I am a VoIP engineer and VICIdial expert with extensive experience in configuring and optimizing call center solutions. I specialize in setting up inbound and outbound calls, IVRs, avatars, and custom scripts to enhance efficiency. I provide end-to-end VICIdial support, including retrieving dialing data, call recordings, troubleshooting, and ensuring seamless performance. With deep expertise in VoIP, call routing, and system administration, I deliver custom solutions tailored to your business needs. Additionally, I offer agent training to maximize productivity. Let’s build a high-performing call center together!
VICIDIAL
Call Center Management
Campaign Reporting
Inbound Inquiry
Outbound Sales
Outbound Call
Transferring Phone Calls
IT Support
Online Chat Support
Report
Rehman A.
Lahore, Pakistan
$15/hr
5.0
10 jobs
Reman Ali is VOIP and IT Professional with more than 5 year+ of
in-depth knowledge & expertise in leading Cisco, Asterisk VoIP,
Freeswitch, Vicidial and FreePBX. Vast experienced in the support and development of
VOIP & telecommunications projects. Excellence communication
skills with highest level of customer support. Diverse expertise on
operating systems (Linux & Windows) and multiple CRMs.
VICIDIAL
VoIP
CentOS
Call Center Management
Business Process Outsourcing IT Services
FreePBX
API Integration
VoIP Administration
GSM
Asterisk
3CX
VoIP Software
Session Initiation Protocol
Abid Ur R.
Lahore, Pakistan
$45/hr
4.6
307 jobs
Hello, Thanks for visiting my profile. This is Abid Ur Rehman, a certified Asterisk Developer DCAP, VoIP Consultant, VICIDial, FreePBX SCE, 3CX v18 and v20 Certified Advanced Engineer, Elastix ECE, GoAutoDial, The SIP School SSCA, PBXWare, A2Billing, FreeSWITCH, Twilio, FusionPBX, ASTPP, Network CCNA, Windows Servers MCSE, and Linux RHCE certified expert.
I graduated with a BS in Telecommunication and an MSc in Telecommunication Networks.
Having over 13 years of VoIP/Linux/IT/network planning, design, development, deployment, optimization, administration, and support experience in top-notch organizations such as Telappliant Ltd., Cybergen, SCB Global, Dialer360, and Astericom.
Skills and Certification:
IP PBX: 3CX, Asterisk, FreePBX, Elastix, PBXware MT, FreeSWITCH, FusionPBX, Issabel, VoIPOffice
AI Agents/Integration: ElevenLabs, Vapi
SMS Blast/Broadcast using SignalWire, VoIP.ms, Telnyx, Anveo, Bandwidth, Plivo, Skyetel, Twilio, VoxTelesys, BulkSolutions, Flowroute, Intelepeer, and BulkVS
Telecom Billing: A2Billing, ASTPP, VOS3000, and Magnus Billing.
Dialer: VoiceBroadcast, VICIDial, GoAutoDial, VICIBox Multi-Server Clustering, Dialer360, Primo Dialer
IP Phones: Aastra, AND phone, Algo, AudioCodes, Cisco, Cisco/Linksys, CloudTC, Cortelco, CyberData, Digium, H-Tek, Incom, Intelbras, Konftel, Mocet, Norphonic, Obihai, Panasonic, Patton, Phoenix Audio, Polycom, Snom, Thomson, Unidata, Uniden, VTech, Xorcom, Yealink, Yealink/Dreamwave
IP PBX (hardware): Sangoma PBXact UC / FreePBX, Elastix IP PBX, Grandstream UCM, Yeaster S-series, Renegadepbx-1U-Appliance-with-FreePBX, Patton's gateways
VoIP Providers:
USA and Canada: Astericom, Twilio, VoIPdotms, Switch2VOIP, SignalWire, Anveo, Alcazarnetwork, voxbeam, Telus, RingCentral, Call Centric, Voyant (Vitelity), Nextiva, bandwidth, Altotelecom, FlowRoute, QuestBlue, sipdotus, DIDLogic, Nexmo, Plivo, siptrunkdotcom, Telnyx, IDTExpress, Zadarna
SMS and Bulk SMS: I can write code for you to send and receive SMS using any Asterisk and FreeSWITCH server and through popular providers like Telnyx, Twilio, Bandwidth, VoIPdotms, and SignalWire. For bulk SMS, I can set up a code with the front end for sending bulk SMS from a CSV .
