Table of Contents
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Local UDP Port
The Local UDP Port defines the port, normally 5060, that the phone uses to send and receive SIP signaling
packets. In some instances, particularly when behind a firewall, port 5060 may already be in use or
problematic with SIP aware routers.
To change the Local UDP Port:
•
Press the
button, then select 2. SIP Configuration, then 6. Local UDP Port.
•
Input the Local UDP Port using the dial pad and press the OK
softkey to save your entry.
Changing the Local UDP Port requires a reboot of the IP phone.
RTP Start Port
When a SIP call is established, Real-Time Transport Protocol (RTP) packets transport media (voice). The
default port used for RTP packets is 23000.
To change an RTP Start Port:
•
Press the
button, then select 2. SIP Configuration, then 7. RTP Start Port.
•
Input the RTP Start Port using the dial pad and press the OK softkey
to save your entry.
Changing the RTP Start Port requires a reboot of the IP phone.
Proxy Registration
If Proxy Registration is set to Yes, the phone will register with the appropriate SIP or proxy server upon
initial power-up, during a reboot and at periodic intervals based on the timer defined by the server.
To enable Proxy Registration:
•
Press the
button, then select 2. SIP Configuration, then 8. Proxy Registration.
•
To enable registration, press the Yes softkey. To disable SIP
registration, press the No softkey.
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F O R T I F O N E - 4 5 0 i A N D F O R T I F O N E - 5 5 0 i T E L E P H O N E U S E R G U I D E
FortiFone-550i screen
FortiFone-550i screen
FortiFone-550i screen
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Table of Contents
Troubleshooting
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