Some soft skills you can learn here:
* Communication skill: You have to communicate with internal and external people on various levels. You have to know how to convey you message to the other person effectively.
* Customer relation: Maintain a good customer relation so that they will always support you and trust you, instead of challenge and fault-finding. This requires good technical skill and interpersonal skills.
* Simple Project Planning: Your work like new version roll out will require you to have a complete and effective plan.
* Multitasking with interruptions: Call center is usually highly multitasking job. You have to manage your jobs and prioritize them. Proper logging is also essential because you will always be interrupted by calls or emails with high sense of urgency.


Of course your concerns are also quite valid, thus think it twice before you apply for it. Surely you can make a correct decision on your own.