Learn More

Discover a comprehensive Solutions Center hub with resources, documentation, and expert guidance for all your business communication needs.

Access our dedicated customer service team around the clock, every day of the year. Get immediate assistance when you need it most.

Stay informed with real-time service updates, maintenance alerts, and important system notifications to keep your business running smoothly.

Monitor live system performance updates and network health metrics to ensure optimal communication service delivery across all platforms.

Technical support escalation for critical issues

Project implementation and deployment issues

Sales inquiries and contract negotiations

Billing disputes and account management

Strategic account growth and optimization

There is no better relationship in the industry than ones CallTower has with its partners. Here are just a few things that make working with us truly awesome.

Learn More

At CallTower, we consider our channel partners as family, valuing successful relationships through excellent support and financial rewards.

Learn More

Discover Are benefits of our Agency Partner Program for your business. Unlock revenue streams, scalable growth, and extensive support.

Learn More

CallTower's MSP Partner Program empowers service providers by simplifying taxation and enhancing efficiency through tools including the GTx self-service platform.

Learn More

GCC High Environment with MS Teams Audio Conferencing and PSTN

Overview

To be a government contractor, modern businesses must comply with strict cybersecurity requirements. Eligibility for GCC High is extended to:

  • Designated government organizations or contractors.
  • Non-government agencies working with data under specific regulations and guidelines.

Microsoft created Office 365 GCC High to meet the security requirements of government agencies and contractors. In alignment, CallTower offers Microsoft Teams Direct Routing, a hub for team collaboration within required security parameters.


Key Benefits of GCC High

  1. Data Separation:
    • Customer content is separated from commercial Office 365 and Teams environments.
  2. US-Based Data Storage:
    • All customer content is saved and stored within the US.
  3. Screened Support Staff:
    • Microsoft staff members are properly screened and granted temporary access only after customer approval.
  4. Compliance:
    • Fully complies with FedRAMP High and DoD Cloud Computing Security Requirements Guide (SRG) for Impact Level 5 (L5).

Collaboration Hub within GCC High

  • Microsoft Teams as a Primary Tool:
    Businesses using GCC High have seen increased productivity due to improved capabilities that align with the commercial version.
  • Enhanced Communication:
    • Administrators can restrict employee communication.
    • Voice and audio conferencing can be added with Microsoft Teams Direct Routing from CallTower.
    • Chats and team calls are now easier, enabling direct communication with external users.

Improve Office 365 GCC High with CallTower

  • Compliance:
    Meets the unique requirements of contractors handling:
    • DoD Controlled Unclassified Information (CUI).
    • International Traffic in Arms Regulations (ITAR).
  • CallTower’s Capabilities:
    • Enables Microsoft Teams Direct Routing voice capabilities.
    • Provides a voice-optimized network with 24/7/365 monitoring by Network Operations Centers.
    • Offers redundant connections through leading providers for global connectivity.
    • Delivers dedicated lines and global SIP Trunking with dynamic application failover.

CallTower’s Proven Expertise

CallTower has been delivering cloud-based Direct Routing in GCC High since 2019, supporting Microsoft 365 GCC High (MSFT 365 GCCH) for government contractors working with the Department of Defense.

GCC High Environment with MS Teams Audio Conferencing and PSTN