Question 1

What is IP Telephony?

Accepted Answer

IP telephony refers to using Internet Protocol packet‑switched networks to transmit voice, fax and other communications that were traditionally handled by circuit‑switched telephone lines.

Question 2

How many companies implement IP Telephony?

Accepted Answer

Based on our data, 63,397 companies implement IP Telephony. This number is updated daily as we discover new companies through job posting analysis.

Question 3

What types of companies implement IP Telephony?

Accepted Answer

IP Telephony is relevant across multiple industries including Telecommunications, IT Services and IT Consulting, Defense and Space Manufacturing. Companies range from startups to enterprises with 10,000+ employees.

Question 4

How does TheirStack track companies related to IP Telephony?

Accepted Answer

TheirStack analyzes millions of job postings daily from company career pages, job boards, and recruitment platforms. When a company mentions IP Telephony in their job descriptions, requirements, or responsibilities, we identify them as related to IP Telephony and add them to our database.

Question 5

How can I get the full list of companies that implement IP Telephony?

Accepted Answer

You can access the complete list of 63,397 companies on TheirStack. The data includes company name, industry, size, location, funding, and revenue. Available via our web app or API.

Question 6

How often is the company data updated?

Accepted Answer

Our database is refreshed daily. We continuously monitor job postings to detect new companies implementing IP Telephony and update existing records.

Company	Country	Industry	Employees	Revenue	Technologies
Comcast	United States	Telecommunications	61k	$80B	IP Telephony
General Dynamics Information Technology	United States	IT Services and IT Consulting	103k	$7.9B	IP Telephony
Verizon	United States	IT Services and IT Consulting	100k		IP Telephony
Leidos	United States	Defense and Space Manufacturing	37k	$14B	IP Telephony
RingCentral	United States	IT Services and IT Consulting	6.7k	$2B	IP Telephony
Peraton	United States	IT Services and IT Consulting	13k	$7B	IP Telephony
TEKsystems	United States	IT Services and IT Consulting	27k		IP Telephony
Mercor	United States	Software Development	6k		IP Telephony
Vonage	United States	IT Services and IT Consulting	2.8k	$1.4B	IP Telephony
Vodafone	United Kingdom	Telecommunications	149k	$60B	IP Telephony

Companies implementing IP Telephony

List of companies that implement IP Telephony