Configuration File Parameter Guide
147
VSP726 Administrator and Provisioning Manual
Setting:
sip_account.x.mwi_ignore_unsolicited
Description:
Enables or disables ignoring of unsolicited MWI notifications—
notifications in addition to, or instead of, SUBSCRIBE and NOTIFY
methods—for account x. Disable if MWI service is configured on the
voicemail server and does not involve a subscription to a voicemail
server.
Values:
0 (disabled), 1 (enabled)
Default:
0
Setting:
sip_account.x.stutter_dial_tone_enable
Description:
Enables or disables MWI stutter dial tone for account x.
Values:
0 (disabled), 1 (enabled)
Default:
1
Setting:
sip_account.x.nat_traversal_stun_enable
Description:
Enables or disables STUN (Simple Traversal of UDP through NATs) for
account x. 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 STUN 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 keep-alives.
Values:
0–65535
Default:
30
