Threshold Ventures

Twilio is a cloud-based communications company that empowers developers and businesses to build and integrate voice, video, messaging, and authentication into their applications via a robust set of APIs. By merging cloud computing, web services, and telecommunications, Twilio is transforming traditional telecom, enabling more contextual and personalized customer interactions. The company's Super Network ensures fast, cost-effective communication across the globe.

Twilio is a cloud-based communications company that empowers developers and businesses to build and integrate voice, video, messaging, and authentication into their applications via a robust set of APIs. By merging cloud computing, web services, and telecommunications, Twilio is transforming traditional telecom, enabling more contextual and personalized customer interactions. The company's Super Network ensures fast, cost-effective communication across the globe.

Varolii is a leading provider of on-demand communication software that specializes in proactive outbound communications. The company offers software and services designed to automate personalized communications, enabling organizations to effectively engage with their customers and employees. Varolii's solutions facilitate the delivery of critical messages, such as flight cancellation notices, fraud detection alerts, and prescription pick-up reminders, thereby helping clients reduce operational costs and enhance contact center efficiency. With over 380 clients, including major banks, airlines, wireless carriers, utilities, and healthcare organizations, Varolii handles approximately 4 million communications daily. The company is headquartered in Seattle and maintains additional offices in the Boston and Denver metropolitan areas. In October 2013, Varolii was acquired by Nuance Communications.

Ooma develops smart cloud-based software-as-a-service (SaaS) platforms for businesses and consumers worldwide. Its offerings include advanced voice and collaboration features, residential phone service with PureVoice HD quality, and a comprehensive home security solution.

Varolii is a leading provider of on-demand communication software that specializes in proactive outbound communications. The company offers software and services designed to automate personalized communications, enabling organizations to effectively engage with their customers and employees. Varolii's solutions facilitate the delivery of critical messages, such as flight cancellation notices, fraud detection alerts, and prescription pick-up reminders, thereby helping clients reduce operational costs and enhance contact center efficiency. With over 380 clients, including major banks, airlines, wireless carriers, utilities, and healthcare organizations, Varolii handles approximately 4 million communications daily. The company is headquartered in Seattle and maintains additional offices in the Boston and Denver metropolitan areas. In October 2013, Varolii was acquired by Nuance Communications.

Founded in 1997, Draytek Technologies is a Taiwanese manufacturer specializing in networking equipment and management systems. The company offers enterprise-level firewalls, routers, switches, VPN facilities, and other telecommunication products, primarily serving small and medium-sized enterprises (SMEs) and residential users worldwide.

Ooma develops smart cloud-based software-as-a-service (SaaS) platforms for businesses and consumers worldwide. Its offerings include advanced voice and collaboration features, residential phone service with PureVoice HD quality, and a comprehensive home security solution.

Fonality is a business communications company based in Plano, Texas, founded in 2004. It specializes in providing small- and medium-sized businesses with comprehensive communication solutions. Fonality offers a range of services including Business Phone Systems for integrated call management and collaboration, Hosted PBX Systems for cloud-based phone services, Hybrid PBX Systems that combine on-premises and cloud environments, and Unified Communications applications that manage various forms of communication such as phone calls, voicemail, instant messaging, conference calls, email, screen sharing, and video conferences. The company serves a diverse range of industries including insurance, legal, service and technology, non-profit and education, and manufacturing.

Jaxtr, Inc. is a social communications company based in Mountain View, California, founded in 2005. The company offers a range of services that integrate global calling, SMS, and social networking. Jaxtr initially gained attention with its VOIP widget, which allows users to receive calls while keeping their personal phone numbers private. It provides users with free local numbers to bypass expensive international charges and charges a nominal fee for connections to mobile phones. Additionally, Jaxtr operates Cafe Jaxtr, a social network designed for users to connect and discuss shared interests, while also offering free global SMS to enhance user engagement. The company differentiates itself from competitors by enabling calls from any phone, including mobile and landline, without requiring software downloads or Internet access. As of June 2009, Jaxtr operates as a subsidiary of Sabse Technologies Inc.

