ISDN

If your business is looking to extend the phone system to add additional capacity, you will be faced with a choice of voice solutions: ISDN or VoIP/ SIP trunking. In the first part of this guide we saw that VoIP … Continued

If your business has grown to the point that you now require multiple phone lines, you face a choice of voice solutions, namely ISDN or VoIP/ SIP Trunking? Historically, multiple telephone lines required an ISDN connection to your office, which … Continued