Aastra Telecom 41-001343-02 IP Phone User Manual


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41-001343-02 REV04 – 05.2014 3-40
Transport Protocol sip transport protocol The protocol that the IP phone uses to send out SIP messages.
Notes:
• If you set the value of this parameter to 4 (TLS), the phone checks to see
if the “sips persistent tls” is enabled. If it is enabled, the phone uses Per-
sistent TLS on the connection. If “sips persistent tls” is disabled, then the
phone uses TLS on the connection. If TLS is used, you must specify the
Root and Intermediate Certificates, the Local Certificate, the Private Key,
and the Trusted Certificates.
• If the phone uses Persistent TLS, you MUST specify the Trusted Certifi-
cates; the Root and Intermediate Certificates, the Local Certificate, and
the Private Key are optional.
For more information, see Chapter 4, “Advanced SIP Settings (optional)” on
page4-69.
Local SIP UDP/TCP Port sip local port Specifies the local source port (UDP/TCP) from which the phone sends SIP
messages.
Notes:
• It is recommended that you avoid the conflict RTP port range in case of a
UDP transport.
• By default, the IP phones use symmetric UDP signaling for outgoing UDP
SIP messages. When symmetric UDP is enabled, the IP phone generates
and listens for UDP messages using port 5060.If symmetric UDP signaling
is disabled, the phone sends from random ports but it listens on the con-
figured SIP local port.
For more information, see Chapter 4, “SIP and TLS Source Ports for NAT
Traversal” on page4-27.
Local SIP TLS Port sip local tls port Specifies the local source port (SIPS/TLS) from which the phone sends SIP
messages.
Notes:
• It is recommended that you avoid the conflict with any TCP ports being
used. For example: WebUI HTTP server on 80/tcp and HTTPS on 443/tcp.
• By default, the IP phones use symmetric TLS signaling for outgoing TLS
SIP messages. When symmetric TLS is enabled, the IP phone uses port
5061 as the persistent TLS connection source port. When symmetric TLS
signaling is disabled, the IP phone chooses a random persistent TLS con-
nection source port for TLS messages from the TCP range (i.e.
49152...65535) after each reboot regardless of whether the parameter
“sip outbound support” is enabled or disabled.
For more information, see Chapter 4, “SIP and TLS Source Ports for NAT
Traversal” on page4-27.
Registration Failed Retry Timer sip registration retry timer Specifies the time, in seconds, that the phone waits between registration
attempts when a registration is rejected by the registrar.
For more information, see Chapter 4, “Advanced SIP Settings (optional)” on
page4-69.
Registration Timeout Retry Timer sip registration timeout retry timer Specifies the length of time, in seconds, that the phone waits until it re-
attempts to register after a REGISTER message times out.
If this parameter is set lower than 30 seconds, the phone uses a minimum
timer of 30 seconds.
For more information, see Chapter 4, “Advanced SIP Settings (optional)” on
page4-69.
Parameter in
Aastra Web UI
Parameters in Configuration Files Description
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