Business Phone System | VoIP | Voice over IP
St. Louis | St. Charles | Florissant | MO
CSI of St. Louis, Inc.
CSI of St. Louis is an authorized provider of business phone systems including Voice over IP (VoIP) and unified messaging solutions for businesses in Saint Louis, Saint Charles and Florissant, MO.
- Request a bid on business phone system for your Saint Louis, Saint Charles or Florissant based business
- View our brief online video on the Iwatsu Enterprise TOL unified messaging system for business
- CALL US TODAY AT 314-725-5643 OR 1-877-877-0024 FOR A FREE QUOTE
Iwatsu Voice Networks has millions of users in more than 50 countries who rely on their business phone systems, voice mail and VoIP. Iwatsu has developed a reputation for legendary reliability and flexible applications that change and adapt to your St. Louis, St. Charles and Florissant business requirements. Iwatsu’s extraordinary industry MTBF rate and .0007% out of box failure rate tells you that Iwatsu Voice Networks can furnish your St. Louis, St. Charles or Florissant Company the most reliable communications products available today.
CSI of St. Louis is your St. Louis, St. Charles or Florissant Company’s #1 source for business phone systems
Iwatsu Voice Networks is a manufacturer, developer and provider of business telecommunications solutions. Iwatsu Voice Network's products and services are available through in the Saint Louis, Saint Charles and Florrisant, Mo. through CSI of St. Louis.
Iwatsu Voice Networks' Voice over IP technology provides your St. Louis, St. Charles or Florissant remote offices or remote workers the ability to connect with one another like they are in the same location.
With a VoIP phone system network from CSI of St. Louis, Inc., your St. Louis, St. Charles or Florissant Company can transfer calls or make intercom calls to any other location within their company’s system. VoIP exchanges your voice and data among locations using IP addressing, allowing your removed offices to stay connected while reducing costs.
NEW! Enhanced IP Phone available in Saint Louis, Saint Charles and Florissant, MO.
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Automatic Set Relocation
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Layer 2 Switch
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Two Choices for Power
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Programmable Keys
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Peer-to-Peer Connectivity
Unified Messaging with Omega-Voice Mail
With Omega-Voice Mail VMI Unified Messaging solution, your voice mail and automated attendant work together in one system. The automated attendant lets you customize company greetings and user-friendly options that route calls directly to individual extensions and voice mail boxes. Iwatsu Voice Networks' Omega-Voice Mail provides:
- Remotely access and customize your voice mail / auto attendant greetings.
- User-friendly voice mail box tools
- Time-saving automated call processing
- Record conversations, conference calls to your voice mail box
- Distribute voice mail messages to multiple voice mail boxes simultaneously
For over 45 years CSI St. Louis, Inc. has been dedicated to providing superior telecommunications products and services and exceptional customer service to our customers in St. Louis, St. Charles and Florissant, MO. Contact us today by calling (314) 725-5643. You may also contact us via email using the contact form provided below. We will respond to your inquiries promptly.



