Name
Description
Play Tone till RTP
Specifies whether the locally generated ringback tone stops when SDP is
received for an early media session, or whether it continues until RTP is
actually received from the far-end party.
The options are:
•
Yes (default)
•
No
Symmetric RTP
Specifies whether the phone must receive RTP if the UDP source port
number is not same as the UDP destination port number.
The options are:
•
Disable
•
Enable (default)
RTCP_XR
Specifies whether VoIP Metrics Report Block as defined in RTP Control
Protocol Extended Reports (RTCP XR) (RFC 3611) is sent as part of the
RTCP packets to a remote peer or an RTCP monitoring server.
The options are:
•
Yes
•
No (default)
Timers and Count
SIP Timer T1
Specifies an estimate in milliseconds for the Round Trip Time (RTT).
The valid value is an integer from 500 to 10,000.
The default value is 500 milliseconds.
SIP Timer T2
Specifies the maximum retransmit interval in milliseconds for non-INVITE
requests and INVITE responses.
The valid value is an integer from 2,000 to 40,000.
The default value is 4,000 milliseconds.
SIP Timer T4
Specifies the maximum duration in milliseconds for which a message
remains in the network.
The valid value is an integer from 2,500 to 60,000.
The default value is 5,000 milliseconds.
INVITE Response Timeout
Specifies the maximum number of seconds that the phone waits for
another response after receiving a SIP 100 Trying response.
The valid value is an integer from 30 to 180.
The default value is 60 seconds.
Failed Session Removal
Timer
Specifies the time in seconds to automatically remove a failed call session.
The valid value is an integer from 5 to 999.
The default value is 30 seconds.
Table continues…
Configuring the phone using the web interface
April 2020
Installing and Administering Avaya J100 series IP Phones in an Open SIP
environment
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