Puas rfc2833 tawm ntawm pawg?

Cov txheej txheem:

Puas rfc2833 tawm ntawm pawg?
Puas rfc2833 tawm ntawm pawg?
Anonim

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?

Tawm-ntawm-Band Signaling. DTMF tones yog ib qho piv txwv ntawm an in-band signaling protocol; uas yog, cov teeb liab raug xa mus rau tib txoj kev sib txuas lus raws li cov ntaub ntawv tseem ceeb ntawm cov channel ntawd. Rau DTMF lub suab uas txhais tau hais tias cov suab nrov nyob hauv tib qhov ntau zaus raws li tib neeg lub suab - txhua lub suab DTMF uas tsim tawm tuaj yeem hnov dhau ntawm kab.

Puas yog nplawm tawm ntawm pawg?

Nyob rau hauv-band kis tau tus mob ntawm DTMF, VoIP signaling raws tu qauv kuj siv out-of-band txoj kev ntawm DTMF kis tau tus mob. Piv txwv li, Session Initiation Protocol (SIP), nrog rau Media Gateway Control Protocol (MGCP) txhais cov lus tshwj xeeb rau kev xa cov lej.

RFC2833 DTMF yog dab tsi?

DTMF (Dual Tone Multi-frequency) yog cov teeb liab / lub suab uas xa thaum koj nias lub xov tooj kov cov yuam sij. … rfc2833- (nyiam qhov teeb tsa feem ntau) Yog cov qauv raws li txoj hauv kev los txhais cov cim qhia rau ntau yam xwm txheej suav nrog DTMF tones, fax-hais tones thiab lub teb chaws tshwj xeeb cov neeg siv kab suab.

Puas DTMF yog RTP?

RFC 2833 (RTP Them Nyiaj rau DTMF Tus lej, Xov Tooj Tones, thiab Xov Tooj Qhia)Qhia meej txog RTP payload hom rau nqa ob lub suab ntau zaus (DTMF) tus lej, thiab lwm yam kab thiab lub cev teeb liab.

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