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SIP Job Cost Overview

Typical total cost of Upwork SIP projects based on completed and fixed-price jobs.

Upwork SIP Jobs Completed Quarterly

On average, 31 SIP projects are completed every quarter on Upwork.

31

Time to Complete Upwork SIP Jobs

Time needed to complete a SIP project on Upwork.

Average SIP Freelancer Feedback Score

SIP Upwork freelancers typically receive a client rating of 4.49.

4.49
Last updated: September 1, 2015

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  1. Sergey P.

    Sergey P.

    VoIP and Linux Engineer

    Russia - Tests: 5

    OS: linux (gentoo, debian, centos ...), FreeBSD over 10 years using/administration Lang: perl, lua, shell (java, ruby, erlang studying) VoIP: asterisk, freeswitch, gnugk, kamailio/ser (over 7 year administration) PBX: Si2000 (v.5), Definity administration (SS7, ISDN) DB: mysql, postgresql Sec: DMVPN, IPsec, OpenVPN Publish: LaTeX

    $30.00 /hr
    76 hours
    5.00
  2. Kirill P.

    Kirill P.

    Asterisk Expert and System Administrator

    Russia - Tests: 10

    I work on IT more than 12 years. VOIP/Asterisk Developer, Expert System Administrator and Network Administrator, Perl Programmer. Generally, I develop solutions based on Asterisk and speech technologies (speech synthesis and speech recognition systems), complex IVRs, integration with external sources and databases, custom click-to-call and callback systems, etc. I prefer custom development for Asterisk and FreeSWITCH. Usually, I use Perl for development. I have huge experience in solutions based on Asterisk such as FreePBX, Elastix, Trixbox, vicidial, etc. Also I support critical 24x7 systems, administration networks and servers, perform IT consulting, etc.

    $25.00 /hr
    47 hours
    4.99
  3. kashyap patel

    kashyap patel Agency Contractor

    6 Year Experience In VoIP,SIP,Asterisk,Elastix,VICI,A2Billing,Tribox,

    India - Tests: 6 - Portfolio: 10

    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 using 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.

    Associated with: Kingasterisk technologies

    $16.67 /hr
    26 hours
    3.98
  4. Yuriy N.

    Yuriy N. Agency Contractor

    Freeswitch/Asterisk/OpenSIPS/Kamailio/Linux/Network/VoIP Enthusiast

    Russia - Tests: 1 - Portfolio: 1

    Telecom Software and Network Engineer more than 6th years in companies - communication providers. I have extensive experience with deploying a complete infrastructure of voip provider, using OpenSource telephony technologies such as freeswitch, asterisk, OpenSIPS\Kamailio, kazoo, etc. Mostly I'm dealing with emerging startups or with small but accomplished voip companies which want to improve\reorganize their infrastructure; create something new or fix some issue on their network. So it is main area but sure I can help with other projects that correspond to my list of skills.

    Associated with: Nasida

    $40.00 /hr
    1,118 hours
    4.97
  5. Muhammad T.

    Muhammad T.

    Netwok/System Engineer

    Pakistan - Tests: 18

    With a background in IT support, operations management, configuration, and maintenance of information system, IT Infrastructure, I have 2+ years of international experience working with many companies. Currently I am the Assistant Manager, IT in Ibrama Communication company. Ibrama Communications is one of a biggest outbound call center in Pakistan with 300 seats and complete infrastructure.In this position, I oversee, Network/Systems Management, Troubleshooting client issue, Monitoring Live Windows and Linux based servers as well, Solutions, and Integration. Present Job summary is: Designing & Managing IT (voice / networking) infrastructure for business continuity and development. Designing and managing LAN infrastructure which includes Linux Based Calling servers & Voice communication (using Asterisk, freePBX, Vicidial etc) , Virtualization (using VMware ESXi version 3, 4 & 5), routing and switching (Cisco), internet access and Wi-Fi environment. Designing and maintaining Business Continuity and Management solution Configuring Cisco Switches (Cisco 3750, 3560,3550 series) Monitoring of live Linux based Vicidial/Goautodial outbound and inbound servers Installing new servers, with hands on experience on (Poweredge R710, Poweredge 1950) servers Installing/Configuring proxies server with PPTP protocols on daily basis Configuring TP-Link routers with Wi-Fi communication all over the office building Maintenance and Optimization of servers on daily basis to make the whole voice infrastructure making smoothly working Configuring Microtik Routers Troubleshooting client issue related to servers, internet, system and making the whole network infrastructure secure with the minimum percent of downtime My motivation to identify new growth opportunities, a solution-focused mindset combined with the ability to navigate across departments and business units, and my in-depth IT experience will allow me to contribute instantly to the success of your division. I welcome the opportunity to meet with you to discuss your vision for growth and how my skills would contribute help you achieve your objectives. Thank you for your time and consideration. Sincerely, M Tahir

    $7.00 /hr
    0 hours
    0.00