VoIP Developers For Hire

  • VoIP
Suggestions:
more

Countries

Specific Location

Exams

Hourly Rate (USD)

Rating

Online

  • Hire dailas
    5.6
    61 reviews $25 USD per hour
    Specialties: IT Management, Network Engineering, MS Windows & Linux administration, Asterisk PBX (dCAA), FreePBX (SCE), user support, computer maintenance and support, Web-services, CCTV More than 5 years of Asterisk PBX (plain, elastix, FreePBX) administration and support. Digium Certified Asterisk...
    Specialties: IT Management, Network Engineering, MS Windows & Linux administration, Asterisk PBX (dCAA), FreePBX (SCE), user support, computer maintenance and support, Web-services, CCTV More than 5 years of Asterisk PBX (plain, elastix, FreePBX) administration and support. Digium Certified Asterisk Administrator FreePBX Sangoma Certified Essential PBXact Sangoma Certified Essential less
  • Hire larymonata
    6.1
    46 reviews $30 USD per hour
    10 years experience with Asterisk, VoIP and Linux servers. I have extensive and practical experience with Asterisk and have developed many custom applications with asterisk. Listed below few of the applications that I built over asterisk. * Hosted and Multi Tenant PBX systems * Callcenter Solutions with...
    10 years experience with Asterisk, VoIP and Linux servers. I have extensive and practical experience with Asterisk and have developed many custom applications with asterisk. Listed below few of the applications that I built over asterisk. * Hosted and Multi Tenant PBX systems * Callcenter Solutions with predictive, preview and progressive dialing * Softswitch with billing solution * Auto dialers * Clicktocall solutions * IVR Solutions less
  • Hire Erewin
    5.8
    32 reviews $30 USD per hour
    Hello, my friends! There are what i have done in this 2019 year. - Increase disk space on VM without power off - Moving VMs between ESXI hosts - Colored fax on Hylafax+ - Raspberry Bluetooth Asterisk voip\gsm gateway, - Voip Push Notification iOS, - Bluetooth-Asterisk-GSM Gateway, - SIP Load-Balancers, - TLS SIP...
    Hello, my friends! There are what i have done in this 2019 year. - Increase disk space on VM without power off - Moving VMs between ESXI hosts - Colored fax on Hylafax+ - Raspberry Bluetooth Asterisk voip\gsm gateway, - Voip Push Notification iOS, - Bluetooth-Asterisk-GSM Gateway, - SIP Load-Balancers, - TLS SIP Implementation, - Freepbx Survey module, - Whitelist Kamailio sip server for millions numbers in db, - Deploy PAMI to Asterisk to make server more faster for wholesale, ... etc. I am voip developer who loves his job. Be free to ask me any question. less
  • Hire AbrahamBU
    5.5
    30 reviews $20 USD per hour
    *Dedicated Freelancer* 9+ Years Robust Experience as a Lead Engineer. Master in VoIP Platforms and Integration with other components of OSS/BSS, Telecom Networks and CRM products. CCIE Level Network Knowledge and Robust Telecom Experience. (NOC Manager) Expert in WebRTC and Asterisk along with a deep...
    *Dedicated Freelancer* 9+ Years Robust Experience as a Lead Engineer. Master in VoIP Platforms and Integration with other components of OSS/BSS, Telecom Networks and CRM products. CCIE Level Network Knowledge and Robust Telecom Experience. (NOC Manager) Expert in WebRTC and Asterisk along with a deep understanding and experience in Signalling and Media protocols, furthermore in Secure calling and Media encryption. Having 100++ successful setup and integration, I am fully familiar with every single issue or bugs you may face in WebRTC related projects and Asterisk. I am also experienced with Mobile Network Infrastructure as well as OSS/BSS platforms in Carrier WiFi, Carrier VoIP and general concept of Mobile Data Offloading. I did also managed to run a massive ISP with +500000 customer base and +200000 live users. hands on experience on various VoIP/Network tech and devices Ability to train, motivate and supervise a team Kindly please contact me for more details. less
  • Hire kzaouli05
    5.1
    12 reviews $25 USD per hour
    Telecom/WebHosting/Voip/PBX/System administrator, +15 years of experience in Installing, configuring and managing Systems, Asterisk, Autodialing, FreePBX, Vicidial, GoAutodial, A2billing, IVR, Voice to Mail, Predictive Dialing, Calling Cards(PIN), Voice/SMS BroadCasting, WebRTC, WebPhone, WSS. As a company, we are...
