ADTRAN ESBC Manuale utente

6AOSSG0027-42A

June 2015

Interoperability Guide

Integrating an ADTRAN eSBC with an

NEC SV8100

This interoperability guide provides instructions for integrating an

ADTRAN enterprise session border controller (eSBC) and the NEC

SV8100 private branch exchange (PBX) using a Session Initiation

Protocol (SIP) trunk to provide a connection to the service provider

network. This guide includes the description of the network application,

verification summary, and example individual device configurations for

the ADTRAN eSBC and the NEC SV8100 PBX products.

This guide consists of the following sections:

•Overview on page 2

•Interoperability on page 2

•Hardware and Software Requirements and Limitations on page 3

•Configuring the ADTRAN eSBC on page 4

•ADTRAN eSBC Sample Configuration on page 9

•Configuring the NEC SV8100 on page 10

•Additional Resources on page 22

Integrating ADTRAN eSBC and NEC SV8100 Overview

Overview

Service providers are increasingly using SIP trunks to provide Voice over IP (VoIP) services to customers.

ADTRAN eSBC products provide features that normalize the SIP signaling and media between the

customer’s PBX and the service provider’s SBC and softswitch server. In this application, the ADTRAN

eSBC gateway operates as a SIP back-to-back user agent (B2BUA). One Ethernet interface on the

ADTRAN eSBC provides the wide area network (WAN) connection to the service provider network and

terminates the service provider SIP trunk. A second Ethernet interface connects the customer’s local area

network (LAN) and provides a SIP trunk connection to the IP PBX for VoIP applications. Figure 1

illustrates the use of the ADTRAN eSBC in a typical network deployment.

Service

Provider

Public Network Local Network

SIP SIP

ADTRAN eSBC IP PBX

Figure 1. ADTRAN eSBC in the Network

Interoperability

The network topology shown in Figure 2 on page 3 was used for interoperability verification between the

ADTRAN eSBC and the NEC SV8100. The configuration is a typical SIP trunking application, in which

the ADTRAN eSBC gateway Ethernet interface provides the Ethernet WAN connection to the service

provider network. It should be noted that the WAN connection is not limited to Ethernet. A second

Ethernet interface connects to the customer LAN. The NEC SV8100 connects to the customer LAN. Two

SIP trunks are configured on the ADTRAN eSBC gateway: one to the service provider SIP network and

the second to the NEC SV8100. TheADTRAN eSBC gateway operates as a SIP B2BUA, and outbound

and inbound calls to the public switched telephone network (PSTN) are routed through the ADTRAN

eSBC.

The NEC SV8100 supports various phone types, including digital, H.323, and SIP IP phones. The phones

the ADTRAN eSBC gateway.

Service

Provider

NEC DT700

NEC SV8100

ADTRAN eSBC

Total Acess 908e

NetVanta 1534P

PoE Switch

NEC DT700

NEC PCPro Management

WAN Eth 0/1

LAN Eth 0/2

Integrating ADTRAN eSBC and NEC SV8100 Hardware and Software Requirements and Limitations

Figure 2. Network Topology for Verification

Hardware and Software Requirements and Limitations

Interoperability with the NEC SV8100 PBX is available on ADTRAN products with the eSBC feature

code as outlined in the AOS Feature Matrix, available online at ADTRAN’s Support Forum,

https://supportforums.adtran.com. The test equipment, testing parameters, and associated caveats are

described in the following sections.

Integrating ADTRAN eSBC and NEC SV8100 Configuring the ADTRAN eSBC

Equipment and Versions

The following table outlines the equipment and firmware versions used in verification testing.

Product Firmware Version

Configuring the ADTRAN eSBC

The following sections describe the key configuration settings required for this solution. These settings are

implemented using the ADTRAN Operating System (AOS) command line interface (CLI).

To configure the ADTRAN eSBC for interoperability with the NEC SV8100 PBX, follow these steps:

•Step 1: Access the eSBC CLI on page 4

•Step 2: Configure the Basic Network Settings on page 5

•Step 3: Configure Global Voice Modes for Local Handling on page 6

•Step 4: Enable Media Anchoring on page 6

•Step 5: Configure the Service Provider SIP Trunk on page 6

•Step 6: Configure the PBX SIP Trunk on page 6

•Step 7: Configure a Trunk Group for the Service Provider on page 7

•Step 8: Configure a Trunk Group for the NEC SV8100 on page 8

•Step 9: Configure the Double reINVITE Preference on page 8

•Step 10: Configure SIP Privacy (Optional) on page 9

Step 1: Access the eSBC CLI

The AOS unit can be managed using the console port, Hypertext Transfer Protocol (HTTP), HTTP Secure

(HTTPS), Telnet, and Secure Shell (SSH). Most of the initial configuration is performed through the

console port or Telnet session. Accessing the AOS unit is described in this step.

