Aastra 6730i Administrator's Manual page 176

Network Settings
Configuring SIP and TLS Source Ports Using the Aastra Web UI
Use the following procedure to configure SIP and TLS source ports using the Aastra Web UI.
Aastra Web UI
1. Click on Advanced Settings->Global SIP->Advanced SIP Settings.
2. The "Local SIP UDP/TCP Port" field has a default value of 5060. Change this value if required to a value greater than 1024 and less than
65535.
Note:
It is recommended that you avoid the conflict RTP port range in case of a UDP transport.
3. The "Local SIP TLS Port" field has a default value of 5061. Change this value if required to a value greater than 1024 and less than 65535.
Note:
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.
4. Click Save Settings to save your changes.
STUN and TURN Protocols
The IP phones support the following audio-path NAT Traversal features:
• Simple Traversal of User Datagram Protocol (UDP) through Network Address Translation (NAT) or also known as
STUN (RFC 3489)
and
• Traversal Using Relay NAT or also known as TURN
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