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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, 33 SIP projects are completed every quarter on Upwork.

33

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 4.51.

4.51
Last updated: August 1, 2015

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  1. Abdelghafour H.

    Abdelghafour H. Agency Contractor

    Network and Software developer

    Morocco - Last active: 14 hours ago - Tests: 4

    I'm a network, software developer, I have consequent experience in LAN/WAN protocol's configuration (Cisco, OneAccess) and development, I worked also on setting up and configuring IPTV and VoIP platforms, I developed many WEB architecture using J2EE, Ruby On Rails and Python Django technologies. My goals through oDesk is to create a trust based network of clients with whom, I can have a long term relationship developing solutions that best suit their needs.

    Associated with: Teliteck

    $33.33 /hr
    1,092 hours
    5.00
  2. Vahram M.

    Vahram M. Agency Contractor

    Expert of Streaming Technology for iOS | Android | WP

    Armenia - Last active: 1 day ago - Tests: 4 - Portfolio: 2

    My profession is: SIP, RTP, RTMP, XMPP protocols; VP9, VP8, H.265, H.264, Opus, Speex, AMR, GSM, G.7xx Video and Voice encoding and transmission; OpenFire, Red5, Asterisk, OpenSips Servers; TLS, SSH, RSA security; TCP and UDP sockets, Tunneling, TCP over UDP. My experience in software development is 15+ years. Last 6 years I am working in mobile application development, especially with Video Chat, Audio Calling, Instant Messaging and other Multimedia solutions.

    Associated with: Be Interactive

    $33.00 /hr
    6,500 hours
    4.79
  3. Sergey P.

    Sergey P.

    VoIP and Linux Engineer

    Russia - Last active: 2 days ago - 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

    $22.22 /hr
    74 hours
    5.00
  4. Marko Nikolic

    Marko Nikolic

    Avaya (CM, SMGR,SM,CMS,AES),Extreme Networks expet

    Serbia - Last active: 2 days ago

    IT professional with 10+ experience in different fields. Avaya (CM, SMGR,SM,CMS,AES), Extreme Networks expert. Specialties:Telecommunication UC, CC, Networking, IT management, project management

    $60.00 /hr
    10 hours
    5.00
  5. Yuriy N.

    Yuriy N. Agency Contractor

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

    Russia - Last active: 09/05/2014 - 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
  6. Pavel Stephan Munoz

    Pavel Stephan Munoz Agency Contractor

    VoIP & SMS Consultant - Very strong Linux, Java and Python skills

    Nicaragua - Last active: 7 months ago - Tests: 7

    Over the last years I have been feeling comfortable working remotely with LINUX servers via SSH sessions (text console), while managing ASTERISK, KANNEL (SMS Gateway) or writing WEB SERVICES scripts in both JAVA (ZK, PlayFramework) and PYTHON (Flask, Jinja2). I am skilled in many technologies such as TOMCAT, JBOSS, CGI scripting, AGI (for IVR apps), VIRTUALBOX and others. Used to ECLIPSE & PyCHARM. I love finding solutions to very complex requirements; I feel I do this very well. Researching and testing new technologies is something I totally enjoy. I would like to be involved in a project requiring our team to do lot of research while developing pioneering products (startups are welcome). If such project has good social impacts: much better! Improving quality of life for people around the globe using my skills would be amazing.

    Associated with: Central America IT

    $30.00 /hr
    160 hours
    4.54
  7. Igor Pavlov

    Igor Pavlov

    Russia - Last active: 4 months ago - Tests: 3

    Hi, My name is Igor Pavlov. I am working with VoIP technologies since 2008. From 2013, I'm partially working in cloud PBX project (developing core based on OpenSIPS with load-balancing between asterisks). I have a Bachelors in Radio Engineering from Izhevsk State Technical University, in Russia. Listed below are my experience and skills: - Kamailio/OpenSIPS: rtpproxy, dispatcher, dialog, htable, auth_db; - Asterisk: AGI (php, bash), AEL, AMI, CDR, DB (MySQL), faxes (fax2mail), IVR, SIP/IAX/E1(EDSS), dahdi; - GUI: FreePBX, Trixbox, Elastix; - OS: Debian, CentOS; - Linux Administration: firewall, routing, vpn; - Cisco Switches and Routers configuration (CCNA level); Thank you in advance for your time and consideration.

    $20.00 /hr
    9 hours
    5.00