Get a trusted (031,011,021 etc) business telephone number! Stop using your untrusted cell/mobile phone number to conduct business!
Avoid being locked in 2 years/24 months business telephone contracts by choosing month to month, so that if your telephone service/VoIP provider don't offer a good service you can change!
Business VOIP phone enables you to cut down up to 80% of business phone expenses by using the internet. Saving is another way to increase your profit!