Maxim-integrated Teridian V.22 bis Linux Softmodem for 73M1822/73M1 Manuel d'utilisateur télécharger pdf (Page 56)

V.22 bis Linux Softmodem for 73M1x22 MicroDAA User Guide UG_1x22_043

56 Rev. 1.5

Continuous cadence:

The tone is continuously present and provided that it me

ets the requirements for frequency

and level, it will be considered as a valid call progress tone after a certain time of validation

(see S67 or S23). This is the standard cadence for dial tone detection in most cases.

Continuous

Validation time

Single cadence A:

The cadence has a regular On and Off time, A, and provided that it meets the requirements

for frequency and level, it will be considered as a valid call progress tone after a certain

time of validation (see S67 or S23).

Single Cadence A

Cadence A min and max On time

Cadence A min and max Off time

+ Validation time

Single cadence B:

The cadence has a regular On and Off time, B, and provided that it meets the requirements

for frequency and level, it will be considered as a valid call progress tone after a certain

time of validation (see S67 or S23).

Single Cadence A

Cadence A min and max On time

Cadence A min and max Off time

+ Validation time

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Maxim-integrated Teridian V.22 bis Linux Softmodem for 73M1822/73M1 Manuel d'utilisateur Page 56