VOIP Services

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Read this page to fully understand the benefits and features of VOIP.

DHP Group VOIP Services

If you are still hesitant about adopting VOIP, we recommend using DHP Group’s free VOIP consultation services. Our team supports you through every stage of consultation, assessment, installation, implementation, and maintenance of a VOIP project. Our trained and experienced staff ensure the best solutions and equipment tailored to your organization’s needs.

  • Free Consultation Expert consultation provided by experienced specialists
  • Equipment Supply Provision of all VOIP equipment with guaranteed authenticity and quality
  • Installation & Setup Quick installation by DHP Group’s professional staff
  • Training System usage training via workshops and tutorial files
  • Support 24/7 customer support

Features of DHP Group VOIP Services

Our VOIP services include a wide range of features that can be customized according to your organization’s requirements.
  • Call transfer to the next operator if the current operator is unavailable
  • Define different system behavior for various working hours
  • Support for voicemail
  • Send voicemail files to management email
  • Notify management via SMS when voicemail is received
  • Define blacklists, whitelists, and VIP lists
  • Caller authentication
  • Create different workgroups (sales, technical, after-sales, etc.)
  • Software fax for organization-wide use
  • Conference call functionality (add participants to calls)
  • Call recording for all incoming and outgoing calls
  • Archived storage of recorded calls
  • Search recorded calls by caller number, extension, time, date, or operator code
  • Call reporting (based on system default reports)
  • Web access to recorded calls with playback and download options
  • Time restrictions on calls
  • Call Back requests for busy extensions or lines
  • Queue management for different workgroups
  • Fair distribution of incoming calls and customizable distribution algorithms
  • Re-queue calls within created groups
  • Notifications before or after connecting with the call management system
  • Custom IVR branches
  • Forward calls to voicemail if queue length increases
  • Queue number announcement & SMS Call Back
  • Operator number announcement
  • Average waiting time announcements
  • Multi-language support
  • Q&A software with tracking codes
  • Announce operator name before connecting call
  • Operator performance surveys
  • Backup system configuration
  • Support for E1 lines
  • Integration with other software (CRM, Accounting, etc.)
  • Use mobile phones as internal extensions via app
  • Create innovative services
Issabel VOIP Server

VOIP Add-on Modules

Survey Module

  • The most comprehensive and professional customer feedback system after calls
  • Record caller satisfaction using a score from 1 to 5
  • Option to leave a voice message after rating
  • Survey reports available in multiple formats
  • Export reports in Excel and PDF formats
  • Listen to and download recorded audio messages
  • High stability and full compatibility with Issabel VOIP system
Telephone Survey Module
Auto Dial Module

Auto Dial Module

  • Schedule automatic call start times
  • Check call success status
  • Allow user response via key press or voice message
  • Create call patterns for user responses
  • Send SMS if call fails
  • Set different messages for different numbers
  • Generate reports for completed calls
  • Define time ranges to retry failed calls
  • Set number of retries for failed calls

Management Dashboard Module

  • View call reports through charts and dashboards
  • Apply various filters to the data
  • Analyze charts
  • Apply visual changes to charts
  • Drill-down into data across different levels
  • Automatic dashboard update scheduling
  • Support for mobile, tablet, monitor, and TV screens
  • Generate reports for telephony systems and Call Centers
Management Dashboard Module
Call Scheduling Module

Call Scheduling Module

  • No need for in-person visits
  • Organize centers and prevent crowding
  • Save time and costs for staff and clients
  • Eliminate personal biases in scheduling
  • Increase speed and accuracy
  • Integrate with other scheduling software
  • Define days and hours based on specialties
  • Set number of appointments and schedule for future days
  • Incremental scheduling (e.g., 20 today, 10 next day, 5 following day)
  • Define service units
  • Define service providers and record their voice names & hours
  • Register payments
  • Reschedule appointments
  • Send SMS for cancellation, reminders, or confirmations
  • Announce appointment time with tracking code
  • Announce day, date, and hour of appointment
  • Provide tracking code for follow-up and cancellation by the client
  • Prevent duplicate bookings
  • Define staff leave
  • Set holidays and other off-days
  • Generate detailed reports by unit or staff over time

Components of a VOIP Telephone System

  • VOIP Gateway

    A VOIP Gateway connects analog phone lines or E1 lines to your data network (internet or LAN). It is essential for linking traditional phone systems to an IP-based telephony system.

  • VOIP Server

    The server handles all call creation and management. VOIP systems are limited by hardware and software capacity. A powerful server is not always required.

  • VOIP Phones

    Also called IP Phones, they connect via Ethernet and communicate with the VOIP server using data packets for voice transmission.

  • Analog Telephone Adapters (ATA)

    Used to connect traditional analog phones to a VOIP network via an ATA or FXS Gateway.

VOIP Phone
VOIP Server
FAQ

Frequently Asked Questions

  • How does VOIP work?

    VOIP technology converts voice into IP data packets containing headers (for control) and payloads (for data exchange). These packets travel over TCP/IP networks to reach the destination.

  • Do I need special equipment for VOIP?

    It depends on your implementation scenario, but typically VOIP equipment is required. Our free consultation will guide you on the best setup and required devices.

  • Can I use VOIP for faxing?

    Yes, VOIP can be used to send and receive faxes.

  • Is VOIP call quality as good as regular phones?

    Yes. Early VOIP adoption had concerns over packet loss affecting voice quality, but with proper bandwidth and modern connections, VOIP quality matches that of a landline.

  • Why should I use VOIP?

    Cost savings are a major reason, but VOIP also offers flexibility. You can keep a single number and answer calls anywhere in the world. It is customizable and ideal for growing businesses.

  • What is SIP Trunk?

    SIP Trunking replaces analog or E1 lines, allowing multiple simultaneous calls on a single number. It integrates with your organization’s PBX for internal, external, and international calls without limits on concurrent calls.

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