Within the framework of Call a Friend new service, VivaCell-MTS subscribers were given a chance to make collect calls. To activate the service, 999 code is to be dialled before the phone number.

The recipient is being notified that in case of accepting the call its cost will be charged from his account and decides whether to answer or not. In case of answering, the cost of call is charged according to recipient’s current tariff plan.

Subscribers, at their discretion, can block or allow calls at their expense by pressing *999#.

Preferences on receiving calls via the Call a Friend service can be set by dialling corresponding requests, VivaCell-MTS press service reported.