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Interoperable Vendors

Copyright

© 2021 Ribbon Communications Operating Company, Inc. © 2021 ECI Telecom Ltd. All rights reserved. The compilation (meaning the collection, arrangement and assembly) of all content on this site is protected by U.S. and international copyright laws and treaty provisions and may not be used, copied, reproduced, modified, published, uploaded, posted, transmitted or distributed in any way, without prior written consent of Ribbon Communications Inc.

The trademarks, logos, service marks, trade names, and trade dress (“look and feel”) on this website, including without limitation the RIBBON and RIBBON logo marks, are protected by applicable US and foreign trademark rights and other proprietary rights and are the property of Ribbon Communications Operating Company, Inc. or its affiliates. Any third-party trademarks, logos, service marks, trade names and trade dress may be the property of their respective owners.  Any uses of the trademarks, logos, service marks, trade names, and trade dress without the prior written consent of Ribbon Communications Operating Company, Inc., its affiliates, or the third parties that own the proprietary rights, are expressly prohibited.

Document Overview

This document outlines the configuration best practices for the Ribbon solution covering the EdgeMarc 300 series ATA (Analog Telephone Adaptor) when deployed with Zoom.

The Ribbon EdgeMarc 300 is a low-density analog gateway or ATA device that gives small businesses, SOHOs and branch offices with analog voice infrastructures an easy, cost-effective way to capitalize on Voice over Internet Protocol​ (VoIP) services. The EdgeMarc 300 Series offers a solution, providing support for integrating analog endpoints and the Public Switched Telephone Network (PSTN) and support for all Session Initiation Protocol (SIP) calls. The EdgeMarc 300 supports any-to-any connectivity between analog and SIP devices, enabling branch offices to rapidly migrate analog phones onto SIP-based networks and communicate seamlessly.

The interoperability compliance testing focuses on verifying inbound and outbound call flows between Ribbon EdgeMarc ATA & Zoom Cloud.

This guide contains the following configuration sections: 

• Section A: Ribbon EdgeMarc Configuration
  
  • Captures general EdgeMarc 300 configurations for provisioning with Zoom.
• Section B: Zoom Configuration

  • Captures the Zoom configuration.

• All basic calls, along with the supplementary features like call hold, call transfer, and conference can be tested with configurations from Section A and Section B.
  

• Advanced supplementary features can be configured on Zoom as mentioned in Supplementary Services Configuration on Zoom. These cover:

  • Auto Receptionist

  • Call Flip

  • Shared Line Appearance (SLA) or Call Delegation

  • Shared Line Group (SLG) 

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Non-Goals Non-Goals

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 ATA configurations in consultation with network design and deployment engineers. 

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Audience Audience

Audience

This is a technical document intended for telecommunications engineers with the purpose of configuring the Ribbon ATA.

To perform this interop, you need

• to use graphical user interface (GUI) or command line interface (CLI) of the Ribbon product.
• to understand the basic concepts of TCP/UDP/TLS and IP/Routing.
• to have SIP/RTP/SRTP to complete the configuration and for troubleshooting.

Prerequisites

The following aspects are required before proceeding with the interop:

• Ribbon EdgeMarc 300 series
• Public IP Addresses
• Zoom Go account - a special type of Zoom account that has the option to provision the ATA device.
• TLS Certificates for Ribbon EdgeMarc 300 series
  • Refer to TLS Configuration between Ribbon EdgeMarc and Zoom      

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Product and device details Product and device details

Product and Device Details

The sample configuration in this document uses the following equipment and software:

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Network Topology Diagram Network Topology Diagram

Network Topology Diagram

This section covers the Ribbon EdgeMarc deployment topology and the Interoperability Test Lab Topology.

Ribbon EdgeMarc Deployment Topology

Interoperability Test Lab Topology

The following lab topology diagram shows connectivity between Zoom and Ribbon EdgeMarc ATA.

Section A: EdgeMarc Configuration

The following EdgeMarc configurations are included in this section:

1. Connectivity
2. Network
3. SIP UA

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Connectivity Connectivity

Connectivity

Below is an image of the EdgeMarc back panel:

The following table provides details of the EdgeMarc 304 interface/port:

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Network Network

Network

To configure the network interface, login to the EdgeMarc as root user and click Network. 

