Avaya 3641/3645/6120/6140 IP Wireless Handset SIP Administration Guide June 2012 21
Chapter Three: SIP integration factors
CODECs
The Avaya 3641/3645/6120/6140 IP Wireless Handsets are compatible with the G.711µ-
law, G.711a-law and G.729 codecs. You can use any of these in a preferred order that is
set in the 46xxsettings.txt file.
DHCP
Dynamic Host Configuration Protocol (DHCP) is a standardized protocol that
dynamically assigns various configuration parameters to the clients. These configuration
parameters include IP address, subnet mask, default gateway, and other critical network
configuration information. DHCP servers centrally manage such configuration data and
are configured by network administrators with settings that are appropriate for a given
network environment. The handsets use the following DHCP options if DHCP use is
enabled:
Option Meaning
1 Subnet mask
3 Default gateway
6 DNS server
7 Syslog server logging
15 Domain name
42 NTP Server
66 TFTP server
151 Avaya SVP Server
152
Avaya Wireless Application
Interface Gateway
3
242 SSON†
siaddr Boot server or next server
If values are not received via DHCP, the handsets use the statically defined values.
† If values for the non-SSON options are subsequently found in the SSON data or the
config files, the handsets use these values instead of the DHCP supplied values. See
the SSON Option section below for additional data.
3
The Avaya Wireless Application Interface Gateway is referred to in the handset menus and elsewhere in this
document as the “OAI (Open Application Interface) Gateway”. It is a gateway that manages third party vendor
programming such as for nurse call systems or facility directories. The Installation document for the Open
Applications Interface (OAI) Gateway is available at https://support.avaya.com/css/P8/documents/003745895.
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