Cisco IE-3000-8TC Administration Guide - Page 46

SIP Trunking

Page 46 highlights

Components of the Cisco Business Edition 3000 System 5 In a clear call scenario, such as the updating of phones or PSTN connections on the SPA8800 gateway, Cisco IP Phones with active PSTN calls receive a fast busy tone when a corresponding active FXO line is cleared. SIP Trunking In the Cisco Business Edition 3000, the SIP trunk serves as a connection to the SIP service provider network for PSTN connectivity. To interact with the SIP trunk connection, the Cisco Business Edition 3000 requires SBE (Session Border Elements) to provide security, topology hiding, and ALG (Application Level Gateway) functionalities. To achieve SIP trunking, use the following operations: • Provision Cisco Business Edition 3000 to interact with the SBE. You can achieve this by the installation of Connection Packs, and by adding the SIP trunk connection through Cisco Business Edition 3000 Administrative Interface. For information on connection packs, see Connection Pack, on page 28. • Provision SBE to interact with Cisco Business Edition 3000. You can achieve this using the configurations provided by the service provider. • Provision SBE to interact with the service provider. You can manage this using the service provider. The following list describes the different types of SIP trunk connections that are used with Cisco Business Edition 3000: • Standard Cisco SIP trunk connection - SIP trunk is connected to the service provider through the Cisco Unified Border Element (CUBE) on Cisco ISR8xx Series (Integrated Services Router). The parameters on the Cisco Business Edition 3000 for the SIP trunk connection are preconfigured to support general SIP trunk functionalities. Note Cisco TAC provides support for Cisco Unified Border Element (CUBE) only. For other sessions, contact your service providers. • Service Provider SIP trunk connection - SIP trunk is connected to the service provider through other SBEs. The parameters of the Cisco Business Edition 3000 SIP trunk connection is preconfigured based on the inter-operational tests with specific service provider. The service provider for provisioning is available after the installation of the SIP trunk connection pack that is customized for the service provider. If the Cisco Business Edition 3000 deployment requires SIP trunk connection in your site, deploy an SBE in the site to route PSTN calls. This SIP trunk connection can also be used to route the PSTN calls from other sites. Cisco Business Edition 3000 also supports multiple SIP trunks to the service provider through a single or multiple session border elements. Note If a remote site needs to deploy a SIP trunk connection to its local SIP service provider, deploy a session border element on the remote site, rather than using the SIP trunk on the central site. The SIP trunk configured on the central site can also be used. Administration Guide for Cisco Business Edition 3000, Release 8.6(4) 26 OL-27022-01

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5
In a clear call scenario, such as the updating of phones or PSTN connections on the SPA8800 gateway,
Cisco IP Phones with active PSTN calls receive a fast busy tone when a corresponding active FXO line
is cleared.
SIP Trunking
In the Cisco Business Edition 3000, the SIP trunk serves as a connection to the SIP service provider network
for PSTN connectivity. To interact with the SIP trunk connection, the Cisco Business Edition 3000 requires
SBE (Session Border Elements) to provide security, topology hiding, and ALG (Application Level Gateway)
functionalities.
To achieve SIP trunking, use the following operations:
• Provision Cisco Business Edition 3000 to interact with the SBE. You can achieve this by the installation
of Connection Packs, and by adding the SIP trunk connection through Cisco Business Edition 3000
Administrative Interface.
For information on connection packs, see
Connection Pack, on page 28
.
• Provision SBE to interact with Cisco Business Edition 3000. You can achieve this using the configurations
provided by the service provider.
• Provision SBE to interact with the service provider. You can manage this using the service provider.
The following list describes the different types of SIP trunk connections that are used with Cisco Business
Edition 3000:
• Standard Cisco SIP trunk connection - SIP trunk is connected to the service provider through the Cisco
Unified Border Element (CUBE) on Cisco ISR8xx Series (Integrated Services Router). The parameters
on the Cisco Business Edition 3000 for the SIP trunk connection are preconfigured to support general
SIP trunk functionalities.
Cisco TAC provides support for Cisco Unified Border Element (CUBE) only. For other
sessions, contact your service providers.
Note
• Service Provider SIP trunk connection - SIP trunk is connected to the service provider through other
SBEs. The parameters of the Cisco Business Edition 3000 SIP trunk connection is preconfigured based
on the inter-operational tests with specific service provider. The service provider for provisioning is
available after the installation of the SIP trunk connection pack that is customized for the service provider.
If the Cisco Business Edition 3000 deployment requires SIP trunk connection in your site, deploy an SBE in
the site to route PSTN calls. This SIP trunk connection can also be used to route the PSTN calls from other
sites.
Cisco Business Edition 3000 also supports multiple SIP trunks to the service provider through a single or
multiple session border elements.
If a remote site needs to deploy a SIP trunk connection to its local SIP service provider, deploy a session
border element on the remote site, rather than using the SIP trunk on the central site. The SIP trunk
configured on the central site can also be used.
Note
Administration Guide for Cisco Business Edition 3000, Release 8.6(4)
26
OL-27022-01
Components of the Cisco Business Edition 3000 System