To access the CLI on your AOS unit, follow these steps:

1. Boot up the unit.

2. Telnet to the unit (telnet <ip address>), for example:

telnet 10.10.10.1.

Table 1. Verification Test Equipment and Firmware Versions

ADTRAN Total Access 908e with eSBC R10.9.6

NEC SV8100 PBX 06.00

NEC PCPro Management Software 1.03.0n.pipk

NEC DT700 IP Phone, ITL-6DE-1 5.0.3.0

NEC DT700 IP Phone, ITL-12D-1 5.0.2.0

NEC DT700 IP Phone, ITL-320C-2 5.0.2.0

Integrating ADTRAN eSBC and NEC SV8100 Configuring the ADTRAN eSBC

3. Enter your user name and password at the prompt.

4. Enable your unit by entering enable at the prompt as follows:

>enable

5. If configured, enter your Enable mode password at the prompt.

6. Enter the unit’s Global Configuration mode as follows:

#configure terminal

(config)#

Step 2: Configure the Basic Network Settings

Basic network configuration includes setting up two Ethernet interfaces, one for the Ethernet LAN

interface to the NEC SV8100, and the second for the Ethernet WAN interface to the service provider. Both

interfaces are configured using the ip address <ipv4 address> <subnet mask> and media-gateway ip

primary commands. The ip address command configures a static IPv4 address for the interface, and the

media-gateway command is required on the interface for SIP and Realtime Transport Protocol (RTP)

media traffic.

Enter the commands from the Ethernet interface configuration mode as follows:

For the WAN:

(config)#interface ethernet 0/1

(config-eth 0/1)#description WAN

(config-eth 0/1)#ip address 203.0.113.2 255.255.255.252

(config-eth 0/1)#media-gateway ip primary

(config-eth 0/1)#no shutdown

For the LAN:

(config)#interface ethernet 0/2

(config-eth 0/2)#description LAN

(config-eth 0/2)#ip address 192.168.1.1 255.255.255.0

(config-eth 0/2)#media-gateway ip primary

(config-eth 0/2)#no shutdown

If during the unit’s setup process you have changed the default IP address (10.10.10.1),

use the configured IP address.

The AOS default user name is admin and the default password is password. The default

enable password is password. If your product no longer has the default user name and

passwords, contact your system administrator for the appropriate user name and

passwords.

When configuring the basic network settings, use the IP address information supplied by

the service provider.

Integrating ADTRAN eSBC and NEC SV8100 Configuring the ADTRAN eSBC

Step 3: Configure Global Voice Modes for Local Handling

Configure theADTRAN eSBC to use the local mode for call forwarding and transfer handling. By default,

both of these functions are handled by the network. To change these settings, use the voice transfer-mode

local and voice forward-mode local commands. Enter these commands from the Global Configuration

mode. By using the local parameter, both commands specify allowing the unit to handle call forwarding

and transfers locally.

Enter the commands as follows:

(config)#voice transfer-mode local

(config)#voice forward-mode local

Step 4: Enable Media Anchoring

Media anchoring is an eSBC feature that forces RTP traffic through theADTRAN eSBC gateway.

Minimum configuration for media anchoring includes enabling the feature using the ip rtp

media-anchoring command from the Global Configuration mode. The RTP symmetric filter works in

conjunction with media anchoring to filter nonsymmetric RTP packets. The RTP symmetric filter is

enabled using the ip rtp symmetric-filter command.

Enter the commands as follows:

(config)#ip rtp media-anchoring

(config)#ip rtp symmetric-filter

Step 5: Configure the Service Provider SIP Trunk

The first of two voice trunks that must be configured is the SIP trunk to the service provider from the

ADTRAN eSBC. Check with your service provider for any specific requirements beyond those listed in

this document. Your service provider will provide you with the IP addresses or fully qualified domain

name (FQDN) and possibly the port numbers for their SIP server. They may also provide a backup or

secondary SIP server.

