Cisco 7821 Manual

You can also swap between both callers to consult with them individually before you remove
yourself from the call.
Procedure
Step 1
From a call that is not on hold, press Transfer .
Step 2
Enter the other person's phone number.
Step 3
(Optional) Wait until you hear the line ring or until the other person answers the call.
Step 4
Press Transfer again.
Adjust the Volume During a Call:
If the sound in your handset, headset, or speakerphone is too loud or too soft, you can change
the volume while you are listening to the other person. When you change the volume during a
call, the change only affects the speaker you're using at the time. For example, if you adjust the
volume while you're using a headset, the handset volume doesn't change.
Procedure
Press Volume right or left to adjust the volume while you are on a call.
Adjust the Phone Ringer Volume:
If your phone ringer is too loud or too soft when you get an incoming call, you can change the
ringer volume. Changes to the ringer volume do not affect the call volume you hear when you
are on a call.
Procedure
Press Volume right or left to adjust the ringer volume when the phone rings.

Cisco 7821 Specifications

General

Resolution	396 x 162 pixels
Lines	2
Speakerphone	Yes
Display	3.5-inch (89 mm) monochrome display
Ethernet Ports	2 x 10/100 Ethernet ports
Power	IEEE PoE Class 1
Headset Port	Yes
Protocols	SIP
Audio Codecs	G.711, G.722, G.729, iLBC
Weight	0.9 kg (1.98 lb)