Apart from making cost-effective phone calls, you could also conduct videoconferencing calling using your IP phone Singapore. It would enable you to stay in touch with your co-workers along with clients. It would help you to discuss various kinds of important deals, meetings, affairs, documents, files, and agendas regardless where you have been.
Despite you were abroad attending to various kinds of meetings, you would still have the capacity to attend all kinds of other important meetings in the home office without the need to worrying about being physically present at the meeting. It would be the best option for your specific needs.