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Requirements
50 4600 Series IP Telephone LAN Administrator Guide
Software Requirements
The following software is required for 4600 Series IP Telephones to work properly:
● The DHCP server and application must be installed and properly administered, as
described in DHCP
on page 61.
!
CAUTION:
CAUTION: A DHCP server is not mandatory, but static addressing is necessary when a
DHCP server is unavailable. Because of difficulties associated with static
addressing, we very strongly recommend that a DHCP server be installed and
that static addressing be avoided.
● The TFTP and/or HTTP file server and application must be properly administered, as
described in TFTP (H.323 Only)
on page 74 and HTTP on page 76.
!
CAUTION:
CAUTION: A file server does not need to be available for the Avaya IP Telephones to
operate. The Avaya IP Telephones obtain important information from the script
files on the file server and depend on the application file for software upgrades. If
the file server is not available when the Avaya IP Telephones reset, the
telephones will register with the media server and operate. Some features may
not be available, and restoring those features requires resetting the Avaya IP
Telephone(s) when the file server is available.
● For 4630 and 4630SW IP Telephone environments, if users are to have access to LDAP
directories or corporate Web sites, the appropriate servers must be in place. The 4630/
4630SW Telephones must be appropriately administered in accordance with Server
Administration on page 53.
!
CAUTION:
CAUTION: 4630 IP Telephone Release 1.72 introduced significant software architecture
changes. Thus, unlike most 4600 Series IP Telephones software releases, 4630
IP Telephone Release 1.72 and later cannot be downgraded to a release earlier
than 1.72. Attempting to do so renders the 4630 (and 4630SW, if Release 1.8 or
greater) set inoperable. In addition, if you are upgrading a 4630 from a release
prior to Release 1.61, you must first upgrade to Release 1.61. Then you must
upgrade to the newer Release. You cannot upgrade directly from a pre-1.61
Release to a post-1.61 Release for the 4630.