Upgrade PBX for VoIP use, advises expert – ihotdesk – IT News

Upgrade PBX for VoIP use, advises expert
ihotdesk – IT News, UK
Upgrading a private branch exchange (PBX) to include VoIP is one of the best ways of enabling remote working, according to an expert. Mike Ballantine, business development manager at Aastra, said there were various methods of gaining the connectivity …

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