IP phones

A VoIP phone or IP Phone uses Voice over IP (Voice over Internet Protocol - VoIP) technologies for placing and transmitting telephone calls over an IP network, such as the Internet, instead of the traditional public switched telephone network (PSTN).

Digital IP-based telephone service uses control protocols such as the Session Initiation Protocol (SIP), Skinny Client Control Protocol (SCCP) or various other proprietary protocols.

VoIP phones can be simple software-based softphones or purpose-built hardware devices that appear much like an ordinary telephone or a cordless phone. Traditional PSTN phones are used as VoIP phones with analog telephone adapters (ATA).



List of Vendors for IP phones


Cisco Systems

Founded: 1984, San Fransisco, CA, USA

Website: www.cisco.com

Key Principals: Networking Equipments

Click here to view products, solutions & other details of Cisco Systems

Avaya

Founded: 2000, Santa Clara, CA, USA

Website: www.avaya.com

Key Principals: Unified communication and Networking products

Click here to view products, solutions & other details of Avaya

Polycom

Founded: 1990, San Jose, CA, United States

Website: www.polycom.com

Key Principals: Telecommunication products

Click here to view products, solutions & other details of Polycom

Shoretel

Founded: 1996, Sunnyvale, CA, USA

Website: www.shoretel.com

Key Principals: Unified Communications products

Click here to view products, solutions & other details of Shoretel

Audiocodes

Founded: 1993, Lod, Israel

Website: www.AudioCodes.com

Key Principals: VoIP, Telecommunications, Communication systems

Click here to view products, solutions & other details of Audiocodes

Digium

Founded: 1999, Huntsville, Alabama, United States

Website: www.digium.com

Key Principals: Telecommunication hardware and telephony softwares

Click here to view products, solutions & other details of Digium

Siemens Communications

Founded: 1998, Munich, Germany

Website: www.siemens.com

Key Principals: Information and communications technology

Click here to view products, solutions & other details of Siemens Communications

NEC

Founded: 1899, Tokyo, Japan

Website: www.nec.com

Key Principals: Information Technology products and Network solutions

Click here to view products, solutions & other details of NEC

Grandstream

Founded: 2002, Boston, United States

Website: http://www.grandstream.com

Key Principals: Telecommunications

Click here to view products, solutions & other details of Grandstream

Panasonic

Founded: 1918, Kadoma, Osaka Prefecture, Japan

Website: http://panasonic.net/

Key Principals: Electrical/Electronic Manufacturing

Click here to view products, solutions & other details of Panasonic

Plantronics

Founded: 1961, Santa Cruz, CA, USA

Website: http://www.plantronics.com/us/

Key Principals: Business Audio products and headsets

Click here to view products, solutions & other details of Plantronics

Mitel

Founded: 1969, Ontario, Canada

Website: http://www.mitel.com

Key Principals: Telecommunications

Click here to view products, solutions & other details of Mitel

DLink

Founded: 1986, Taipei, Taiwan

Website: www.dlink.com

Key Principals: Networking products

Click here to view products, solutions & other details of DLink

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