Polycom SoundPoint IP 200W User Manual page 37

There are five selections to choose from:
Selection
Configuration 1
Configuration 2
Configuration 3
Configuration 4
Manual
DHCP
This option allows you to configure DHCP
TFTP Boot Server settings. There are three
selections to choose from.
Selection
Boot Server
Boot Server Option
Boot Server Type
Description
Select this option when the SIP phone is located behind a router.
Select this option when the SIP phone is located behind a sym-
metric router.
Select this option to utilize the router's SIP aware capabilities when
the SIP phone has a public IP address or is located behind a SIP
aware router.
Select this option to utilize the router's SIP aware capabilities when
the SIP phone is located behind a SIP aware router.
Manually configure STUN and RPORT settings:
•
STUN Mode - Allows you to enable the SoundPoint IP 200W
to communicate through your router. STUN is used to detect
whether NAT is being used by your router, and ensures that the
SoundPoint IP 200W can determine which IP address has been
allocated to the SoundPoint IP 200W by the router. This infor-
mation is forwarded to the Internet Telephony Service Provider.
•
STUN keep alive - Specifies the interval for sending out packets
to maintain the connection between the gateway and the IP
network.
•
RPORT Mode - Enables RPORT mode.
•
SIP Port - Specifies the SIP port used for RPORT.
Description
•
Option 66 - Obtain boot server location through DHCP
option 66.
•
Custom - Obtain boot server location through DHCP custom
option.
•
Static - Obtain boot server from static entry.
•
Custom+Opt.66 - Obtain boot server from DHCP Custom op-
tion, then DHCP option 66, then static entry.
Specifies which DHCP Custom Option number is used.
•
IP address - IP address of the boot server.
•
String - String value.
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