Cisco Webex Calling





Used Symbols


Cisco Webex Calling is a cloud-based phone system that is optimized for midsized businesses. It has all the essential business calling capabilities you are likely to need. No need to worry anymore about the expense and complexity of managing a phone system infrastructure on your premises.

Web address:


Tested with

Cisco Webex
2N IP Intercom
Secure RTP (SRTP)
July 2022



  • 2N®IP Style
  • 2N®IP Verso
  • 2N®IP Force
  • 2N®IP Solo
  • 2N®IP Base     
  • 2N®IP Safety (Audio only)
  • 2N® SIP Speaker (Audio only)
  • 2N® SIP Speaker Horn (Audio only)


  • There is a limitation that the device won't fallback. Fix for this issue is planned for version 2.35 which is scheduled for April 2022.


This guide describes basic steps for configuration of connection between 2N IP Intercom and Cisco Webex platform.

1. License

In the menu System / License check if your device has Enhanced Security enabled. If not, please contact your distributor and purchase the Enhanced Security license (2N Part No. 9137908).

2. Certificate

In the menu System / Certificates insert an Identrust Root CA 1 certificate, which can be downloaded at

The dialog for certificate upload is called by the "+" button.

3. SIP configuration

To configure the SIP properties, a Workspace and related 2N device have to be created in the Webex Control Hub as described at: 

The SIP credentials are provided by the Webex Control Hub in the menu Management / Workspace in the device details:

These credentials are then configured in the IP Intercom in the menu Services / Phone / SIP 1 as follows
In the menu Services / Phone / Video enable the parameter Use sendrecv Attribute for Video

4. Configuration of calls

A user is configured in the menu Directory / Users. This user represents the destination to call and can be either a valid PSTN number or an internal extension:

Then the user is assigned to the button in the menu Hardware / Buttons
Incoming calls are in the default disabled, they can be enabled in the menu Services / Phone / Calls

5. Configuration of locks

A door connected to the intercom can be unlocked by a DTMF code. Codes are configured in the menu Hardware / Switches / Switch 1. A code 00 is configured in the default. Codes entered at the phone are confirmed by an asterisk (*).  

Used Symbols

(tick) - Verified with video

(warning) - Work with limitation

(error) - Incompatible