At first sight, the partnership just announced between AWS and cloud communications platform vendor Alianza is not directly relevant for mobile services. Yet it is driven by growing use of mobile communications within the enterprise customers of telcos that in turn will be served by the new alliance. The collaboration concerns replacing legacy equipment both for telcos themselves and their enterprise customers, centered around traditional voice and office collaboration applications. The two companies have positioned their new multi-year agreement as combining their respective cloud infrastructure and cloud-native software offerings to help CSPs (Communications Service Providers) develop and market the latest voice and communications products. A key part of this is to help telcos compete with providers of OTT (Over the…