DDTG designs, deploys, and supports premise-based phone systems for organizations that require on-site call control, local survivability, or direct integration with internal network and security environments.

Premise-based systems remain a strong option for businesses with specific regulatory, reliability, or operational requirements that favor local infrastructure over cloud-only models.

Key Capabilities

• On-site PBX deployment and configuration
• Integration with SIP trunking or traditional carriers
• Local call control and survivability
• Custom call routing and dial plans
• Direct network and security alignment

Best Fit For

• Organizations requiring local call processing
• Facilities with limited or unreliable internet
• Environments with strict control or compliance requirements
• Businesses retaining existing on-premise investments