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What is Zentrunk?

Zentrunk provides a cloud-based SIP trunking service designed for worldwide connectivity, accommodating an unlimited number of concurrent calls with a flexible pay-as-you-go pricing system. You can integrate your VoIP configuration in just a few minutes due to our meticulously developed and optimized network infrastructure, which alleviates any hassle on your part. Our service features low Post Dial Delay by seamlessly routing calls through a single hop to local carriers, in addition to offering essential functionalities such as Caller Line Identification (CLI) and Dual-Tone Multi-Frequency (DTMF) signaling, all while avoiding the issues associated with out-of-region audio looping. With a robust infrastructure that covers multiple regions and includes at least three local carrier connections in several countries, Zentrunk guarantees a remarkable uptime of 99.95%. This level of reliability positions it as an excellent choice for enterprises aiming to improve their communication systems. Furthermore, Zentrunk's commitment to customer satisfaction ensures that businesses can trust in our service for their operational needs.

What is AT&T Phone for Business?

AT&T Business Voice delivers reliable communication services with customizable plans and features designed to grow with your business needs. By utilizing Voice over IP (VoIP) technology, you can take advantage of modern capabilities while still using your existing analog phones, provided you have AT&T Internet for Business. This sophisticated digital phone service guarantees superior sound quality and dependable connectivity through your AT&T internet link. Packed with an array of features that far surpass traditional phone services, it allows you to consolidate your voice, internet, features, and messaging into a single monthly invoice. Managing your features, reviewing your bill, and responding to messages is seamless through a secure online portal, making the service user-friendly. Not only is it reliable, but it also offers affordability with various regional, nationwide, and international calling plans tailored to your needs. You can benefit from unlimited local and long-distance calls, complete with essential features like Caller ID, Call Forwarding, and Three-way Calling. Additionally, you gain access to enhanced features at no added cost, including Call Waiting, Call Return, Call Block, and Hunting, all of which contribute to a more efficient business communication experience. This all-encompassing service ensures your organization remains connected and productive while effectively managing expenses. In this way, AT&T Business Voice stands out as a powerful solution for modern business communication demands.

Media

Media

Integrations Supported

3CX
Asterisk
Make

Integrations Supported

3CX
Asterisk
Make

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Plivo

Date Founded

2011

Company Location

United States

Company Website

www.plivo.com/sip-trunking/

Company Facts

Organization Name

AT&T

Date Founded

1983

Company Location

United States

Company Website

www.business.att.com/products/att-phone-for-business.html

Categories and Features

Business VoIP

Call Parking
Call Recording
Contact Management
Encryption
IVR / Voice Recognition
Ring Groups
SIP Trunking
Unified Communications
Voice Quality Enhancement

Cloud PBX

Call Recording
Call Routing
IVR / Voice Recognition
Ring Groups
SIP Trunking
Virtual Extensions
Web Conferencing

SIP Trunk

Automatic Fail-over Routing
Call Data Records
Caller ID
Disaster Recovery
International Numbers
Multiple DID Options
PSTN Forwarding
Toll-Free Numbers
e911

Categories and Features

Business Phone Systems

Call Logging
Call Monitoring
Call Recording
Call Routing
Employee Directory
IVR / Voice Recognition
Mobile Access
Virtual Call Center
Web Conferencing

Business VoIP

Call Parking
Call Recording
Contact Management
Encryption
IVR / Voice Recognition
Ring Groups
SIP Trunking
Unified Communications
Voice Quality Enhancement

Cloud PBX

Call Recording
Call Routing
IVR / Voice Recognition
Ring Groups
SIP Trunking
Virtual Extensions
Web Conferencing

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