Looks like that module comes from:
"Deploying the Asterisk-Odoo connector require to have expertise on both Odoo and Asterisk. As the ERP and IP PBX systems are two critical components for your company, you may prefer to delegate the installation and configuration of the connector to an experienced consultant.
Being the author of the Asterisk-Odoo connector, Akretion is the best option to find this expertise."
If I were you, I’d contact them so that they can sort it out. I’m afraid the people who typically frequent this community forum don’t have a professed history of expertise on that Akretion connector.