Improve Fax Transmission With Your Ata; Install Your New Phone (7800 Series) On Webex Calling (Formerly Spark Call) - Cisco IP Phone 7800 Series User Manual

Additional Information

Improve Fax Transmission with Your ATA

Data devices, such as facsimile machines and modems, may not function optimally with an ATA. For the best
fax and modem performance, continue to use a dedicated PSTN line.
By default, you send faxes with T.38 mode disabled. The fax data is encrypted from the ATA to the Cisco
Webex Call service.
You may encounter problems with fax transmission through your ATA. Your administrator can enable T.38
mode to resolve these problems. Remember that when T.38 is enabled, your faxes aren't encrypted.
Before you begin
To reduce failures from incoming fax calls, set your fax machine to Fax mode or Auto Answer Fax mode.
Otherwise, your fax machine may treat an incoming fax call as a voice call and cause a fax failure.
Procedure
Step 1
Ask your administrator to change your fax machine to use T.38 mode.
Step 2 Send a test fax after you change to T.38 mode.
What to do next
If you still encounter problems with fax messages:
• Restart your fax machine and analog telephone adapter (ATA).
• Check all physical connections on your fax machine and ATA.
• Check the status of your ATA in
• Lower the baud rate on your fax machine to 9600 or 2400 bps. Some fax machines provide Overseas
• Change the Error Correction Mode (ECM) value on your fax machine.
• Reduce the number of pages that you transmit in a single fax call.
Install Your New Phone (7800 Series) on Webex Calling
(formerly Spark Call)
Your phone comes with everything you need to power it up, connect it to the network, and set it up on your
desk.
You cannot adjust the Cisco IP Phone 7811 footstand.
To check which phone model you have, press Applications
number field shows your phone model.
Cisco IP Phone 7800 and 8800 Series, Cisco IP Conference Phone 7832, and Cisco ATA 190-SC User Guide for Webex Calling (formerly Spark
mode, which sets a low baud rate.
Cisco Webex Settings.
and select Phone information. The Model

Improve Fax Transmission with Your ATA

Call)
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