Corporate, mid-sized enterprises and thriving unicorns operate many locations around the world. Using free chat tools usually confuses internal communication and will lead to unpleasant disputes. Since every country has a different level of developed telecommunication infrastructure, it can be quite a challange for IT departments to consolidate different UCM platforms.
That is why using a unified communication system with access to a global SIP trunk network simplifies the migration and adoption of more compliant communication systems. furthermore, it leads to the development of a competitive advantage as other market participants remain entangled in their outdated analoge PBX equipment.