VP-12, VP-12P IP phones. Operation manual
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Additional SIP Properties
•
SIP Domain
– domain where the device is located (fill in, if needed).
•
Use Domain to Register
–
when selected, apply SIP domain for registration (SIP domain will be inserted
into the 'Request-Line' of 'Register' requests).
•
Outbound Mode:
•
Off
– calls will be routed according to the dialplan;
•
Outbound
– dialplan is required for outgoing communications; however, all calls will be routed via
SIP server; if there is no registration, PBX response will be sent to the subscriber in order to enable
subscriber service management (VAS management);
•
Outbound with «Busy»
– dialplan is required for outgoing communications; however, all calls will
be routed via SIP server; if there is no registration, VoIP will be unavailable – error tone will be
transmitted to the phone headset.
•
Expires
– time for subscriber port registration on SIP server. At the average, port registration renewal will
be performed after 2/3 of the specified period.
•
Registration Retry Interval
– when the registration is unsuccessful, time period between SIP server
registration attempts.
•
STUN Enable
–
when checked, STUN (Session Traversal Utilities for NAT) protocol is used for public
address of the device definition (external NAT address).
