When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Comparison of VoIP software - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_VoIP_software

   This is a comparison of voice over IP (VoIP) software that examines applications and systems used for conducting voice and multimedia communications across Internet Protocol (IP) networks. VoIP technology has transformed telecommunications by offering alternatives to traditional telephony systems while providing enhanced features and cost savings.

3. List of VoIP companies - Wikipedia

   en.wikipedia.org/wiki/List_of_VoIP_companies

   VoIP and mobile phone services sipservice: Winterthur: Switzerland: VoIP service provider TELES AG: Berlin: Germany: VoIP services VirtualPBX: San Jose, CA: United States: Cloud-based telephone systems VocalTec: West Palm Beach and Netanya: United States and Israel: Telecom equipment provider VoiceHost: London: United Kingdom: VoIP and DSL ...

4. List of mobile virtual network operators in the United States

   en.wikipedia.org/wiki/List_of_mobile_virtual...

   Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.

5. List of telecommunications companies - Wikipedia

   en.wikipedia.org/wiki/List_of_telecommunications...

   Telecommunications company; ITU-T; Landline; List of mobile network operators. List of mobile network operators of the Americas; List of mobile network operators in Asia and Oceania

6. Voice over IP - Wikipedia

   en.wikipedia.org/wiki/Voice_over_IP

   The VoIP E911 emergency-calling system associates a physical address with the calling party's telephone number. All VoIP providers that provide access to the public switched telephone network are required to implement E911, a service for which the subscriber may be charged. "VoIP providers may not allow customers to opt-out of 911 service."

7. VDSL - Wikipedia

   en.wikipedia.org/wiki/VDSL

   VDSL2 permits the transmission of asymmetric and symmetric aggregate data rates up to 300+ Mbit/s downstream and upstream on twisted pairs using a bandwidth up to 35 MHz on its latest version. [6] It deteriorates quickly from a theoretical maximum of 350 Mbit/s at source to 100 Mbit/s at 500 m (1640.42 ft) and 50 Mbit/s at 1000 m (3280.84 ft ...