Motorola VT1005 - Vonage VOIP Broadband Gateway Modem Installation Guide download pdf (Page 7)

VOICENT COMMUNICATIONS INC

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Please note that supporting V.90 or V.92 data transmission standards

does not imply your modem is voice capable. A good indication of voice

capability is the inclusion of voice mail software in the modem package.

We only support Voicent 3025 Data/Fax/Voice PCI modem.

4). Check voice modem quality

The quality of your voice modem has a huge impact on the call quality.

Many factors determine the modem voice capability, including the

supported features of the hardware, the availability of onboard DSP, the

quality of modem device driver, and the quality of the sound card of your

computer.

Warning: Some voice modems do not support standard voice device

driver interface even they claim to be voice capable. If you have this type

of modem, the program will malfunction when making phone calls. If that

happens, please switch to Voicent modem for guaranteed performance.

Checking the voice modem quality involves actually making some phone

calls using either AutoReminder or BroadcastByPhone. See the next

section for instruction using these programs. You are likely to experience

the following problems if your voice modem is of poor quality.

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Motorola VT1005 - Vonage VOIP Broadband Gateway Modem Installation Guide Page 7