VoIP Resources and DLS Hosted PBX Documentation
Everything DLS Communications publishes about business VoIP and DLS Hosted PBX in one place: how the platform works, its features, release notes and roadmap, supported phones, network requirements and APIs, plus outside references for network managers.
DLS Hosted PBX Guides
Start here to understand the platform before you buy, and to get the most from it after.
How a Hosted PBX Works
What a hosted PBX is, who benefits, and a glossary of 18 VoIP terms.
Features and Admin Portal
Call transcription, sentiment analysis, call-center queues and a tour of the admin portal.
Release Notes
What changed in every DLS Hosted PBX release since 2004.
Product Roadmap
What our development team is building now and what is planned next.
Supported Phones
Every desk, conference and cordless phone the platform provisions, with manuals.
APIs for Integrators
Admin and user APIs for connecting DLS Hosted PBX to your own applications.
Network Requirements and Specifications
What your network needs for clear, reliable calls. Each document opens as a PDF.
Network Hardware Requirements
Routers, switches, firewalls and phones for DLS Hosted PBX.
Network Performance Requirements
Bandwidth, QoS, latency, jitter and packet-loss guidance.
Service Specifications
The full DLS Hosted PBX service specification.
More From DLS Communications
Understanding 95th Percentile Billing
How burstable bandwidth is measured and billed.
Blog
Articles on business phones, Internet and IT.
Newsroom
Company and product announcements.
Outside References
Independent websites and books on VoIP performance, security and networking.
Websites
Books
- VoIP Performance Management and Optimization, Adeel Ahmed, Habib Madani and Talal Siddiqui (Cisco Press, 2010)
- Securing VoIP, Regis J. Bates (Syngress, 2014)
- Securing VoIP Networks: Threats, Vulnerabilities, and Countermeasures, Peter Thermos and Ari Takanen (Addison-Wesley, 2007)
- Telecommunications Essentials, 2nd Edition, Lillian Goleniewski and Kitty Wilson Jarrett (Addison-Wesley, 2006)
- Switching to VoIP, Theodore Wallingford (O'Reilly, 2005)
- SOHO Networking: A Guide to Installing a Small-Office/Home-Office Network, Pete Moulton (Prentice Hall, 2002)
Resources FAQ
This page links every DLS Hosted PBX guide: how the platform works, features and the admin portal, release notes, the roadmap, supported phones, network requirements and the APIs. Customers also have a complete product manual inside the hosted PBX management interface.
A business Internet connection with enough bandwidth for your concurrent calls, a router that supports quality of service, and ideally a PoE switch with VLAN tagging. The network hardware and performance requirement documents on this page give the details.
DLS Communications technical support is available 24 hours a day at 847-854-4799, option 1, or through a support ticket on the support page.
Can't Find What You Need?
Our support team answers around the clock at 847-854-4799, or ask sales about a demo of DLS Hosted PBX.