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Parameter name
Default value
Description
only if
MEDIA_NEG_PREFER
ENCE is set to local,
otherwise grants the
remote preference
NOTE1:
MEDIA_ADDR_MODE=4
and 6 answerers select
the MEDIA_ADDR_MODE
address family in ANAT
offer. For non-ANAT offers
or ANAT offers with
selected "m" line (e.g. re-
INVITE), answerers reject
the call with 488, if
MEDIA_ADDR_MODE
does not match any of
offered audio lines (with
non-zero port).
NOTE2: Answerers are
always ANAT capable.
NOTE3:
MEDIA_ADDR_MODE 4
or 6 enforces a dual stack
phones which are
configured with both IPv4
and IPv6 address to
behave as IPv4 only or
IPv6 only phone.
MEDIA_NEG_PREFEREN
CE is ignored when
MEDIA_ADDR_MODE is
4 or 6.
Example : Setting to use
IPv6 only SET
MEDIA_ADDR_MODE 6
Example : Setting to
preference of IPv6 over
IPv4 SET
MEDIA_ADDR_MODE 64
Table continues…
Customizable parameters
April 2020
Installing and Administering Avaya J100 series IP Phones in an Open SIP
environment
388