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SIP UA SIP UA

SIP UA

To configure SIP UA:

1. Navigate to SIP UA.
   

   Caption
   0 Figure 1 SIP UA

   
   

   Note
   Port 1 and Port 2 configuration details can be retrieved once the EM 300 ATA is added to the Zoom portal.  To add EM 300 ATA to the Zoom portal, navigate to Adding MAC address.

   
   

2. Assign Port 1 and Port 2 with the PSTN number as follows:

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   0 Figure 1 Port Level Basic Config 3 Port Level Basic Config

   
   

3. Navigate to SIP UA → Advanced and configure as shown below: 
   

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   0 Figure 1 Advanced Config 3 Advanced Config

   
   

4. Navigate to SIP UA → SIP Proxies. 

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   0 Figure 1 SIP Proxies

   
   

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Section B Section B

Section B: Zoom Configuration

Login to Zoom Go account Web portal at https://go.zoom.us/.

This section describes the following Zoom configurations:

1. Adding MAC address to Zoom.

2. TLS Configuration between Ribbon EdgeMarc and Zoom

3. Configuring supplementary services configuration on Zoom

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Adding MAC address Adding MAC address

Adding MAC Address to Zoom

1. Navigate to Phone Systems Management > Phones & Devices > Deskphone.

2. Select Add ​Desk Phone and add the MAC address of the Ribbon EdgeMarc 304 as shown below and click Save.

   
   

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   0 Figure 1 Add External Number 3 Add External Number

   
   

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   0 Figure 1 External 3 External

   
   

3. Assign the Users as follows:
   

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   0 Figure 1 Add External Number 3 Add External Number

   
   

Click Provision, it is as shown below: 

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TLS TLS

TLS Configuration between Ribbon EdgeMarc and Zoom

As mentioned in the Zoom Desk Phone Provisioning page:

Upload the following certificates to the Ribbon EdgeMarc as follows:

The uploaded certificates are as follows:

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Configuring supplementary services configuration on Zoom Configuring supplementary services configuration on Zoom

Configuring Supplementary Services Configuration on Zoom

Zoom supports multiple supplementary services. To configure different supplementary services in Zoom, refer to the following links:

• Auto Receptionist: https://support.zoom.us/hc/en-us/articles/360001297663-Getting-started-with-Zoom-Phone-admin-#h_a625f531-94c6-4291-909e-3d68ad685b68
• Call Flip: https://support.zoom.us/hc/en-us/articles/360034613311-Using-Call-Flip
• Shared Line Appearance (SLA) or Call Delegation: https://support.zoom.us/hc/en-us/articles/360032881731
• Shared Line Group (SLG): https://support.zoom.us/hc/en-us/articles/360038850792/

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Supplementary Supplementary

Supplementary Services and Features Coverage

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

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Caveats

The following issues have been observed in the current interop testing:

• Message Waiting Indicator (MWI) feature is not available for the Zoom Users behind EM 304 ATA. 
• EdgeMarc 300 was not responding to INVITE received from Zoom, as it was receiving this INVITE in fragments. This issue is only observed if the INVITE message is large. The issue has been resolved in the EM V16.3 release.

Support

For any support related queries about this guide, contact your local Ribbon representative, or use the details below:

• Sales and Support: 1-833-742-2661
• Other Queries: 1-877-412-8867
• Website: https://ribboncommunications.com/about-us

References

For detailed information about Ribbon products & solutions, go to :

https://ribboncommunications.com/products

For information about Zoom products & solutions, go to:

https://zoom.us/

Conclusion

This Interoperability Guide describes successful configuration covering Zoom interop with Ribbon EdgeMarc ATA.

All features and capabilities tested are detailed within this document - any limitations, notes or observations are also recorded in order to provide the reader with an accurate understanding of what has been covered, and what has not.

Configuration guidance is provided to enable the reader to replicate the same base setup - there maybe additional configuration changes required to suit the exact deployment environment.

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