Webex Calling Registration Based Local Gateway Utility

By: Anthony Holloway

Webex Details

Trunk Group OTG/DTG

Outbound Proxy

Registrar Domain

Line/Port

Username

Password

CUCM Primary IP

CUCM Secondary IP

Official Guide
2024 Cisco Live LGW Troubleshooting Session
UCK9 and SecurityK9 licenses required
Template assumes a single interface; hence no bind commands. If you want multiple interfaces, you may need to consider your binds.
I prefer to decouple the WxC subnets in the trust list. If you prefer to define them, please do so.
Numbering convention for dial-peers and the like
- Four digit numbers XYZZ
  - First digit "X" is the leg; 1 = Webex, 2 = CUCM
  - Second digit "Y" is the direction; 0 = Agnostic, 1 = Incoming, 2 = Outgoing
  - Next two digits "ZZ" are not used in this template
    - Could be used if you switched away from DPGs and use destination patterns instead
Destination pattern is ABC123 because we need the command, but the value is ignored
This template is designed for two CUCM servers, but feel free to adapt it for more servers or for another PBX (e.g., Avaya)
This template is designed for a vanilla CUCM SIP trunk, but do consider the following
- Device Pool and therefore CMG, Location and Region
- Inbound CSS
- Non-secure SIP Trunk Security Profile
- SIP Profile with Early Offer Best Effort and OPTIONS