Articles by Mark A. Miller 

Vendor Network Architectures�Part LVII: FacetPhone

This Linux/UNIX-based phone system is designed to integrate easily with corporate data applications.

The VoIP Peering Puzzle�Part 8: ENUM Trials

With the theoretical underpinnings of a number-translation system in place, telecom organizations world-wide are carefully testing implementation.

Vendor Network Architectures�Part LVI: Sphere Communications

This company's solution provides bulletproof communications using industry-standard hardware and operating systems.

The VoIP Peering Puzzle�Part 7: Implementing ENUM

Designing a workable protocol is a simple task compared to making it work effectively in the real world.

Vendor Network Architectures�Part LV: Simton Technologies, Inc.

This product line uses custom ASICs and other purpose-built electronics to produce super-small, super-smart phone infrastructure.

The VoIP Peering Puzzle�Part 6: ENUM Standards and Operation

At its core, ENUM reconfigures phone numbers in a format compatible with the Internet's Domain Name System.

The VoIP Peering Puzzle�Part 5: Addressing and Numbering Concepts

Numbers—used as identifiers and locators—are legion on the Internet. How do we translate between phone numbers and Internet numbers?

The VoIP Peering Puzzle�Part 4: The IETF SPEERMINT Call Procedures

Once communication has been established between two networks, there is a concrete, orderly set of steps for setting up a call.

Vendor Network Architectures�Part LIV: World Telecom Labs

As its name suggests, WTL's goal is to supply bulletproof telephony equipment to the international market.

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