Table of Contents


 

Interoperable Vendors


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Document Overview

This document depicts the configuration details for Ribbon EdgeMarc 2900A interworking and compliance against Deutsche Telekom CompanyFlex SIP Trunking solution. This is a general reference document that requires user input during the configuration of Ribbon EdgeMarc 2900A.

This guide contains the following configuration sections: 

Section A: Ribbon EdgeMarc 2900A Configuration

  • Captures general Ribbon EdgeMarc SBC configurations for deploying with Deutsche Telekom CompanyFlex SIP Trunking solution.

Section B: Emulated PBX Configuration

  • Captures the Phonerlite configuration which is used as an Emulated PBX.

Deutsche Telekom is a telecommunications company that offers a range of fixed-network services, such as voice and data communication services based on fixed-network and broadband technology. They also sell terminal equipment, other hardware, and services to resellers.

Non-Goals

It is not the goal of this guide to provide detailed configurations that will meet the requirements of every customer. Use this guide as a starting point and build the SBC configurations in consultation with network design and deployment engineers. 

Audience

This is a technical document intended for telecommunications engineers with the purpose of configuring both the Ribbon SBCs and the third-party product.

Steps will require navigating the third-party product as well as the Ribbon product using graphical user interface (GUI) or command line interface (CLI).

Understanding of the basic concepts of TCP/UDP/TLS, IP/Routing, and SIP/RTP/SRTP is needed to complete the configuration and any necessary troubleshooting.

Note

This configuration guide is offered as a convenience to Ribbon customers. The specifications and information regarding the product in this guide are subject to change without notice. All statements, information, and recommendations in this guide are believed to be accurate but are presented without warranty of any kind, express or implied, and are provided “AS IS”. Users must take full responsibility for the application of the specifications and information in this guide.

Pre-Requisites

The following aspects are required before proceeding with the interop:

  • Ribbon EdgeMarc 2900A SBC
  • DT Digitalisierungsbox Premium

Product and Device Details

The following equipment and software were used for the sample configuration provided:

Requirements


Equipment

Software Version

Ribbon Communications

Ribbon EdgeMarc 2900A

V15.7.0

Deutsche TelekomCompany Flex SIP Trunk1.5
Third-party EquipmentPhonerlite2.48

Network Topology Diagram

The following network topology diagram shows connectivity between DT Company Flex and Ribbon EdgeMarc 2900A.

Network Topology Diagram


Section A: Ribbon EdgeMarc SBC Configuration

The following EdgeMarc configurations are included in this section:

  1. Login
  2. Network
  3. VoIP
  4. SIP Settings
  5. Survivability
  6. B2BUA Trunking Configuration

1. Login

  • Login to EdgeMarc and change the GUI and SSH Password.

Admin Login

  • Optional: Connect with EdgeView by navigating to Admin > Services Configuration.

EdgeView

2. Network

  • Configure the network to use DHCP on primary WAN port.

EdgeMarc Network

 

3. VoIP

  1. Navigate to VoIP > B2BUA Options, and select "Route all SIP signaling through B2BUA".
  2. This allows EdgeMarc to act as a back to back user agent and modify signaling exchange according to requirements.

VoIP

4. SIP Settings

  1. Navigate to VoIP > SIP Settings to configure the SIP settings.
  2. Configure the primary and secondary registrar FQDN as supplied and select custom domain to add the supplied SIP server domain.
  3. Choose required transport protocol and port number for signaling.

SIP

 

5. Survivability

  • Check and confirm SIP connectivity is shown for proxy registrars under VoIP > Survivability.

Survivability

6. B2BUA Trunking Configuration

  1. Navigate to VoIP > B2BUA to configure SIP Trunk on LAN to PBX and WAN to DT Registrar.
  2. In the test setup, PBX on LAN was the Phonerlite client on the laptop that had its IP address allocated by EM acting as DHCP server.

B2BUA Trunk Configuration

  • The first set of credentials are for the 401 upon registration.


Credentials and Registration-1

  • The second set of credentials are for 407 received when sending INVITE.


Credentials and Registration-2

  • Action to send incoming calls to LAN PBX.

Actions 1

  • Action to add P-Preferred Identity Header to outgoing calls as required from LAN PBX to DT Trunk.

Actions 2

  • First rule for sending all incoming calls to LAN PBX.

Match 1

  • Second rule for adding PPI Header to all outgoing calls.

Match 2


Section B: Emulated PBX Configuration

Phonerlite is used as an Emulated PBX in the current setup.

Phonerlite 1


Phonerlite 2

Supplementary Services and Features Coverage

The following checklist depicts the set of services/features covered through the configuration defined in this Interop Guide.


Sr.No.Supplementary Features/ServicesCoverage
1Basic Registration

2Basic Inbound Call

3Basic Outbound Call

Legend

ItemDefinition

Supported

Not Supported
N/ANot Applicable

Support

For any support related queries about this guide, contact your local Ribbon representative, or refer to the following details:

References

For detailed information about Ribbon products and solutions, visit: https://ribboncommunications.com/products

For detailed information about Deutsche Telekom products and solutions, visit: https://www.telekom.com/ 

Conclusion

This Interoperability Guide describes a successful configuration covering Deutsche Telekom Company Flex interop involving the Ribbon EdgeMarc SBC. All the necessary features and serviceability aspects stand covered as per the details provided in this interoperability document.


© 2021 Ribbon Communications Operating Company, Inc. © 2021 ECI Telecom Ltd. All rights reserved.