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Cisco SPA-122

Requirements

How to provision it on your account

Log in to your cutomer interface to add a Cisco SPA 122.

Payments → Voucher/Activation Code

Enter the MAC address in the required field and press on confirm.

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Select the line

You can connect up to two phones and/or faxes.
Choose the lines you want to assign to the device

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Connectors

You can now connect the Cisco SPA-122 Box.
The automatic configuration takes about 10-15 minutes.

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PHONE 1Analog phone (Line 1))
PHONE 2Analog phone (Line 2)
ETHERNETRJ-45 connector for the PC
INTERNETInternet connection (On your router)
DC 5V POWERPower cable

Successful faxing via VoIP

Why reduce the baud rate?

Jitter (disturbance signal, clock ticking) and bad latencies can lead to corrupt fax transmission. When the fax machine detects a poor transmission, the entire fax is interrupted. By reducing the baud rate to 9600 bps, it is more likely that all packets can be successfully transmitted through the network.

Why should ECM (Error Correction Mode) be switched off?

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In the analogue world, the Error Correction Mode is certainly a help to stabilize and improve the transmission. When sending faxes via VoIP, this error correction can lead to problems and transmission abortions.

We recommend that this error correction be switched off if faults occur.

Configuration Examples for «HP, Brother and Canon»

Under VoIP Mechanic you will find good tips on configuring fax devices. If you are still experiencing problems with the device you are using, the manufacturer can provide additional support for the correct settings for successful faxing.