Add combination for Vodafone,4G and Additional Service (fixed IP)
CHANGELOG:
### FIXED
- [#971](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/971) Add combination for Vodafone,4G and Additional Service (fixed IP)
Related card: https://trello.com/c/pXGWN6LH/1510-ip-fixa-a-contractes-4g
Edited by César López Ramírez