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DTMF issues and problems when using VoIP.
https://www.voipmechanic.com/dtmf-issues.htm#:~:text=DTMF%20%28Dual%20Tone%20Multi-frequency%29%20are%20signals%2Ftones%20that%20are,IVRs%20or%20attendants%20for%20large%20companies%20like%20banks.
AudioCodes Quick Reference Guide
https://www.audiocodes.com/media/14274/audiocodes-quick-reference-guide-voice-quality-troubleshooting-for-session-border-controllers-sbcs-and-gateways.pdf
AUDIOCODES SHALL NOT BE HELD LIABLE FOR ANY INACCURACIES. Quick Reference Guide From RFC2833 volume: For DTMF digits and other events representable as tones, this field describes the power level of the tone, expressed in dBm0 after dropping the sign. Power levels range from 0 to -63 dBm0. The range of valid DTMF is from 0 to -36 dBm0 (must
AudioCodes MsTeams direct routing: DTMF Event mismatch ...
https://answers.microsoft.com/en-us/msteams/forum/all/audiocodes-msteams-direct-routing-dtmf-event/bbeb6fdd-54f8-4dd9-b492-8badad1729ee
AudioCodes MsTeams direct routing: DTMF Event mismatch Hi, Currently, MS Teams Direct routing is sending DTMF attribute like this: a=fmtp:101 0-16. Is it possible to have the events changed to: a=fmtp:101 0-15 Thanks. This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread.
Teams with SBC no DTMF tones - Microsoft Tech …
https://techcommunity.microsoft.com/t5/microsoft-teams/teams-with-sbc-no-dtmf-tones/td-p/726153
We are using Audiocodes SBC and DTMF tones are working bothway, also using transcoding for Teams clients to leverage SILK 16khz. (also using Media Bypass) This is example of OK SDP response on provider's OK with SDP that is sent to Teams: a=ice-lite. m=audio 51200 RTP/SAVP 104 101.
Solved: Get Digits ext script not working. DTMF issue with ...
https://community.cisco.com/t5/contact-center/get-digits-ext-script-not-working-dtmf-issue-with-audio-codes/td-p/2756336
As suggested by you, changes in AudioCodes gateway were done. DTMF Tx = RFC 2833 (In-band signalling) Prior successfull testing, it was changed to NOTIFY but nothing worked out. calls were failing. RTP payload = 101. - NOTIFY + RTP Payload 96 + CUBE DP's SIP NOTIFY combination din't worked.
Teams Direct Routing - DTMF tones on Inbound Calls not ...
https://techcommunity.microsoft.com/t5/microsoft-teams/teams-direct-routing-dtmf-tones-on-inbound-calls-not-working/td-p/1003327
Teams Direct Routing - DTMF tones on Inbound Calls not working. The other day of Microsoft Direct Routing life in our enterprise environment and another nice issue appeared as reported from users. Might be it will help somebody. Long story short: Microsoft accepts also not so standard DTMF type value than the more usual 101 on inbound calls to ...
DTMF issues and problems when using VoIP.
https://www.voipmechanic.com/dtmf-issues.htm
VoIP & Issues with DTMF. 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.
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