Maximize the Impact of your Communication

Bulk voice message delivery services from DSNL

Voice Messaging Services From the Industry Leader

Door Sabha is India’s largest independent, integrated Command, Control, Collaboration (C3) service provider. Powered by the indigenous Qmulus100 conferencing platform, our bulk voice messaging and communication services offer the performance and reliability demanded by today’s businesses.

What is Bulk Voice Messaging?

Audio conferencing is the easiest way to converse with multiple people across locations. All you need is a mobile handset or a simple telephone. Keep the discussion on track by controlling who talks and who can’t. Effortlessly conduct a moderated Q&A session. Fulfill all business communication needs and achieve more with DSNL’s audio conferencing services.

How does bulk voice messaging work?

A successful bulk voice messaging campaign includes three steps.

Create the message 

Write a simple, coherent script and get it recorded. Ensure the message adopts the right tone and is read out at the right speed.

Prepare the list of users

Prepare the list of users that must receive the message, along with person- specific variables, if required.

Trigger calls

Once the message and list are prepared, you are ready to trigger calls to the numbers at the scheduled time and date.

How can bulk messaging services enrich your business plans?

There are compelling reasons why audio conferencing remains the first choice of business leaders.


Save costs while achieving exceptional results with bulk voice messages, the cheapest option to disseminate information.

Personalized messaging

Deliver messages customized for each user by incorporating variables such as an amount or account number.

Instant responses

Prompt the call recipient for a response during the call and collect feedback. Make insightful, data-backed decisions.

Why choose DSNL as your bulk messaging service provider?

When you plan a bulk voice messaging campaign, customer experience is of paramount importance. Let the voice communication experts at DSNL ensure its success.


Superior voice quality

Deliver crystal-clear audio, regardless of the size of your list or the length of the message.


Multi-carrier connectivity

Ensure the message reaches maximum users with our connectivity to multiple telecom carriers.


Customer support

Our expert team is always available to assist you with your voice campaigns.


Robust technology

DSNL’s voice message services are powered by our indigenously designed, cutting-edge Qmulus100  platform.

Our Clients

Clients Testimonial

“The best conferencing company to rely on when you need to conduct critical or large meetings. Their support is top-notch — before, during, and after the call. Strongly recommended.”

Chief Marketing Officer, Global Pharma Major

DSNL’s voice messaging is an integral element in all our product promotion plans. The reach and response have been amazing.”

Product Director, Fast-growing Insurance Aggregator

“We found a dependable solution provider in DSNL, thanks to their connectivity to multiple networks. This has been a real lifesaver”.

COO, Leading Healthcare Company


1. How can I schedule a voice campaign?

Get in touch with our Customer Support team to discuss the available options and plan the campaign for optimal results.

2. Is there a minimum or maximum limit to the numbers that can be called?

No. You can have one or a million numbers (or even more) on your list. Our team will optimize the resources to reach every user.

3. Can I request an instant triggering of calls?

Yes, in most cases. Depending on the list size and the current load on the network, our experts will suggest the best options.

4. How can I plan a campaign with personalized messages?

We need a CSV or Excel file in a particular format, with the numbers in one column and the respective variable in another. Contact our Customer Support team, who can help you prepare the list.