Specifications

VSP600/VSP601 Administrator and Provisioning Manual
76 Appendix A: Configuration File Settings
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.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: Text string 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_udp_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: 0
Setting:
sip_account.x.nat_traversal_udp_keep_alive_interval
Description: Sets the interval (in seconds) for sending UDP keep-alives.
Values: 0–65535 Default: 30