Cisco 7821 Administration Guide

DescriptionParameter
Enable or disable attended-call-transfer service.
Default: Yes
Attn Transfer Serv
Enable or disable blind-call-transfer service.
Default: Yes
Blind Transfer Serv
Enable or disable do not disturb service.
Default: Yes
DND Serv
Enable or disable block-anonymous-call service.
Default: Yes
Block ANC Serv
Enable or disable blocking outbound Caller-ID
service.
Default: Yes
Block CID Serv
Enable or disable secured call services.
Default: Yes
Secure Call Serv
Enable or disable call-forward-all service.
Default: Yes
Cfwd All Serv
Enable or disable call-forward-on-busy service.
Default: Yes
Cfwd Busy Serv
Enable or disable call-forward-no-answer service.
Default: Yes
Cfwd No Ans Serv
Enable or disable paging service on the phone.
Default: Yes
Paging Serv
Enable or disable call park services on the phone.
Default: Yes
Call Park Serv
Enable or disable call pick up services on the phone.
Default: Yes
Call Pick Up Serv
Enable or disable ACD login services on the phone.
Default: Yes
ACD Login Serv
Enable or disable group call pick up services on the
phone.
Default: Yes
Group Call Pick Up Serv
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
268
Cisco IP Phone Troubleshooting
Supplementary Services

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)