The voice trunk <Txx> type sip command is used to define a new SIP trunk and activate the Voice Trunk

Configuration mode for the trunk. From the Voice Trunk Configuration mode, you can provide a

descriptive name for the trunk and define the IP address (or host name) of the SIP server. The description

<text> command is used to label the trunk. The sip-server primary <ip address | hostname> command

is used to define the host name or IP address of the primary server to which the trunk sends SIP messages.

Enter the commands as follows:

(config)#voice trunk T01 type sip

(config-T01)#description PROVIDER

(config-T01)#sip-server primary sip.example.com

Step 6: Configure the PBX SIP Trunk

The second voice trunk that must be configured is the SIP trunk to the NEC SV8100 from the ADTRAN

eSBC. The voice trunk <Txx> type sip command is used to define a new SIP trunk and activate the Voice

Trunk Configuration mode for the individual trunk. From the Voice Trunk Configuration mode, you can

provide a descriptive name for the trunk and define the IP address (or host name) of the PBX. The

description <text> command is used to label the trunk. The sip-server-primary <ip address | hostname>

command is used to set the server address to the NEC SV8100 LAN IP address.

Integrating ADTRAN eSBC and NEC SV8100 Configuring the ADTRAN eSBC

In addition, the NEC SV8100 must control call transfers. This is accomplished using the

transfer-mode-network command in the trunk’s configuration. The grammar from host local command

is used to specify that the IP address of the interface is used in the SIP From header for outbound messages.

Enter the commands as follows:

(config)#voice trunk T11 type sip

(config-T11)#description PBX

(config-T11)#sip-server primary 192.168.1.2

(config-T11)#transfer-mode network

(config-T11)#grammar from host local

Step 7: Configure a Trunk Group for the Service Provider

After configuring the two SIP trunks, configure an individual trunk group for the service provider trunk

account. The previously created trunks are added to the trunk group, which is then used to assign outbound

call destinations (local calls, long distance calls, etc.). A cost is also assigned to each accept template in

the trunk group.

Use the voice grouped-trunk <name> command to create a trunk group and to enter the Voice Trunk

Group Configuration mode. The trunk <Txx> command adds an existing trunk to the trunk group, so that

outbound calls can be placed out that particular trunk. The <Txx> parameter specifies the trunk identity

where xx is the trunk ID number.

Use the accept <pattern> command to specify number patterns that are accepted for routing calls out of

the trunk. Use the no form of this command to remove a configured dial pattern. The <pattern> parameter

is specified by entering a complete phone number or using wildcards to help define accepted numbers.

Valid characters for templates are as follows:

0 - 9 Match the exact digit(s) only

XMatch any single digit 0 through 9

NMatch any single digit 2 through 9

MMatch any single digit 1 through 8

$Match any number string dialed

[] Match any digit in the list within the brackets (for example, [1,4,6])

,() Formatting characters that are ignored but allowed

-Use within brackets to specify a range, otherwise ignored

The following are example template entries using wildcards:

1) NXX-XXXX Match any 7-digit number beginning with 2 through 9

2) 1-NXX-NXX-XXXX Match any number with a leading 1, then 2 through 9, then any 2 digits,

then 2 through 9, then any 6 digits

3) 555-XXXX Match any 7-digit number beginning with 555

4) XXXX$ Match any number with at least 5 digits

5) [7,8]$ Match any number beginning with 7 or 8

6) 1234 Match exactly 1234

Integrating ADTRAN eSBC and NEC SV8100 Configuring the ADTRAN eSBC

Some template number rules:

1. All brackets must be closed with no nesting of brackets and no wildcards within the brackets.

2. All brackets can hold digits and commas, for example: [1239]; [1,2,3,9]. Commas are implied between

numbers within brackets and are ignored.

3. Brackets can contain a range of numbers using a hyphen, for example: [1-39]; [1-3,9].

4. The $ wildcard is only allowed at the end of the template, for example: 91256$; XXXX$.

Enter the commands as follows:

(config)#voice grouped-trunk PROVIDER

(config-PROVIDER)#trunk T01

(config-PROVIDER)#accept NXX-NXX-XXXX cost 0

(config-PROVIDER)#accept 1-NXX-NXX-XXXX cost 0

(config-PROVIDER)#accept 011-$ cost 0

(config-PROVIDER)#accept 411 cost 0

(config-PROVIDER)#accept 611 cost 0

(config-PROVIDER)#accept 911 cost 0

Step 8: Configure a Trunk Group for the NEC SV8100

After configuring a trunk group for the service provider, create a trunk group for the NEC SV8100 trunk

account using the voice grouped-trunk <name> command.Add an existing trunk to the trunk group

using the trunk <Txx> command. The outbound allowed calls are defined using the accept <pattern>

command and are assigned a cost using the cost parameter, as described in

Step 7: Configure a Trunk Group for the Service Provider on page 7.

