SIP Trunking

Alianza’s SIP Trunking is a cloud-based voice solution that connects customers’ on-premises PBX systems to the public switched telephone network (PSTN) via broadband. It replaces traditional TDM connections with a flexible, scalable, and cost-effective alternative. Designed for service providers, SIP Trunking enables rapid deployment, minimal infrastructure investment, and intuitive management. It supports dynamic call capacity, offers cloud redundancy, and eliminates the need for physical setup or technical expertise, making it ideal for businesses of all sizes.

Features

• Broadband-based connection to PSTN via VoIP
• Supports single to hundreds of simultaneous calls per trunk
• No physical installation or setup required
• Intuitive Voice Portal for customer self-management
• Cloud-based call routing for redundancy and reliability
• Real-time scalability of phone lines and numbers
• Compatible with existing PBX equipment

Capabilities

• Enables migration from legacy TDM to IP-based systems
• Operates without in-house technical expertise
• Scales with customer demand instantly
• Supports remote work and device flexibility
• Offers predictable billing and simplified service management
• Provides service continuity during outages or disasters

Benefits

• Reduces operational and infrastructure costs
• Accelerates time to market with no upfront investment
• Enhances customer satisfaction with reliable service
• Increases recurring revenue and customer retention
• Improves competitiveness against legacy providers
• Delivers high-margin voice services with minimal effort