SIP Caller

sipcaller.com

Middletown, Delaware, United States

1-10 employees

LinkedIn Profile

About SIP Caller

3cx dialer, outbound calling campaigns, outbound call center, freepbx dialer, call tracking and analytics, dtmf prompts, education, call recording and prompts, multi-user management, multi-user access control, call result detailed reports, software publishers, power dialer, financial services, automated outbound calls, security and end-to-end encryption, support for power and predictive dialing, telecommunications, call flow templates, call campaign management

SIP Caller's Tech Stack

Decision Makers at SIP Caller

1 contact

Ernesto Afonso

Co-Founder

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5 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

SIP Caller uses Gmail, Google Apps, Google Tag Manager among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

SIP Caller's Position in the StackWho Database

• SIP Caller is 1 of 6,980 telecommunications companies tracked in StackWho.
• 6,918 telecommunications companies in our database have verified decision-maker emails (99% of the cohort).
• 2,704 companies in Delaware are in the StackWho database.
• 2,453 telecommunications companies are in the 1-10 employee range (same size as SIP Caller).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does SIP Caller use?

SIP Caller uses Gmail, Google Apps, Google Tag Manager, Mobile Friendly, YouTube. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at SIP Caller?

StackWho has verified email addresses for 1 decision maker at SIP Caller. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach SIP Caller directly for sales, recruiting, or partnerships.

What industry is SIP Caller in?

SIP Caller operates in the telecommunications industry, headquartered in Middletown, Delaware, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export SIP Caller's contact data?

Yes. StackWho Pro members can export decision maker contact data for SIP Caller and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.