Snom HD100 - Page 71

SIP Phone Configuration Guide
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Description:
Enables or disables STUN (Simple Traversal of UDP through NATs) for account 1.
STUN enables clients, each behind a firewall, to establish calls via a service provider
hosted outside of either local network.
Values:
0 (disabled), 1 (enabled)
Default:
0
Setting:
sip_account.x.nat_traversal_stun_server_address
Description:
Sets the STUN server IP address.
Values:
IPv4, IPv6 or FQDN
Default:
Blank
Setting:
sip_account.x.nat_traversal_stun_server_port
Description:
Sets the STUN server port.
Values:
1-65535
Default:
3478
Setting:
sip_account.x.nat_traversal_stun_keep_alive_enable
Description:
Enables or disables UDP keep-alives. Keep-alive packets are used to maintain
connections established through NAT.
Values:
0 (disabled), 1 (enabled)
Default:
1
Setting:
sip_account.x.nat_traversal_stun_keep_alive_interval
Description:
Sets the interval (in seconds) for sending UDP keep-alives.
Values:
0-65535
Default:
30
Setting:
sip_account.x.keep_alive_enable
Description:
Enable SIP keep alive for NAT traversal and monitoring SIP server status.
Values:
0 (disabled),
1 (enabled)
Default:
0
Setting:
sip_account.x.keep_alive_interval
Description:
Sets the interval (in seconds) for sending keep-alives.
Values:
1-3600
Default:
15