Actually there are not that many choices for VoIP providers offering Quality of Service (QoS) for SIP Trunk services. Voice Quality (QoS) is the main focus of ECTtelecom in selecting a major carrier for Origination and Termination VoIP SIP Trunking service for our call center and business customers.
VoIP SIP enables multi-location call centers and businesses to streamline the management and reduce costs of managing their communications. With SIP Trunking, you can leverage a centralized IP-PBX in one or more primary locations using an existing private network or MPLS VPN service.
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