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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

Popular SIP Searches

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  1. M Fazlul Karim

    M Fazlul Karim

    Expert in Java, Android, PHP, MySQL, SIP

    Bangladesh - Portfolio: 4

    3+ years experience in Software industry by developing various kinds of client or client-server applications, real time applications and mobile applications. Immense knowledge on software architecture, requirement analyzing, designing, developing, testing, deployment and maintenance by providing world class solution to world known clients. Specialties: • Scalable application Development • Expert on J2EE tech like EJB, Servlet, JSP, Struts, Spring, Hibernate, Apache • Immense knowledge in Asp.Net MVC3, Entity Framework, C#, Visual Basic • Expert on HTML, XHTML, CSS, XML, Java Script, AJAX, jQuery, JSON, Web Services • Expert on PHP, MS SQL, MySQL, function, trigger, store procedure and overall SQL. • Expert on SIP and RTP based Android Dialer Development As I have little working history in Elance so I am requesting to clients, Please have a look on my linkedin profile. LinkedIn URL: bd.linkedin.com/in/mfktanim/

    $11.00 /hr
    479 hours
    5.00
  2. Ruben Semerjyan

    Ruben Semerjyan

    Inovative Mobile VOIP, Social, Audio/Video Streaming Developer

    Armenia - Tests: 2 - Portfolio: 1

    I am an innovative, extremely detail oriented and perfectionist Software Development Architect, with expert knowledge in VoIP, audio/video streaming and processing, messaging and social media. My a little over 8 years of experience in VoIP industry gave me a strong knowledge of the protocols, technologies and available solutions. 3 years of successful mobile applications development, architect and project management gave me confidence in creating robust and technologically challenging applications. I am passionate about developing robust, innovative and leading edge applications, getting increasingly challenging assignments and applying disruptive technologies. Looking for a work on technologically challenging projects (in an agile environment preferably), while offering my expert knowledge base, ability to learn quickly and apply new techniques. I usually bid slower than others, because of reading the full job description, trying to estimate all requirements, needed technologies and solutions.

    $25.00 /hr
    28 hours
    5.00
  3. 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
  4. Oubram Mohamed

    Oubram Mohamed Agency Contractor

    Asterisk/Elastix/Freepbx/VoIP/Chan Dongle/Raspberry/Network specialist

    Morocco - Tests: 3 - Portfolio: 2

    i am a VoIP specialist dealing with Asterisk and voip billing Asterisk based servers: Freepbx Elastix A2billing and Kamailio. i have collected much experience in installing and configuring VoIP servers and giving support for costumers during my last job position at Voipmaroc and Nogafone. during my last jobs i was charged to deploy a voip call center based on Elastix for DYARelmansour , a construction company leader in Morocco , and a call center ViciDial for EIGENVALUE based in Morocco and for many end user of IPBX appliances and customized IPbx installations based on asterisk. I have setup many Asterisk servers for many customers in Freelancing and Deployed many Gsmgateways and Asterisk based Gsmgateways. I have also installed and deployed Raspberry and Huawei Dongles as Cheap Gsmgateways . besides , i have Also setup some complex VoIP topologies for call Routing and Terminations via VPN . my diplomat at network engineering and Centos Linux experience helped me to devolope my skills in VoIP. i am ready to serve.

    Associated with: BRAMZ, BlueGoose Tech

    $21.11 /hr
    232 hours
    5.00
  5. Ismir S.

    Ismir S.

    VoIP/Asterisk/FreePBX/Cisco/Linux Specialist

    Austria - Tests: 5

    VoIP and network engineer/administrator with more than 6 years of experience in design, planning and implementation Unified Communication and IP centrex solutions, large scale telephone and Cisco data networks. Deep understanding of asterisk PBX, FreePBX, Elastix, SER and OpenSER/Kamailio SIP servers. Fluent in SIP, SS7, IAX, RTP, T38, ISDN, STUN, SDP, Ethernet, TCP/IP, DHCP protocols, Cisco routing (BGP, OSPF), switching, LAN, WAN, ACL, QoS, VLAN.

    $38.89 /hr
    1,059 hours
    4.96
  6. Junaid Rehmat

    Junaid Rehmat Agency Contractor

    Experienced C/C++/Objective C Developer/iPhone Application Developer

    Pakistan - Tests: 3 - Portfolio: 5

    Over the last 4 years, I have developed a wide range of projects using C, C++, Objective C, and Java. My core competency lies in iPhone Application Development. I have developed more than 15 major applications, including VOIP applications, social networking apps, drawing apps and/or a few apps with custom UI and self management features. I have hands on experience in iOS Application Development. I have developed many live applications. - Expertise in iOS (6.x, 5.x, 4.x) - Expertise in xCode (4.x, 3.x) - Expertise in VOIP applications using PJSIP and Doubango. - Expertise in XMPP Framework. - Expertise in Facebook, Twitter and LinkedIn APIs - UIKit Framework - UIMapKit Framework - Addressbook Framework - QuartzCore Framework - CoreAnimation Framework - AudioPlayer/MoviePlayer Frameworks - Client‐Server communication - Database designing using SQLite - PDF document reading - Inapp Purchase integration - MessageUI and MailUI Frameworks - JSON and XML Parsing. - Using GET, POST and SOAP web services. - Using Gesture Recognizer and UITouch controls. - Customizing User Interface.

    Associated with: AgileOne

    $20.00 /hr
    1,512 hours
    5.00
  7. Vijay singh R.

    Vijay singh R. Agency Contractor

    Expert in SMS gateways (Twilio, Plivo), OpenVBX, SIP

    India - Tests: 8 - Portfolio: 11

    A results-driven, customer-focused, articulate and analytical Software Engineer . Strong in design and integration problem solving skills. Expert in Twilio,NopCommerce,C#,VB.net,ASP.NET 3.5/4.0/4.5, MVC 4.0, WCF, SQL Server 2000-2008-2012, JavaScript, HTML, AJAX and web 2.0 best practices.Expert in working on payment gateways like PayPal Integration and Various API integration. **During my development experience, I have also worked on SMS API integration and development projects in .NET and PHP where I have implemented functionalities like: - Inbound/Outbound Call/SMS - Group SMS - Call recording - Call forwarding - Reporting etc.. I also have hands on experience in the following areas: MS Technologies, Ajax, Jquery, OOPs, and software design. •Worked in technologies provided by .Net Framework like Web applications, ASP.NET, AJAX. •Have worked on various market standards and followed best practices like XML, CSS, JavaScript, Jquery. •Have worked on web application that follows 3-tier architecture. •Good experience in Database design and SQL Server 2005 including developing stored procedures, taking database backups and restoring them. •Having good skills in converting business problems into technical solutions. •Having good ability in learning new things and applying them at work. •Having good experince in communicating with clients and understanding requirements. •Having good skills in team management, distribution of taks, project management.

    Associated with: Kindlebit Solutions Pvt. Ltd.

    $16.00 /hr
    2,111 hours
    4.94