Multi-Tech Systems MVP103, 410 manual Call Mode

Chapter 3 – Related MultiVOIP Setup Parameters

		Network Parameter Definitions (cont’d)
Field Name	Values	Description
Call Mode
Direct Mode		Sets the call mode to direct. In this mode, terminals send ARQ messages
		to the Gatekeeper, but pass the call signaling and media control
		signaling directly between them.
Routed		Sets the call mode to routed. In this mode, terminals pass admission
Mode		requests and call signaling through the Gatekeeper. Media control
		information is sent directly between the terminals.
		Note: Though direct calls consume fewer Gatekeeper resources, call
		control is better for indirect (or routed) calls.
Configuration
Parameters
Max		The maximum number of concurrent calls allowed in the zone. This
Number of		number is fixed to 5, 10, or 15 call for MVP210-AV, MVP410-AV, and
Calls		MVP810 models respectively.
Max Total		The amount of bandwidth in Kbps that call traffic can consume at any
BW (KBps)		given time.
Registration		Registration Timeout. Sets the number of hours of inactivity after
TO (hrs)		which the dynamic registration of a terminal expires. Only the dynamic
		(online) properties will be unregistered. If the endpoint is also static
		(predefined), the static properties remain valid.
IRQ Interval		The interval, in seconds, between IRQ messages sent by the Gatekeeper. IRQ
(sec)		messages are sent to all online endpoints registered as dynamic in order to
		verify that the endpoints are online. The number you set determines the delay
		between two IRQ messages to the same endpoint. Choosing the desired delay
		should take into account the following factors:
		• IRQ messages add to the traffic already present over the network, and the
		shorter the delay, the more IRQ messages are sent. However, the longer the
		delay, the longer it takes for the Gatekeeper to detect dynamic registrations
		that have ceased to be online.
		• The delay parameter relates to the interval between two IRQ messages per
		one endpoint, so the actual number of the IRQ messages the Gatekeeper
		creates during this interval should be multiplied by the number of
		endpoints registered dynamically.
		• To disable the IRQ polling, set this value to zero.
		• The effective IRQ interval cannot fall below three times the RAS timeout.
		• IRQ messages will not be sent at a rate exceeding 20 per second.

Multi-Tech Systems, Inc. Avaya Communication Manager Guide 61