Multi-Tech Systems MVP210-SS User Manual download pdf (Page 216)

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101

T1 Phonebook Configuration MultiVOIP User Guide

216

Alternate Routing Field Definitions

Field

Name

Values Description

Alternate

Address

n.n.n.n

where

n= 0-255

Alternate destination for outbound data traffic

in case of excessive delay in data transmission.

Round

Trip

Delay

milliseconds The Round Trip Delay is the criterion for

judging when a data pathway is considered

blocked. When the delay exceeds the

threshold specified here, the data stream will

be diverted to the alternate destination

specified as the Alternate IP Address.

The Alternate Routing function facilitates PSTN Failover protection, that is, it allows

you to re-route voip calls automatically over the PSTN if the voip system fails. The

MultiVOIP can be programmed to respond to excessive delays in the transmission of

voice packets, which the MultiVOIP interprets as a failure of the IP network. Upon

detecting an excessive delay in transmission of voice packets (overly high “latency”

in the network) the MultiVOIP diverts the call to another IP address, which itself is

connected to the PSTN (for example, via an FXO port on the self-same MultiVOIP

could be connected to the PSTN).

NETWORK

FXS

FXO

VOIP

PBX

PSTN Line

1. Call originates.

2. IP network fails.

3. Call diverts to

Alt IP address in voip

accessing PSTN line.

4. Call completed

via PSTN.

PSTN Failover Feature. The MultiVOIP can be programmed to divert calls to the

PSTN temporarily in case the IP network fails.

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