For information on troubleshooting Error Conditions and Installation Error and Status Messages, see Avaya one-X® Deskphone SIP Installation and Maintenance Guide Release 6.2 for 9608, 9611G, 9621G,and 9641G IP Deskphones, 16-603504.

Avaya one-X® Deskphone SIP 9621G/9641G User Guide for 9600 Series IP Telephones, 16-603596

Avaya one-X® Deskphone SIP 9608, 9611G, 9621G, 9641G Administrator Guide Release 6.2, 16-601944

For information on software and hardware specifications, see Avaya Aura® Communication Manager Hardware Description and Reference