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Sip-I Gateway - A Vital Solution for Telecom Operators

What is a SIP-I Gateway?

A SIP-I Gateway is an essential tool in modern telecommunications. It bridges traditional SS7-based ISDN User Part (ISUP) networks and newer, IP/VOIP-based systems that use the Session Initiation Protocol (SIP).

SIP-I (Session Initiation Protocol with encapsulated ISUP) allows ISUP signaling messages to be embedded within SIP messages. This leads to cohesive and reliable communication.

For telecom operators managing hybrid environments, a SIP to SS7 Gateway streamline operations, reduce costs, and improve service delivery—while still supporting high-quality voice and video communication.

Why Telecom Operators Need a SIP-I Gateway?

Telecom operators are under growing pressure to meet demands for interoperability, scalability, and cost efficiency. A SIP-I Gateway helps address these challenges by providing seamless SS7 and SIP interworking capabilities, including:

  • Protocol Interworking: Acts as a SIP to SS7 conversion bridge, ensuring compatibility between legacy SS7 systems and IP networks.
  • Advanced Media Handling: Supports high-quality voice and video transmission through media transcoding and codec compatibility.
  • Intelligent Call Routing: Optimizes call routing based on real-time network conditions, boosting reliability and operational efficiency.
Introducing

Deltapath SIP-I Gateway

Download SIP-I Gateway Datasheet

Modernize Without Compromise: Deltapath SIP-I Gateway

The Deltapath SIP-I Gateway is a powerful solution designed to seamlessly support legacy SS7-based ISUP networks with modern SIP-based IP/VOIP networks. As telecom operators face growing demands for interoperability, scalability, and cost efficiency, this gateway offers a smooth path to modernization—without disrupting existing systems.

Engineered specifically for telecom environments, the Deltapath SIP-I Gateway encapsulates ISUP signaling within SIP messages, enabling effortless communication between traditional and next-generation networks. Whether you’re operating in a hybrid setup or moving toward a fully IP-based infrastructure, you can count on reliable, high-quality connectivity across all systems.

Key Benefits of a Deltapath SIP-I Gateway for Telecom Operators

  1. Enhanced Interoperability
    • Enables seamless communication between diverse network environments, such as Public Switched Telephone Networks (PSTN) and Voice over IP (VoIP) systems.
    • Integrates easily with existing telecom infrastructure, protecting legacy investments during modernization.
  1. Cost Efficiency
    • Reduces reliance on expensive legacy equipment by using cost-effective IP communication.
    • Improves bandwidth usage with advanced voice compression and signaling optimization technologies.
  1. Scalable Architecture
    • Supports dynamic traffic management—add or remove channels as needed.
    • Enables global connectivity without major physical infrastructure investments.
  1. Reliability and Redundancy
    • Built-in failover and redundancy mechanisms to ensure service continuity during disruptions.
    • Enhances reliability to satisfy customer trust and service level agreements (SLAs).
  1. Built-In Redundancy
    • Intelligent failover systems maintain continuous service through unexpected outages.
    • Geo-redundant architecture ensures fast recovery and business continuity.
  1. Next-Level Security
    • End-to-end encryption protects voice traffic from eavesdropping, tampering, and telecom fraud.
    • Multi-layer authentication and access controls secure communications.
  1. Built to Evolve
Private LTE/5G Network for secure communications

Use Cases for SIP-I Gateways in Telecom Operations

Loop Detection in Call Forwarding

  • Prevent endless call forwarding loops. Our system intelligently detects and terminates redundant call paths, helping you preserve valuable network resources and maintain service efficiency.

 

Caller ID Management

Control how caller ID appears:

  • Customize with per-call prefix override options.
  • Show or hide caller information to meet privacy or regulatory requirements.

 

Billing Support

Ensure billing precision across networks:

  • Track usage accurately for streamlined invoicing.
  • Encapsulate ISUP within SIP to preserve caller ID and billing data during transit.

 

Enhanced Call Quality and Reliability

Consistently deliver high-quality calls, even under heavy network loads.

  • Advanced media handling delivers crystal-clear voice, even under a heavy load.
  • Reliable call handling to keep users connected when it matters most.

 

Connectivity with Upstream and Peering Carriers

  • Replace costly SS7 links with cost-effective IP interconnection with SIP-I while maintaining compliance with global ISUP standards.
  • SIP-I Gateway functions as a SIP to SS7 signaling converter, enabling smooth transitions without altering core infrastructure.

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Centralized Network Management

  • Reduce complexity and overhead by centralizing control.
  • Scale with ease by adding virtual machine instances for capacity or enable disaster recovery sites.

Take the Next Step in Your Network Evolution

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