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“A TDM to VoIP

Migration Strategy is

Necessary to Address the

Small-Medium Business

Customer”

By Dennis Gatens, CTO Converged Access,

Carrier Access Corporation

With the accelerating evolution of the global

voice communications infrastructure from

TDM to IP, the importance of a well-planned,

detailed TDM to VoIP migration strategy for

hosted services cannot be overlooked.

Whether the service is branded as a VoIP

service, or transparent to the Small-Medium

Business (SMB) customer, there are

considerations for both the customer and

service provider. Today, integrated T1

services offer the SMB customer a bundled

service for both TDM voice and IP data.

However, it is not a converged IP service;

thus the advantages of VoIP and a converged

IP service offering are not realized.

Advantages include: 1) a shared bandwidth

resource that provide statistical multiplexing

efficiencies for voice, 2) simplified move, add

and changes (MAC), and 3) the integration of

business applications such as voice mail,

billing systems and email. With a converged

IP service offering there is the opportunity

to offer new services that enable customer

retention and new revenue generation.

Additionally, the service provider with a

migration offering can realize reduced capital

expense and minimized service disruption.

The importance of a planned network and

service migration, from both the service

provider and customer’s perspective, cannot

be underestimated. Key areas for consideration

include: Provisioning and operation of a

converged IP service; Capital investment

protection; QoS requirements; Network

element interoperability; Sales team and

technician training; VoIP peering.

The effort towards network readiness of

a converged IP infrastructure and service

offering should be transparent to a customer’s

existing service experience. But once the

customer is involved it is critical that the

impact to service is minimized.

Preserving the existing equipment at the

SMB customer site(s), to the greatest extent

possible, contributes to profits, minimizes

the capital expense and service disruption

to migrate a customer’s service. Minimizing

service disruption and perceived concerns

associated with a new technology will be a

positive factor for SMBs making a service

provider selection. The Adit 600 enables such

a cost-effective migration.

With an installed base of 80,000+ units, the

Adit 600 is widely accepted as the stan-

dard for carrier class multi-service terminals.

The Adit® 600 CMG module enables high-

capacity converged IP service delivery with

multi-T1/E1 (or Ethernet) WAN access while

supporting a TDM to IP migration strategy

for service providers and the small-medium

business customer. Scalable to 40 analog ports

to address SMB, central office and MTU/

MDU applications, the Adit 600 delivers car-

rier-class hosted PBX and IP Centrex plus

data services. The Adit 600’s unique ability

to simultaneously support traditional TDM

and IP infrastructures enables a planned and

seamless migration to IP voice, video, and

data services, while preserving investments

in existing infrastructure. Field proven with

extensive interoperability experience, Carrier

Access and our industry-leading gateway,

softswitch and solution partners work together

to deliver a seamless migration to access

advanced IP services.

Case Study: A Successful Migration

TDS, a strategic Carrier Access customer,

with an installed base of thousands of Adit

600 platforms that are configured with CMG

modules, is close to flipping the switch from

integrated T1 to converged IP services. TDS

understood the value of the Adit 600 migration

capabilities when it began deployment to

deliver integrated T1 voice and data services

with the CMG configured as a router only.

Very soon, with a software download,

deployed Adit 600s will be re-configured

as converged IP business gateways. Their

network migration follows a period of

network planning, platform evaluation, and

interoperability and performance testing to

insure that the transition is as seamless as

possible.

Walker and Associates

Award Winners Receive

Recognition

The annual Walker Holiday Dinner was held on December

11th, 2006 at the largest state-of-the-art winery in North

Carolina, Childress Vineyards. The night was centered

on recognizing Walker’s associates for their hard work

throughout the year.

Two Sales awards were presented by Tom Kane, VP of Sales,

and Scott Stoll, Director of Inside Sales. The Secondary

Market Performance Award went to Brandi Greene. The

Inside Salesperson of the year went to Debbie Stogner.

Mark and Rick Walker presented the next two awards.

Winners were nominated by their colleagues, and nal

decisions were made by Walker’s Board of Directors.

The “Al Stokes Customer Care Award” went to Heath

Robertson, the company’s Systems Administrator. The

“Chris Walker Award”, presented in memory of the founder

of Walker and Associates, went to Randy Turner, Marketing

Communications Manager.

Debbie Stogner receives the Inside

Salesperson of the Year Award

Heath Robertson

receives a

standing ovation

from his peers

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