Hardware Installation Guide
Page 52
...Catalyst 3500 and 2900 XL switches. The IP phone can use a Catalyst 4908G-L3 switch, as illustrated, or into multiple clusters, as illustrated, or a Catalyst 3508G XL switch to create a gigabit backbone. IP phones connected to switches other than the Catalyst 3524-PWR XL switches..., where Cisco IP Phones are created by clustering the Catalyst switches except the Catalyst 4908G-L3 switch. Cisco CallManager controls call -processing server running Cisco SoftPhone software can manage a cluster through , twisted-pair cable with workstations running Cisco CallManager software...
...Catalyst 3500 and 2900 XL switches. The IP phone can use a Catalyst 4908G-L3 switch, as illustrated, or into multiple clusters, as illustrated, or a Catalyst 3508G XL switch to create a gigabit backbone. IP phones connected to switches other than the Catalyst 3524-PWR XL switches..., where Cisco IP Phones are created by clustering the Catalyst switches except the Catalyst 4908G-L3 switch. Cisco CallManager controls call -processing server running Cisco SoftPhone software can manage a cluster through , twisted-pair cable with workstations running Cisco CallManager software...