VoIP vs SIP: Which one is winning the telecoms war?

Back in 2008 the death knell of the PBX was being forecast -- albeit mainly by VoIP suppliers. Whilst sales have dropped and there was some amalgamation of suppliers there is still a strong market. The number of PBX extensions still outnumbers VoIP by around seven or eight to one. So, to misquote Mark Twain -- reports of the PBX’s death have been grossly exaggerated. It is the rise of a parallel technology SIP that has blunted many of the arguments put forward by VoIP suppliers suggesting we should throw away that box on the wall. VoIP suppliers tended to… [Continue Reading]