UK: Fuse 2, BT, VoIPTalk, DrayTEL, Telappliant, Gamma, sipgate, VoIPFone, VoiceFlex, Voicehost, Brightstar, Yellowgrid, Gradwell, T4com Ltd, Voxbeam, and Spitfire
Linux Distros: CentOS, Redhat EL, Ubuntu, OpenSUSE, Debian, Back Track (Kali Linux)
Windows machines: Windows Server 2012 and 2016, Windows Desktop 11, 10, 8, 7, and XP.
Cloud Platforms: AWS EC2 and LightSail, GCP, Vultr, BlueHost, HostGear, Hetzner, and Digital Ocean
Coding: PHP, MySQL, Lua, XML, JSON, HTML
I would be very happy to assist start-ups as well as SMEs in achieving their goals and business objectives.
Thank you!!
VICIDIAL
VoIP
FreePBX
Linux System Administration
Asterisk
3CX
MySQL
VoIP PBX
Full-Stack Development
VoIP Administration
Twilio
PHP
VoIP Software
PBX
AI Bot
Junaid F.
Bannu, Pakistan
$10/hr
4.9
50 jobs
Greetings,
Are you in need of VOIP PBX setup and IP calls, SMS, and call center features for your business?
I am Junaid, a certified Asterisk, a 3cx certified (beginner to advanced) Engineer.
My job responsibilities include Installation and configuration of IP PBX on cloud platforms such as Vultr, AWS (Lightsail, ec2), Digitalocean, Azure, and on-site installation on local machines or virtual machines. I am an Asterisk certified, 3cx advanced certified engineer, FreePBX, and FusionPBX expert.
My Graduation is in Telecom and have seven years of experience in IT, VOIP, and Server Administration.
Skills (VOIP)
- Install, Configure, and set VOIP Pbx on Linux and Windows operating systems.
- Configure custom domain and DNS setup with SSL configuration or Let's encrypt.
- PBX Configuration includes extensions creation, Ring Groupes, IVR (Digital Receptionist) Call
Queues, Time Conditions, Inbound and Outbound routes setup, and Voicemail.
- SIP Trunk configuration for external inbound and outbound calls. The SIP setting also includes the
network configuration and port (SIP 5060) setup.
- Network and Firewall setup for smooth call routing on UDP and TCP protocols.
- IP Phones ( Yealink, Fanvil, or Grandstream phones) and softphones (Xlite, Microsip, 3cx, Zoiper)
configurations and provisioning with the PBX server.
- Integration of third-party software like open source CRM (Vtiger, Zoho, Oddo), Billing software
(ASTPP, A2billing).
- Voice codecs and Transcoding setup.
- Call flow app designing.
- Troubleshoot the errors and issues in configuring the PBX.
- Provide ongoing support and troubleshoot the issues on remote Anydesk or Zoom.
VICIDIAL :
Inbound and outbound campaign configuration. Predictive dialing campaigns, Preview dialing campaigns, and soundboard setup.
Installation and configuration of cluster setup containing database server, web server and telephony server.
IVR setup in ViciDial
AI Voicebot
We can use Asterisk to build your AI Agent that will handle the custom call flow and handle tasks.
Integration of Microsoft Azure Speech to Text, Text to Speech and OpenAI with Asterisk/Freepbx
Linux and IT Skills
I am a certified RHEL administrator working on web server installation and configuration on Apache and Nginx, file system, installation, ownership, and permission, partitions, Archive compression tools and Rsync, Fdisk partitioning cases, Process and daemons, and performance monitoring. My job responsibilities as Linux admin include:
- Installing VOIP PBX servers or Application servers on Apache and Nginx.
