The landline is connected to the DID (Direct Inward Dialing) automatic kiosk system, digitally clear sound quality suitable for many phone-enabled businesses. By connecting a business's telephone kiosk (PABX) to an IP network with IP technology (SIP), the business's customers can dial the number directly to the office without having to go through the operator, can connect to the 4-digit number service by both receiving and making calls with a 4-digit number.
MPLS Fiber Optic Office Telephone Services
