AASTRA 6700i series, 9143, 9480i, 9480i CT SIP Administrator Guide EN - Manual (Page 250)

41-001343-01 Rev 03, Release 3.2.2 4-87
9 Enable the “Send MAC Address in REGISTER Message” and the “Send Line Number in
REGISTER Message” fields by checking the check boxes.
(Disable these fields by unchecking the check boxes. Default is disabled for both fields).
For more information about these message features, see Chapter 6, the section, “TR-069 Support”
on page 6-5 .
Note: The “AS-Feature-Event Subscription Period” feature is configurable on a global basis only
10 In the "Session Timer" field, enter the time, in seconds, that the IP phone uses to send periodic
re-INVITE requests to keep a session alive. The proxy uses these re-INVITE requests to maintain the
status' of the connected sessions. See RFC4028 for details.
11 In the "Timer 1 and Timer 2" fields, enter a time, in milliseconds, that will apply to an IP phone
session. These timers are SIP transaction layer timers defined in RFC 3261.
Timer 1 is an estimate of the round-trip time (RTT). Default is 500 msec.
Timer 2 represents the amount of time a non-INVITE server transaction takes to respond to a
request. Default is 4 seconds.
12 In the "Transaction Timer" field, enter the amount of time, in milliseconds, that the phone allows the
call server (registrar/proxy) to respond to SIP messages that it sends.
Valid values are 4000 to 64000. Default is 4000.
Note: If the phone does not receive a response in the amount of time designated for this parameter,
the phone assumes the message has timed out.
13 In the "Transport Protocol" field, select a transport protocol to use when sending SIP Real-time
Transport Protocol (RTP) packets. Valid values are User Datagram Protocol (UDP) and Transmission
Control Protocol (TCP), UDP, TCP, Transport Layer Security (TLS) or Persistent TLS. The value
“UDP” is the default. For more information about TLS, see
“RTP Encryption” on page 4-94 and
Chapter 6, the section, “Transport Layer Security (TLS)” on page 6-26 .
14 In the "Local SIP UDP/TCP Port" field, specify the local source port (UDP/TCP) from which the
phone sends SIP messages. Default is 5060.
For more information about this feature, see the section, “SIP and TLS Source Ports for NAT
Traversal” on page 4-34 .
15 In the "Local SIP TLS Port" field, specify the local source port (SIPS/TLS) from which the phone
sends SIP messages. Default is 5061.
For more information about this feature, see the section, “SIP and TLS Source Ports for NAT
Traversal” on page 4-34 .
16 In the " Registration Failed Retry Timer" field, enter the amount of time, in seconds, that the phone
waits between registration attempts when a registration is rejected by the registrar.
Valid values are 30 to 1800. Default is 1800.
17 In the " Registration Timeout Retry Timer" field, enter the amount of time, in seconds, that the
phone waits until it re-attempts to register after a REGISTER message times out.
Valid values are 30 to 214748364. Default is 120.
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