Page History

Panel

In this section:

Table of Contents

In a hosted IP communications services model,

Spacevars

0	product

is deployed both at the Service Provider and the enterprise network for security and control.

The

Spacevars

0	product

deployed in the Service Provider network secures controls and segregate Service Provider infrastructure whereas the

Spacevars

0	product

deployed in an Enterprise network controls and safeguards the SIP trunking border that connects the enterprise and service provider. Also the

Spacevars

0	product

's normalization features help Enterprises avoid hosted service interoperability issues.

Caption

0	Figure
1	Hosted Enterprise IP Communication Services

Image Modified

Note
The example graphic depicts SBC 5000 series, but all the platforms are supported.

SBC in a Carrier-hosted IP-PBX

Caption

0	Figure
1	Carrier-Hosted IP-PBX

Image Modified

The

Spacevars

0	product

facilitates the registration of user equipment (UEs) located on the enterprise network to an IP-PBX in the carrier network.

An enterprise
Spacevars
0 product
can sometimes exhibit characteristics that are similar to Access/UNI
Spacevars
0 product
and other times more like a Trunking/NNI
Spacevars
0 product
.
The enterprise may implement
Spacevars
0 product
capability on their network.
Enterprise may have multiple business locations, these may need to be treated differently from a policy perspective.
Users may be on a VPN from any internet access location.

UEs located on the enterprise network are configured to register via an
Spacevars
0 product
to an hosted IP-PBX in the carrier network.
In this configuration
Spacevars
0 product
acts in a manner similar to other access/IAD cases. However, there may be additional interoperability considerations with various vendors equipment.
The IP-PBX acts like a small AS, accepting registration from endpoints and offering services/features. Carrier may virtualize a PBX and support multiple customers on the same system.

Pagebreak