At presently only phone numbers are supported e.g.
nexmo conference PHONE_1 PHONE2
To support usergroup mentions in Slack a call to the slack RPC web API will be required to lookup the users in a group and then the phone number of user member provided users.
At presently only phone numbers are supported e.g.
To support usergroup mentions in Slack a call to the slack RPC web API will be required to lookup the users in a group and then the phone number of user member provided users.