    Telecom/WebHosting/Voip/PBX/System administrator, +15 years of experience in Installing, configuring and managing Systems, Asterisk, Autodialing, FreePBX, Vicidial, GoAutodial, A2billing, IVR, Voice to Mail, Predictive Dialing, Calling Cards(PIN), Voice/SMS BroadCasting, WebRTC, WebPhone, WSS. As a company, we are a SIP VoIP Provider with competitive rates and the HIGHEST availability levels within multi Systems integration for large traffic. We offer VoIP multi-systems installation packs, multi machines and deliver "All in one unified solution" to support large traffic, billing system , Trunks management, users payment gateways, reports, recordings, security and Web SIP Registration/Login portal. Depend your needs, startup, medium, large usage, welcome to the game. Regards, Kamal zaouli less
  • Hire FranMercedesG
    5.3
    45 reviews $40 USD per hour
    ● Linux/Unix System Administration - Installation and Configuration Storage: ISCSI, DRBD, GlusterFS, and Ceph. File servers: FTP, NFS, and Samba. Web Server: Apache, Tomcat, and Nginx. Database: MySQL, Postgres, MongoDB Cache & Proxy: Squid, Nginx, and Lusca. Mail Server: Postfix, Sendmail, IredMail, Qmail, and...
    ● Linux/Unix System Administration - Installation and Configuration Storage: ISCSI, DRBD, GlusterFS, and Ceph. File servers: FTP, NFS, and Samba. Web Server: Apache, Tomcat, and Nginx. Database: MySQL, Postgres, MongoDB Cache & Proxy: Squid, Nginx, and Lusca. Mail Server: Postfix, Sendmail, IredMail, Qmail, and Zimbra. Automation: Ansible. Network Services: DNS, NTP, VPN, and DHCP. Identity Authentication: OpenLDAP, and FreeIPA. Security: IPtables, Firewalld, SELINUX Monitoring: Nagios, Zabbix, and Cacti. ● Virtualization and Cloud Computing KVM: Proxmox, RHEV, and OVIRT VMware: VSphere 5.x, VSphere 6.x Cloud: OpenStack Hyper-V ● Networking and Security Firewalls, Routers, Load Balancers: MikroTik, Cisco, Soniwalll and Pfsense. VPN: Management and configure Site-to-Site/VPN-as-Service (L2TP-PPTP/OVPN) ● VoIP Asterisk / Elastix / FreePBX / Issabel Hosted PBX Solutions. Asterisk Security Call Center Solutions (Vicidial,Goautodial). Custom Asterisk Development (PHPAGI,Bash Scripting). less
  • Hire MoboticsTech
    5.1
    2 reviews $14 USD per hour
    WEBSITE AND MOBILE APP DEVELOPMENT COMPANY with High-level expertise with 6+ years of experience. Mobotics is an information technology solutions offers customized Web (PHP) and Mobile application (IOS, Android & Hybrid) development services. Strengths:- - High-quality custom development services - Able to work...
    WEBSITE AND MOBILE APP DEVELOPMENT COMPANY with High-level expertise with 6+ years of experience. Mobotics is an information technology solutions offers customized Web (PHP) and Mobile application (IOS, Android & Hybrid) development services. Strengths:- - High-quality custom development services - Able to work with client’s timezone - Successful record of 98% happy and satisfied clients Our Technologies Expertise:- Digital Media:- (SEO, SMO, PPC, Brand Management, Email Marketing, SMS Marketing) Asterisk:- (VoIP call center solution, IPRN, VoIP billing, EPBX, IVR, WebRTC) Web Technologies Expertise:- (Codeigniter, Laravel, Magento, Wordpress, Node js, Angular js, React js, HTML5, Bootstrap, Jquery, Ajax) Mobile Apps:- (IOS, Android, Hybrid- shopping cart app, VoIP app, chatting app, attendance management app etc) SMS & USSD Solutions:- (SMPP & HTTP protocol), Payment Gateway Integration. Our Other Technologies Expertise:- JQuery, Ajax less
  • Hire kingAsterisk
    6.1
    25 reviews $15 USD per hour
    We are provides Desktop Management, Server Management, Network Management( Windows & Linux Both) & call center solutions with products ranging from Soft Predictive dialers to VoIP Gateways from VoIP minutes to Servers.. 1. Predictive Dialer on RENT(EMI) 2. Predictive Dialer with UNLIMITED MINUTES (COMBO PACK) 3....
