3) Alternativn+ş hlasov+ę technologie (ISDN, VoIP)

Factors Traditional ISDN New VoIP Solutions Costs With ISDN telephony, there is always going to be high rental costs for equipment. VoIP tends to have low rental costs for telephony equipment. Faults In some cases ISDN telephony faults can take up to 72 hours to repair. With VoIP telephony it can take up to 10 hours to fix the faults. Numbering In some cases your business can be limited to 4-7 local numbers. VoIP has no limits, you can incorporate as many or as little as you want.