Asterisk PBX Developers สำหรับการจ้างงาน

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Showing 32 results
  • จ้าง FranMercedesG

    FranMercedesG

    Dominican Republic $40 USD / hour
    Ing . Computer Systems
    Dominican Republic
    5.6
    58 รีวิว $40 USD ต่อชั่วโมง
    ● 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). ย่อ
  • จ้าง ilusionista1

    ilusionista1

    Angola $10 USD / hour
    System Analyst and Development
    Angola
    1.7
    1 บทวิจารณ์ $10 USD ต่อชั่วโมง
    I am from Angola, than my native language is porguese. I do have a fluent hability in english writing even speaking. I also do some works as Voice Over IP (VoIP), and Networking in a Telcom company. Linux Expert and CCNA
    I am from Angola, than my native language is porguese. I do have a fluent hability in english writing even speaking. I also do some works as Voice Over IP (VoIP), and Networking in a Telcom company. Linux Expert and CCNA ย่อ
  • จ้าง cristaor

    cristaor

    Colombia $15 USD / hour
    Ingeniero de Sistemas
    Colombia
    4.1
    4 รีวิว $15 USD ต่อชั่วโมง
    I am a software developer and telecommunication consultant. I have 15 years of experience working with asterisk, webapps and databases.
    I am a software developer and telecommunication consultant. I have 15 years of experience working with asterisk, webapps and databases. ย่อ
  • จ้าง alexcrtelecom

    alexcrtelecom

    Russian Federation $35 USD / hour
    Asterisk -dCAP
    Russian Federation
    4.1
    6 รีวิว $35 USD ต่อชั่วโมง
    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 ย่อ
  • จ้าง khanicha

    khanicha

    Indonesia $33 USD / hour
    Small Office Home Office Automation Specialist
    Indonesia
    4.5
    5 รีวิว $33 USD ต่อชั่วโมง
    Small Office Home Office Automation Specialist Located @ South East Asia. It is a groups of programmers which various skillsets
    Small Office Home Office Automation Specialist Located @ South East Asia. It is a groups of programmers which various skillsets ย่อ
  • จ้าง dailas

    dailas

    Russian Federation $25 USD / hour
    System Administrator Asterisk
    Russian Federation
    5.5
    65 รีวิว $25 USD ต่อชั่วโมง
    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 ย่อ
  • จ้าง charris1994

    charris1994

    United States $75 USD / hour
    Senior Level Developer, Implementer, Architect and Accounting
    United States
    2.7
    1 บทวิจารณ์ $75 USD ต่อชั่วโมง
    25+ years of experience in Programming, Database, Systems and Network Admin, Deep Unix, Windows, Mac knowledge with strong application experience on top. From anything as simple as print (brochures, etc) and web development to something as complex as server farm architecture for web/mobile phone app deployment, cloud...
    25+ years of experience in Programming, Database, Systems and Network Admin, Deep Unix, Windows, Mac knowledge with strong application experience on top. From anything as simple as print (brochures, etc) and web development to something as complex as server farm architecture for web/mobile phone app deployment, cloud or bare metal..from something as small as file conversion for importing with API's to something as complex as full blown class 4/5 VOIP soft switch C/SQL development and database/billing/invoice printing/accounting & scalable architectures...taking something technical or complex and turning it into plain English - I enjoy a challenge. ย่อ
  • จ้าง voiplinux

    voiplinux

    Ukraine $30 USD / hour
    Voip expert, Multitenant PBX/GUI, rtc, blockchain!
    Ukraine
    4.1
    5 รีวิว $30 USD ต่อชั่วโมง
    VOIP engineer ,16+ years of experience. I accept BITCOINS! Vicidial / CallCenter / Dialers Server-side installs of VOIP billing/routing, custom IVR, PBX, CRM, CallCenters Development of SIP Android Dialers, WEB-rtc dialers, click2dial etc.. Writing ajax modern GUI for PBX systems. Most skilled in ...
    VOIP engineer ,16+ years of experience. I accept BITCOINS! Vicidial / CallCenter / Dialers Server-side installs of VOIP billing/routing, custom IVR, PBX, CRM, CallCenters Development of SIP Android Dialers, WEB-rtc dialers, click2dial etc.. Writing ajax modern GUI for PBX systems. Most skilled in Asterisk PBX (dialplan,AGI/AMI/ARI ), API development. Expert in : VMware(ESXi, vCenter, iSCSI setup ), QEMU, OpenVZ,(Proxmox) BlockChain / CryptoCurrency programmer. Also skilled in: - FreeSwitch(fusionPBX), Kamailio, A2billing, webrtc(sipml5,sipjs), - SQL (I am SyBase/.MySQL expert!) - Cisco, RADIUS, AAA Programming on: php, bash, C, JavaScript, CSS Protocols: SIP/H323, RADIUS, REST API, SSL, SNMP I am good in VOIP products like: - ItelSwitch (core4billing, dialers, ByteSaver, Callshop) from REVE soft. - MVTS wholesale / SnapBilling, Billbery(jerasoft) - VoiceMaster Billing, VM/SM, PBX, Norfa, Tornado M5 - VOS3000 more at http://a4business.com ! ย่อ
  • จ้าง AbrahamBU

    AbrahamBU

    Saudi Arabia $30 USD / hour
    Senior Network /VoIP Engineer and Consultant.
    Saudi Arabia
    5.3
    29 รีวิว $30 USD ต่อชั่วโมง
    Full Time Dedicated Freelancer I am a very resourceful, loyal and reliable person, working long-term either as solo one man army or running my own tech nerd teams that does R&D/DevOps beyond your expectations. 9+ Years Robust Experience as a Lead Engineer. Master in High-end VoIP topologies and integration with...
    Full Time Dedicated Freelancer I am a very resourceful, loyal and reliable person, working long-term either as solo one man army or running my own tech nerd teams that does R&D/DevOps beyond your expectations. 9+ Years Robust Experience as a Lead Engineer. Master in High-end VoIP topologies and integration with other components of OSS/BSS, Telecom Networks and CRM products. CCIE Level Network Knowledge and Robust Telecom Experience. (NOC Management) Expert in WebRTC and Asterisk along with a deep understanding and experience in Signalling and Media protocols, offering military grade encrypted call and messaging solutions. Experienced in enterprise carrier networks , supervising high-end Voice/Data offloading, ISP/wISP and carrier wifi solutions, with deep understanding of the whole image of the network and processes involved. hands on experience on various VoIP/Network tech and devices Ability to train, motivate and supervise a team A team that success is a team of trust ;) ย่อ
  • จ้าง djlucas1234

    djlucas1234

    United States $25 USD / hour
    Full stack web developer
    United States
    2.0
    1 บทวิจารณ์ $25 USD ต่อชั่วโมง
    My main skills 1) Website building - Angular (Including AngularJS) - VueJS - ReactJS - Asp.net MVC & ASP.net Core 2) Website scraping - Instagram - Facebook - Shopify or any ecommerce site 3) Mobile App - Native & Hybrid 4) Desktop - Telerik & Devexpress - SpringFramework Feel free to contact me any...
    My main skills 1) Website building - Angular (Including AngularJS) - VueJS - ReactJS - Asp.net MVC & ASP.net Core 2) Website scraping - Instagram - Facebook - Shopify or any ecommerce site 3) Mobile App - Native & Hybrid 4) Desktop - Telerik & Devexpress - SpringFramework Feel free to contact me any time! Thanks ย่อ

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