General settings parameters
Name
Default
value
Description
P39
5004
Specifies the local RTP port that the deskphone uses to listen
and transmit. The value must be an even number and in the
range of 1024 to 65400.
P78
0
Specifies whether the deskphone forces a random generation
of both the local SIP and RTP ports. Assign any of the following
values:
• 0: No
• 1: Yes
P84
20
Specifies how often the deskphone sends a blank UDP packet
to the SIP server to keep the ping hole on the NAT router to
open. Assign any value in the range of 10 to 160.
P101
Specifies the NAT IP address that the SIP client uses in the SIP
and SDP messages. Use this parameter only if your ITSP
requires it.
P76
Specifies the IP address or domain name of the STUN server.
Only non-symmetric NAT routers work with STUN.
P2907
1
Specifies whether to enable the auto login feature. Assign any
of the following values:
• 0: No
• 1: Yes
Call features settings parameters
Parameter
Default
value
Description
P71
Specifies the number that the deskphone dials when the
deskphone is off-hook.
P1485
30
Specifies the time in seconds after which the deskphone goes
on-hook after being off-hook. You can specify any value in the
range of 10 to 60.
Administering through the configuration file
92 Administering Avaya E129 SIP Deskphone
April 2014