ToP 15 VoIP Providers :15 Key VoIP Players

CRN Tech has compiled a list of the  "15 Key VoIP Players ", this is a good refrernce for VoIP Users , These top voip privider companies  are :

3Com : IP-PBX systems and phones for businesses of all sizes..

8x8 Inc : The hosted VoIP provider offers packages that cater to small and midsize businesses.

Allworx: Allworx is a manufacturer of hybrid PBX systems for the SMB sector that offer analog key system features with the added functionality of VoIP.

Avaya: Avaya offers a complete line of IP telephony hardware and software solutions for businesses of all sizes.

Cisco Systems : Cisco offers a wide range of IP telephony products to build converged networks for organizations of all sizes. The products support a wide range of SIP capabilities.

Covad Communications: Covad's hosted VoIP packages support businesses ranging in size from 1 to 250 employees.

Digium : Digium distributes Asterisk Now, an open-source PBX application, offering a free version and Business Version that includes support. It also makes telephony interface cards.

Fonality: Fonality is a provider of IP-PBX telephone systems for small and midsize businesses.

Junction Networks : Junction Networks offers various hosted services for IP telephony for businesses with and without a PBX.

Linksys: The networking vendor offers Linksys One converged network products and a Linksys Voice System PBX that supports up to 16 IP phones, along with a range of IP phones.

M5 Networks : M5 offers hosted VoIP services for businesses based in both New York and Chicago as well as branch offices all across the U.S.

Nortel Networks: Nortel offers a broad line of IP telephony hardware and software solutions for businesses of all sizes.

Pingtel: Pingtel offers enterprise-grade SIP PBXes, SIP call manager and router, and SIP softphone based on open-source software.

ShoreTel: ShoreTel is a worldwide provider of IP telephony solutions including phones, switches and software designed for easy deployment..

Vonage : Small Business Premium Unlimited Plan includes unlimited local and long-distance calls to the U.S., Canada, Puerto Rico and select European countries.