In band and out of band dtmf?

Cov txheej txheem:

In band and out of band dtmf?
In band and out of band dtmf?

Video: In band and out of band dtmf?

Video: In band and out of band dtmf?
Video: Análise DTMF com Wireshark - SIP INFO | RFC2833 | INBAND 2024, Kaum ib hlis
Anonim

In-Band vs. Rau DTMF tones uas txhais tau hais tias cov suab nrov nyob hauv tib lub suab ntau npaum li tib neeg lub suab - txhua lub suab DTMF uas tsim tawm tuaj yeem hnov dhau ntawm kab. Out-of-Band signaling protocols coj ib qho kev sib tw tack - cov teeb liab yog xa mus rau ib qho kev sib cais Cov kev sib txuas lus uas siv tau xws li Kev Teeb Meem No.

Inband DTMF yog dab tsi hauv SIP?

DTMF (Dual Tone Multi-frequency) yog signals/tones uas tau xa thaum koj nias lub xov tooj kov cov yuam sij … Inband- Nrog Inband tus lej tau dhau los ib yam li tus so ntawm koj lub suab zoo li ib txwm lub suab tsis muaj coding tshwj xeeb lossis cov cim siv tib lub codec li koj lub suab ua thiab tsim los ntawm koj lub xov tooj.

Inband thiab outband yog dab tsi?

In-band txhais tau tias xa cov lus txib hauv kev khiav hauj lwm los ntawm tus qauv NVMe tus tsav tsheb thiab cov lus txib, thaum tawm ntawm pawg txhais tau tias sab nraud ntawm kev paub txog kev ua haujlwm, feem ntau ua tiav nrog tus tswv tsev BMC los ntawm SMBUS raws tu qauv, tab sis tam sim no tuaj yeem ua tiav dhau ntawm PCIe tus neeg muag khoom tau hais cov lus ib yam.

Is RFC2833 tawm-ntawm-band?

DTMF tus lej tuaj yeem xa hauv-band (IB) lossis tawm-ntawm-band (OOB), tab sis qhov nrov tshaj plaws, cov qauv-raws li kev siv niaj hnub no yog xa DTMF cov lej hauv pawg. … Hmoov tsis zoo, RFC2833 (hauv band) tsis txaus siab rau "Type A" Cisco IP xov tooj (7905/7910/7940/7960).

Txoj kev DTMF twg yog txoj kev tawm ntawm txoj kev band?

Nyob rau hauv-band kis tau tus mob ntawm DTMF, VoIP signaling raws tu qauv kuj siv tawm-ntawm-band txoj kev ntawm DTMF kis tau tus mob. Piv txwv li, Kev Sib Tham Pib Txheej Txheem (SIP), nrog rau Media Gateway Control Protocol (MGCP) txhais cov lus tshwj xeeb rau kev xa cov lej.

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