Cisco 7821 Administration Guide

DescriptionParameter
Enables or disables DND status sync on a line via XSI
service.
Choose Yes to enable the phone to synchronize DND
status with the server using the XSI service. Choose
No to disable this feature.
Note
• When Feature Key Sync is set to
Yes, FKS takes precedent over XSI
synchronization.
• If XSI host server and credentials are
not entered and the DND Enable field
is set to Yes, the phone user can't turn
on DND mode on the phone.
DND Enable
Audio Configuration
DescriptionParameter
Preferred codec for all calls. The actual codec used
in a call still depends on the outcome of the codec
negotiation protocol.
Select one of the following:
• G711u
• G711a
• G729a
• G729ab
• G722
• G722.2
• iLBC
• OPUS
• iSAC
Default: G711u
Preferred Codec
Select No to use any code. Select Yes to use only the
preferred codes. When you select Yes, calls fail if the
far end does not support the preferred codecs.
Default: No
Use Pref Codec Only
Codec to use if the first codec fails.
Default: Unspecified
Second Preferred Codec
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
291
Cisco IP Phone Troubleshooting
Audio Configuration

Cisco 7821 Specifications

General

Brand	Cisco
Model	7821
Category	IP Phone
Language	English