United States Stove Company SP8000 Technical Information download pdf (Page 55)

Configuring Voice Services

Using a FAX Machine

Cisco Small Business ATA Administration Guide 55

• G.726-40

• G.729a

• G.723

WRTP54G

• G.711u (configured by default)

• G.711a

• G.726-32

• G.729a

• G.723

Using a FAX Machine

You can connect a fax machine to an FXS port on the SPA2102, SPA3102,

SPA8000, and SPA8800. T.38 Fax is supported on these devices, for fax

transmission over an IP network. The SPA2102 and SPA3102 support a single

connection, while the SPA8000 and SPA8800 support one connection for each

pair of FXS ports (1/2, 3/4, 5/6, and 7/8) for a maximum of four connections.

Follow this procedure to optimize fax completion rates.

STEP 1 Upgrade the ATA firmware to the latest version

STEP 2 Ensure that you have enough bandwidth for uplink and downlink.

• For G.711 fallback, it is recommend to have approximately 100Kbps.

• For T.38, allocate at least 50 kbps.

STEP 3 To optimize G.711 fallback fax completion rates, set the following on the Line tab

of your ATA device:

• Network Jitter Buffer: very high

• Jitter buffer adjustment: disable

• Call Waiting: no

• 3 Way Calling: no

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United States Stove Company SP8000 Technical Information Page 55