As some Concur clients test the new version of its Messenger iOS app, released last month, Concur's self-described "open" approach to integrating with travel risk management firms already includes five providers, but not some of the bigger names. In the making since Concur two years ago acquired messaging firm conTgo, the app is the mobile companion to Concur's Messaging service.

It's not meant to be a well-rounded TRM offering. ConTgo co-founder and Concur senior director of strategy and . . .

The full content is available to subscribers

Reminder: As per our Subscriber Agreement, reproduction or distribution of content and sharing user names and passwords are strictly prohibited.