AddPac VoiceFinder AP2120 Bedienungsanleitung PDF herunterladen (Seite 144)

2004 AddPac Solution Guide May 2004

AddPac Technology Proprietary & Documentation 157 - 144

With the assumption that the same telephone numbering plan is requested for

the VoIP network.

y What is the current numbering plan?

y What is the call scenario? (Ex: between main and local offices, between

local offices, main office to outside, local office to outside, within a local

office, interoperating with the cal center.)

What is the current PSTN trunk and office line numbering plan? 6

To replay or to backup exiting PSTN service, pay close attention to existing

telephony service and requirements.

What kind of PBX/PABX is deployed on the existing network?

( )

Requires data on existing PSTN equipment

y The PBX type, capacity, lines, status of the main office.

y The supported interfaces at the main office. (Digital E1, Digital T1, FXS, FXO,

E&M)

y The Key Phone system types, lines, interfaces at the local offices. (FXS, FXO,

E&M)

8 The status of Fax transmission network

y What is the number of Fax nodes between the main and local offices?

VoIP Network Environment

What is the current voice network?

PSTN VoTDM, MUX VoFR, FRAD VoIP    T/D level Leased Line

y The opinion on utilizing portion of exiting TD Leased line for data as for VoIP

service.

y The opinion on utilizing VoIP as the backup network of existing voice service.

What is the Internet telephony equipment required?

VoIP  Gateway IP  Phone/Video Phone Others( )

Typically, VoIP gateway is deployed to keep the current network environment

and utilizing existing network equipment.

How many ports of VoIP gateway is required?

Main: Under 30 ports  Under 60 ports  Under 120 ports  Under 240 ports

Others( ports)

Local: Under 4 port  Under 8 port  Under 30 ports Under 60 ports 

Others( ports)

Consider the call scenario between the main and local offices.

How many concurrent calls are requested between the main and local offices?

12 What is the currently deployed VoIP supplementary services?

 IP broadcasting FAX  broadcasting  Call center VRS(Voice Recording 

System) IVR(Interactive Voice Respons e)  Others( )

What is the key considerations of introducing VoIP network?

Voice Cost-effectiveness Security Management Interoperability

Others( )

y What is the expectation on the quality of the voice?

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