    We are provides Desktop Management, Server Management, Network Management( Windows & Linux Both) & call center solutions with products ranging from Soft Predictive dialers to VoIP Gateways from VoIP minutes to Servers.. 1. Predictive Dialer on RENT(EMI) 2. Predictive Dialer with UNLIMITED MINUTES (COMBO PACK) 3. PREDICTIVE DIALER with purchase mode 4. UNLIMITED VoIP A to Z Network & Call Center Solutions Asterisk * System Integration, from small office to carrier grade * Skype <-> SIP <-> Asterisk * Custom applications * Billing solutions * Auto / mass dialing solutions * Advanced AGI scripting A2Billing * Billing customization * Callback customization * CDR customization * IVR customization * Softphone Integration * Multi owner solution * Reseller solution * Clustering / Backup / Failover / Monitoring * Security / Hardening ViciDial * Complete configuration and customization for call centers * Inbound / Outbound strategies Call Shop * Complete configuration and customization for call shops * Asterisk-based easy-to-use solutions * Integration with traditional systems and equipment Trixbox / FreePBX / Elastix * Complete configuration * Customization GNU/Linux * I use Debian from year 2000 * SysAdmin * Webmaster * MySQL / SQLite DBA * RAID * Disaster Recovery * Custom monitoring and with Nagios * Open / Closed / Custom encryption * Security Manager Hardware * Digium * Sangoma * OpenVox * AudioCodes * Siemens * Gigaset * Panasonic * HP ProCurve Specialties Software Development, Server Management(Windows & Linux),Network Management,Configure DHCP,port forwarding etc for Windows & linux networks.Dialer Technical Support with VoIP Server Technical Support (All types of VoIP devices), VoIP Minutes Re seller with dialer. Social skills: excellent in team, individual,on-site or remotely, relaxed or under stress. Organizational skills: excellent with analyst duties,alone or in team,with project manager duties,with self-managed time or with magnetic badge. Installation Expertises in Asterisk, Freeswitch, vicidial, astercrm, A2billing, Free PBX, Elastic etc. IVR specialist in asterisk Advanced Dialplan in asterisk Useful and cost-effective phone management system planning & designing & installation Expertises in Digium, Sangoma, Openvox and other type of PRI & PSTN Card installation. Connecting Multiple Asterisk Server & Cloud Solution for asterisk Call centre setup using vicidial Advanced Voice broadcast system Training on Asterisk Advanced Call Recording Solution usi ng Asterisk Specialties Asterisk, Freeswitch, vicidial,A2billing, Free pbx, elastic, PRI & PSTN card installation, call centre setup, Advanced IVR, Cloud solution using asterisk, training on asterisk, voice broadcast etc. less
  • Hire alexcrtelecom
    4.3
    6 reviews $35 USD per hour
    VoIP Engineer more 9 years Asterisk experience VoIP * Asterisk development & support * Trixbox * FreePBX * TDM & E1/T1 (PRI) configuration * Digium cards support * SS7 * Dialplan & IVR development with DB integration * Inbound/outbound call center * Gateway configuration, provisioning, support...
    VoIP Engineer more 9 years Asterisk experience VoIP * Asterisk development & support * Trixbox * FreePBX * TDM & E1/T1 (PRI) configuration * Digium cards support * SS7 * Dialplan & IVR development with DB integration * Inbound/outbound call center * Gateway configuration, provisioning, support (Sipura,Cisco,Grandstream, Digium.....) Linux OS: * Gentoo * Ubuntu * Fedora * RedHat * CentOS * Debian Networking * Apache, nginx * BIND * MySQL (adminstration, backup, replication, procedures) * SSHD * VSFTPD * PRO-FTPD * ..... Monitoring services * Zabbix (including integration with Asterisk) * Nagios * Cacti Asterisk installation and support - http://asterisk-service.com free help on Q&A - https://asterisk-service.com/forum/help-1 less
  • Hire nasirbest
    5.8
    16 reviews $30 USD per hour
    ICTInnovations is a software company having specialization in Telecommunication Industry. ICT Innovations is a team of innovative, positive, objective, highly qualified and research oriented professionals having in depth knowledge of broad spectrum of Information and Communication Technologies (ICTs) with extensive...
    ICTInnovations is a software company having specialization in Telecommunication Industry. ICT Innovations is a team of innovative, positive, objective, highly qualified and research oriented professionals having in depth knowledge of broad spectrum of Information and Communication Technologies (ICTs) with extensive experience in open source Software, LAMP Development, Linux platforms, TCP/IP Networking and VOIP Communication Systems. http://www.ictinnovations.com http://www.ictbroadcast.com less

Hey , here are some offline freelancers

Hey , here are some offline freelancers matching ""