As far as the incoming calls on the VOIP phones are concerned you can put a caller or hold or reject a call if the identity of the caller is blocked. In that case the caller will get a message stating that you unwilling to take the call. There is also the call waiting service wherein you can know about other calls coming through when you are busy on one call. The VOIP phones have ‘call return’ facilities through which you can call the last person, irrespective of whether he received the call or not.

You will need to get equipments that are of high quality. This usually comes in handy when it comes to audio quality. You should also have an effective and result oriented moderator whose work is to ensure that you maintain to the agenda of the VoIP conference call.

This is a very effective method when you have few people who are involved in the conference call. In cases where the number of people involved is slightly more, you will need to get a conference bridge to reduce on audio distortion. The conference bridge will be used as a hub in which the members will be expected to dial up so that they can be connected to their different contacts.