Parameter name Default value Description
STUN_UDP_MAX_TRANSMISSI
ONS
7 Sets the number of times the
phone will transmit a STUN
Request until a Response is
received, after which the Request
will be treated as failed.
Valid values are positive integers
from 1 to 7.
STUN_UDP_MAX_MEDIA_TRAN
SMISSIONS
3 Specifies the number of times the
phone transmits a STUN Request
to get NAT bindings for the
phone’s RTP or RTCP IP address
and ports. Retransmissions
continue until a response is
received, or until the total number
of requests has been sent.
Initial timeout, in milliseconds, to
wait for a Response to a STUN
Request sent over UDP for media
is 500 msec. The timeout value is
internally doubled after each
(re)transmission.
Valid values are 1 through 4.
NAT_SIGNALING_KEEPALIVE_
ENABLED
1 Determines whether the
telephone sends keep-alives to
refresh NAT bindings for the
phone’s private signaling IP
address and port.
Valid values:
• 0: Keep-alive messages are not
sent.
• 1: Keep-alive messages are
sent.
Table continues…
Servers, VLAN, and IP configuration
April 2020 Installing and Administering Avaya J100 series IP Phones in an Open SIP
environment 64
Comments on this document? infodev@avaya.com
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