Jaxtr, Inc. is a social communications company based in Mountain View, California, founded in 2005. The company offers a range of services that integrate global calling, SMS, and social networking. Jaxtr initially gained attention with its VOIP widget, which allows users to receive calls while keeping their personal phone numbers private. It provides users with free local numbers to bypass expensive international charges and charges a nominal fee for connections to mobile phones. Additionally, Jaxtr operates Cafe Jaxtr, a social network designed for users to connect and discuss shared interests, while also offering free global SMS to enhance user engagement. The company differentiates itself from competitors by enabling calls from any phone, including mobile and landline, without requiring software downloads or Internet access. As of June 2009, Jaxtr operates as a subsidiary of Sabse Technologies Inc.

Ooma develops smart cloud-based software-as-a-service (SaaS) platforms for businesses and consumers worldwide. Its offerings include advanced voice and collaboration features, residential phone service with PureVoice HD quality, and a comprehensive home security solution.

Ooma develops smart cloud-based software-as-a-service (SaaS) platforms for businesses and consumers worldwide. Its offerings include advanced voice and collaboration features, residential phone service with PureVoice HD quality, and a comprehensive home security solution.

Snapvine is a provider of voice and mobility solutions that enables users to leave voicemails online. The process involves contacting a central Snapvine number and entering a specific code to direct the message to the intended recipient, or alternatively, using a microphone connected to a computer. The voicemails can be shared through simple embeddable widgets, allowing for either public access, where anyone can listen to the messages, or private access, restricted to the intended recipient. This service has gained popularity on social networks, particularly among artists and celebrities, facilitating communication with their fans.

Ooma develops smart cloud-based software-as-a-service (SaaS) platforms for businesses and consumers worldwide. Its offerings include advanced voice and collaboration features, residential phone service with PureVoice HD quality, and a comprehensive home security solution.

Skype is a messaging and VOIP service that enables voice and video calls, chats, and file transfers over the internet. It supports group video conversations and cross-device use on phones, computers, and other screens. The service includes features such as voicemail and call-forwarding, end-to-end encryption for calls and chats, and flexible options for personal or business use. Skype is a product of Microsoft, developed since its launch in 2003, and is associated with connecting people, colleagues, and customers across different locations, facilitating collaboration and communication globally. It is headquartered in Luxembourg.

CenterPost Communications is a leading provider of enterprise multi-channel solutions for automating communications between companies and their customers via voice, email, fax, wireless text and instant messaging. CenterPost's solutions are designed to help companies acquire, care for, grow and retain customers by enabling frequent and relevant customer contact at a price-point that is far superior to traditional methods.

iTelco Communications, Inc., also known as eTouch.com(SM), is a leading application service provider serving Internet portals, ISPs and telcos with highly scalable, global, IP-based communication solutions for unified messaging, advanced telephony, and wireless applications. The company's current direct offering to consumers, eTouch Unified Messaging, offers free voicemail/e-mail/faxmail through an on-line Website, and free routing of voice messages around the world within the global eTouch network.

Pagoo Inc. is a global provider of IP-based voice applications software and solutions. Pagoo´s applications are the first to make VoIP a true alternative to voice over traditional telephone networks.

CenterPost Communications is a leading provider of enterprise multi-channel solutions for automating communications between companies and their customers via voice, email, fax, wireless text and instant messaging. CenterPost's solutions are designed to help companies acquire, care for, grow and retain customers by enabling frequent and relevant customer contact at a price-point that is far superior to traditional methods.

eYak (Sonexis) is an IP telephony services company. It provides internet protocol media server software and solutions for voice applications. The company was founded by Jeff Flowers in 1999 and is headquartered in Boston, Massachusetts.