SIP Trunking Services
Simplify your global external communications on the cloud
Next-generation cost-effective communications platform
SIP Trunking is a global service that provides IP connectivity to the PSTN. It provides Call Collection with Service Number (e.g. Toll-Free Number, UIFN) for contact centers/conferencing bridges, and enterprise SIP full PSTN replacement with User Number (DID/DDI) for on-premises/cloud PBX, UC Platform. SIP Trunking Service also supports emergency calling, number portability, and many of the standard telephony features.
Advantages of SIP Trunking
Reduce total cost of ownership: significant cost reduction by centralizing your SIP Trunking, with competitive call rates.
Global reach with local presence: providing local DID number from over 40 countries and local service number (toll-free and toll number) from over 100 countries.
Higher quality of service: carrying your voice traffic with lowest latency NTT’s IP backbone network.
Secure: delivered over our MPLS network for ultimate security and guaranteed voice quality, with end-to-end SLAs (encryption is available for shared connectivity).
Reduce global carrier management: one stop shopping for all your PSTN connectivity needs.
Advance your journey to cloud: fully compatible with Microsoft Teams and Cisco WebEx Teams.
Plan and budget accurately: no hidden costs with flexible pricing models.
Flexible billing: consolidated billing or local billing as requested by the client.
Intelligent fraud protection: dynamic and intelligent fraud control detection mechanism.
Why choose NTT?
High interoperability and integration
MPLS and internet access with major on-premises or Cloud Unified Communication and contact center solutions.
Improved service availability
End-to-end SLA with platform and access redundancy.
Service elasticity
Global services provided under single MSA with automatic scale up/down of channels.
Enhance your business
Significantly reduce your total cost of ownership with fast service activation.
