offensive or deffensive

[Didi]

offensive or deffensive fixed/mobile substitution planning

(здесь идет перечисление услуг - это одно из них)

[marlene]

контекст пошире можно?

[Didi]

XXX, tackles complex issues, such as:

-launching new tariff plans or optimizing existing offers
-offensive or defensive fixed/mobile substitution planning
-development of proactive customer retention and churn management programs