Enter the commands as follows:

(config)#voice grouped-trunk PBX

(config-PBX)#trunk T11

(config-PBX)#accept $ cost 0

Step 9: Configure the Double reINVITE Preference

The sip prefer double-reinvite command is used from the Global Configuration mode to specify that a

double reINVITE is preferred globally for all calls in the system. Calls that typically require a double

reINVITE are forwarded calls and attended transfers. When these calls connect, a double reINVITE is

initiated.

By default, the system is configured so that double reINVITEs are preferred. If a transfer call involves a

SIP trunk operating in the local transfer mode, a double reINVITE is executed regardless of this preference

setting. To avoid extra SIP messaging in situations where it is not necessary, set this feature to not prefer

double reINVITEs by entering the no form of the sip prefer double-reinvite command from the Global

Configuration mode.

Enter the command as follows:

(config)#no sip prefer double-reinvite

Integrating ADTRAN eSBC and NEC SV8100 ADTRAN eSBC Sample Configuration

Step 10: Configure SIP Privacy (Optional)

The ADTRAN eSBC supports SIP user privacy using the Privacy and P-Asserted-Identity (PAI) SIP

headers. The sip privacy command is used from the Global Configuration mode to enable SIP privacy

support. The trust-domain command is used from the Voice SIP Trunk Configuration mode to connect the

trunk to a trusted domain and enable PAI support, adding security measures for user’s identity and privacy.

Enter the commands as follows:

(config)#sip privacy

(config)#voice trunk T01 type sip

(config-T01)#trust-domain

(config)#voice trunk T11 type sip

(config-T11)#trust-domain

ADTRAN eSBC Sample Configuration

The following example configuration demonstrates a typical installation of an ADTRAN eSBC configured

as the SIP trunking gateway between a NEC SV8100 and a service provider.

interface eth 0/1

description WAN

ip address 203.0.113.2 255.255.255.252

media-gateway ip primary

no shutdown

interface eth 0/2

description LAN

ip address 192.168.1.1 255.255.255.0

media-gateway ip primary

no shutdown

ip route 0.0.0.0 0.0.0.0 203.0.113.1

sip

sip udp 5060

The configuration parameters entered in this example are sample configurations only, and

only pertain to the configuration of the SIP trunking gateway functionality. This

application should be configured in a manner consistent with the needs of your particular

network. CLI prompts have been removed from the configuration example. This

configuration should not be copied without first making the necessary adjustments to

ensure it will function properly in your network.

For details on each configuration option, refer to the AOS Command Reference Guide and

other IP business gateway/eSBC configuration guides on the ADTRAN support forums at

https://supportforums.adtran.com.

Integrating ADTRAN eSBC and NEC SV8100 Configuring the NEC SV8100

voice feature-mode network

voice transfer-mode local

voice forward-mode local

voice trunk T01 type sip

description PROVIDER

sip-server primary sip.example.com

trust-domain

voice trunk T11 type sip

description PBX

sip-server primary 192.168.1.2

trust-domain

grammar from host local

transfer-mode network

voice grouped-trunk PROVIDER

trunk T01

accept NXX-NXX-XXXX cost 0

accept 1-NXX-NXX-XXXX cost 0

accept 011-$ cost 0

accept 411 cost 0

accept 611 cost 0

accept 911 cost 0

voice grouped-trunk PBX

trunk T11

accept $ cost 0

sip privacy

no sip prefer double-reinvite

ip rtp symmetric-filter

ip rtp media-anchoring

Configuring the NEC SV8100

The NEC SV8100 PBX is configured using NEC's PCPro Manager Software that runs on a Microsoft

Windows PC. The SV8100 also supports web access. However, ADTRAN recommends using the client

software for better performance. Refer to the NEC documentationfor detailed instructionson configuring

additional features and capabilities. The following sections describe the minimum configuration required

for SIP trunking interoperabilitywith theADTRAN eSBC.

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