Cisco ubr924 Installation And Startup page 14

Verify Installation (continued)
Step 3
Watch the appropriate VoIP LED (V1 or V2) on the front of the router light when data is transmitted
on the link.
Any call-progress indications and other signals that can be carried inband (for example, remote
telephone ringing) are cut through the voice path as soon as an end-to-end audio channel is up. As
applicable, class reservations are put in place to achieve the desired CoS over the cable interface.
Step 4
Ensure the call is picked up before hanging up.
VoIP Fax
Step 1
Place a document in the document feeder of a fax machine connected to the router, referencing
instructions appropriate to the fax device.
Note: The router must be configured to support voice and you must be using Cisco IOS Release 12.0(5)T or
higher.
Step 2
Enter a destination number to receive the fax and press Dial or Start on most fax machines.
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The protocol appropriate to fax is turned on and the fax proceeds. Any call-progress indications and
other signals that can be carried inband (for example, remote telephone ringing) are cut through the
voice path as soon as an end-to-end audio channel is up.
Step 3
Watch the appropriate VoIP LED (V1 or V2) on the front of the router light as data is transmitted on
the link.
Step 4
Listen for a fax tone on the other end and verify that the fax is transmitted.
Step 5
Verify completion of the fax transmission at the destination.