3-29
Cisco SIP IP Phone Administrator Guide
Chapter 3 Managing Cisco SIP IP Phones
Modifying the Phone’s SIP Settings
Step 9
When done, press the Save soft key to save your changes and exit the SIP Configuration menu.
Caution
When you have completed your changes, ensure that you lock the phone as described in the
“Locking
Configuration Mode” section on page 3-2
.
Start Media Port
Optional
The start RTP range for media. Default is 16,384. Valid values are 16,384
to 32,766.
End Media Port
Optional
The end RTP range for media. Default is 32,766. Valid values are 16,384
to 32,766.
Backup Proxy
Optional
IP address of the backup proxy server or gateway. Enter this address in IP
dotted-decimal notation.
Backup Proxy Port
Optional
Port number of the backup proxy server. Default is 5060.
Emergency Proxy
Optional
IP address of the emergency proxy server or gateway. Enter this address
in IP dotted-decimal notation.
Emergency Proxy Port
Optional
Port number of the emergency proxy. Default is 5060.
Outbound Proxy
Optional
The IP address of the outbound proxy server. You can use either a dotted
IP address or a DNS name (A record only).
Outbound Proxy Port
Optional
The port number of the outbound proxy server. The default is 5060.
NAT Enabled
Optional
Choose No to disable NAT and Yes to enable NAT.
NAT Address
Optional
The WAN IP address of the NAT or firewall server. You can use either a
dotted IP address or a DNS name (A record only).
Table 3-6
Additional SIP Configuration Parameters (continued)
Parameter
Required or Optional
