score:3
In the few reference texts (Moody Handbook of Theology, Hodges Systematic Theology & Eckman's Exploring Church History) that I looked at all references to Montanist prophecies stated that they claimed to be speaking for the Holy Spirit. The line you reference seems to be based on third party observation, and the first party claim contradicts that. I could not find an answer to whether or not they were influenced by that tradition, the only documentation I could find refers to their beliefs in the Holy Spirit.