In addition to core and optional modules, protel Air extends usage for both staff mobility as well as guest-facing capability. As such, a number of add-ons are available, including (but not limited to) protel Housekeeping app (for housekeepers and maintenance staff), protel Messenger (email and SMS automation), protel Digital Registration app, protel Voyager (for guest-facing access to their own profile and reservations management).
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