Nortel's Communication Server 1000 lineup provides an IP migration path for the very large number of Meridian digital PBXs deployed worldwide. The company's relationship with Microsoft could complicate the ...

The HiPath 4000 is the core of the Siemens telephony product line, and it is a highly scalable, application-rich offering that migrates from legacy PBXs. The company, however, is ...

ShoreTel is pushing forward in applications development and SIP support. The distributed architecture of its PBX remains the company's primary differentiator. This report contains insight and analysis ...

Level 3's comprehensive long-haul routes, metro assets and competitive pricing make the carrier a strong contender in SONET. The company has built up its commercial building reach to get its ...

XO lit its long-haul network with Infinera's optical platform in 2006, followed in 2007 by stepping up its enterprise sales focus. Modern fiber, simple infrastructure and commitment to low prices ...

FCC forbearance took Verizon's incumbent local carrier SONET off tariff, but Verizon compensated by publishing detailed service information on these products. The carrier continues building out its dynamic mesh optical ...

Verizon Business continues to expand domestic ULH DWDM with new routes, and at the same is deploying a new mesh architecture to support its infrastructure. The provider has added to ...

Verizon is a powerful carrier Ethernet player, with a variety of Layer 1 transport and Layer 2 network options to transport traffic between customer locations at optical speeds on an ...

Wavelength services are an area where Level 3 shines, thanks to its comprehensive national long-haul fiber footprint, modern core transport infrastructure and a collection of owned access fiber in major ...

XO's transport- and network-layer optical Ethernet services are complemented by the carrier's fixed wireless and mid-band Ethernet over copper loop offers. In sum, the carrier has become a carrier Ethernet ...

AT&T's launch of its national and international long-haul VPLS-based Ethernet service - dubbed OPT-E-WAN - is imminent. The move will strongly augment AT&T's strong metro carrier Ethernet portfolio. This report ...

XO has the modern fiber, optical infrastructure, willingness to compete on price and enterprise focus to succeed in SONET. But the carrier lacks sophisticated SONET options and comprehensive regional access ...

Level 3 is a versatile player in transparent LANs that maintains an impressive four flavors of national Ethernet services: MPLS-encapsulated Ethernet, a true VPLS network and Layer 1 private line ...

AT&T, already the powerful incumbent carrier with a leading SONET footprint in 22 states, also gained FCC forbearance from filing local SONET tariffs in 2008. The carrier now has even ...

AT&T's single- and multi-wavelength services can bring customers on board in major metros in its 22-state local territory and nationwide. But AT&T doesn't match its metro focus with transparent long-haul ...

RCN Metro Optical Networks' completion of its regional network upgrade to the Infinera DTN platform should enable transparent wavelengths and inexpensive Ethernet, but the carrier is still touting the same ...

RCN Metro Optical Networks has pulled together its Ethernet products into a cohesive portfolio, including EPL, EVPL, E-LAN and even a metro VPLS offer, with speeds starting as low as ...

BT Global Services' RAS service MobileXpress plays a key part in the global service provider's mobility strategy. However, momentum and developing tighter integration with the wider BT Mobility portfolio appears ...

Orange Business Services' RAS proposition is solid including key access and value-added service elements, and its iPass partnership has improved overall coverage and functionality. To sustain its position, more market ...

Verizon Wireless offers a wide variety of email solutions on business handsets, with server-based, hosted and middlewareless options for different user segments. EV-DO Rev 0/Rev A speeds attract users to ...