- Configure Nginx as a Reverse proxy server.
-Taking Backup of the Pbx and restoring on the new server.
- Cron job scheduling in Linux for monthly and weekly backup, auto-renewal, and auto-recording
deletion
- Basic and advanced file system management and swap files.
- Cisco certified network administrator, having work experience on Cisco switches, routers, and
bridges.
- Basic skills include Windows servers 2012, 2016, and desktop Windows 10, 8, and 7.
- DNS and IP aliasing.
- RPM Install, upgrade, and erase packages in Linux.
- Performance monitoring using tools like Top, find, and FSH.
- Database Administration. VOIP Servers mainly use Mysql, MariaDB, and Postgresql.
Services
- AWS Cloud Computing. Managing ec2 and Lightsail instances.
- Aws S3 bucket configuration. Integrate S3 with external application servers.
- ServerClient model NFS server
- VSFTP Services
- Samba Server
- DNS server
- Mail Server
- Proxy server
VoIP
System Administration
Virtualization
System Security
3CX
Session Initiation Protocol
LDAP
FreePBX
Linux System Administration
Red Hat Administration
Asterisk
NGINX
Vtiger
CRM Software
Apache HTTP Server
Muhammad Aqib A.
Wanhar, Pakistan
$10/hr
5.0
2 jobs
VoIP engineer with experience of more than three years in the SIP stack. Designing, deploying, and managing real-time voice systems for a contact center solution. Work on FreeSWITCH, FusionPBX, OpenSIPS, and Jambonz, and expertise in VoIP architecture, SIP signaling, and IVR design
(conventional & conversational), and their HA deployments. Experienced in integrating open-source ASR/TTS engines. Adept in SIP debugging using Wireshark, sngrep, and Homer. Also
experienced in recording solutions (SIPREC/BIB). Currently seeking challenging opportunities as a VoIP/SIP Engineer, where I can leverage my expertise in real-time communication systems,
speech technologies, and infrastructure deployment to build scalable and intelligent solutions.
VoIP
VoIP PBX
OpenSIPS
FreeSWITCH
IVR Software
Scripting
Lua
Voice Recording
VoIP Administration
VoIP Software
AI Development
WebRTC
Interactive Voice Response
Shakeel S.
Rawalpindi, Pakistan
$6/hr
4.0
3 jobs
Need confirmed appointments with real decision-makers, not just dials on a spreadsheet? I'm a B2B Cold Calling and Lead Generation Specialist who turns cold lead lists into booked discovery calls for your sales/leadership team.
I specialize in outbound B2B cold calling, decision-maker identification, and lead qualification — with hands-on experience in Construction and Real Estate lead generation, so I already understand your sales cycle, common objections, and what makes a lead worth booking.
What I bring:
✅ Proven track record in B2B Cold Calling, Appointment Setting & Lead Generation
✅ Skilled at identifying and reaching Decision Makers past gatekeepers
✅ Strong objection handling — I qualify leads, not just collect "maybes"
✅ Fluent/Native English speaker with clear, confident phone presence
✅ High call volume capacity: [X] dials/hour, [X]+ dials/day
✅ Clean, consistent CRM documentation (calls, outcomes, follow-ups)
✅ Reliable high-speed internet + dedicated quiet workspace
✅ Comfortable working from provided scripts or refining them for better conversion
I treat every list like it's my own pipeline — professional on the phone, organized in the CRM, and focused on one outcome: booked appointments that turn into real business for you.
Let's talk about your target list, script, and goals — I'm ready to start dialing.
VICIDIAL
Appointment Setting
Virtual Assistance
Cold Calling
Life Insurance
Inbound Inquiry
Outbound Call
B2B Marketing
Construction
Cold Call
Lead Generation
Sales
Solar Energy
Real Estate
Appointment Scheduling
Construction Estimating
B2B Lead Generation
Telemarketing
Real Estate Cold Calling
Data Entry
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