With T-Mobile, when you call a phone on the T-Mobile network, when you have connected and then press a key say 3, the tone does not go through until you release the key pressed.
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