SIP Freelancers

Showing 67 freelancers

SIP Freelancers

Showing 67 freelancers

Browse Sip job posts for project examples or post your job on oDesk for free!

Sip Job Cost Overview

Typical total cost of oDesk Sip projects based on completed and fixed-price jobs.

oDesk Sip Jobs Completed Quarterly

On average, 36 Sip projects are completed every quarter on oDesk.

36

Time to Complete oDesk Sip Jobs

Time needed to complete a Sip project on oDesk.

Average Sip Freelancer Feedback Score

Sip oDesk freelancers typically receive a client rating of 4.37.

4.37

Last updated: March 1, 2015

  • Network / Security / VoIP / Unix Specialist

    15+ year experience in networking. Built an ISP (Internet Service Provider) from scratch. Network Planning, Designing, Implementing and Optimizing. Right now we have about 4500 customers. We use Wireless & Fiber technologies. I do WISP and ISP consulting. I specialize on … more

    15+ year experience in networking. Built an ISP (Internet Service Provider) from scratch. Network Planning, Designing, Implementing and Optimizing. Right now we have about 4500 customers. We use Wireless & Fiber technologies. I do WISP and ISP consulting. I specialize on the following products: *** HP (mainly ProCurve switches family and rack servers) *** D-Link (layer 2 & 3 manageable switches) *** Ubiquiti (AirMax, Unifi, mFi & AirFiber products) *** Mikrotik (CCR series, wired & wireless RouterBoard series, x86 RouterOS) *** Grandstream (VoIP PBX, Phones, Gateways and ATAs) *** Linksys (VoIP products) *** Cisco (VoIP products and Catalyst series) *** DELL (SonicWall series) *** Draytek (Network & VoIP series) *** Other products: Linux, Mac OS X, Windows, vmware ESXi, Asterisk, FreePBX I have a good knowledge of the following technologies: TCP/IP, IPv4, Static & Dynamic routing, BGP, EIGRP, OSPF, Layer 2 & Layer 3 VPNs, IPSec, NAT, PAT, STP, VLAN, QinQ, GVRP, HSRP, VRRP, RSTP, MSTP, VTP, RDP, Firewall, Remote Access, HTTP, Load balancing, QoS, CoS, OpenVPN. Check out tests I've passed. I'm new to oDesk, thats why my hourly rate is low now :-) I'm ready for a test task.  less

    startup-consulting computer-networking network-design network-planning network-administration wireless-network-implementation mikrotik-routeros mikrotik-routerboard vpn sip 00 more less
    • $34.99 HOURLY RATE
    • 5.0
    • 42 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 6 TESTS
  • Voip, asterisk, perl scripting, freeradius, linux, mysql developer

    From last two years i am working on asterisk, free radius and mysql.I developed a full voip application which consist of * Calling Card Application * Soft phone to PSTN calls * DID to Soft Phone * DID to Forwarded no. * SIP to … more

    From last two years i am working on asterisk, free radius and mysql.I developed a full voip application which consist of * Calling Card Application * Soft phone to PSTN calls * DID to Soft Phone * DID to Forwarded no. * SIP to SIP calls * Call routing besides these i add the asterisk realtime functionality using mysql database and for billing i use the free radius server. So my core competencies are asterisk, perl, python, free radius, mysql DB and working on linux plat form.  less

    perl asterisk sip linux-system-administration mysql scrum elastix trixbox sql centos 00 more less
    • $8.89 HOURLY RATE
    • 5.0
    • 74 HOURS
    • SWEDEN
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 3 TESTS
  • VoIP Consultant [Asterisk, freeSWITCH, Kamailio, OpenSIPs, Vyatta]

    Since last 7 years now I'm involved intensely in end-to-end VoIP setups. That included pre-deployment 360 degree Architecture planning. Actual development of the projects, including aiding other teams develop the exact required component for the projects. And after deployment … more

    Since last 7 years now I'm involved intensely in end-to-end VoIP setups. That included pre-deployment 360 degree Architecture planning. Actual development of the projects, including aiding other teams develop the exact required component for the projects. And after deployment Support. My career objectives are to be a very flexible expert capable of working on almost any layer. Come up with intelligent solutions to help achieve business goals smartly. I'm proficient in following domains * VoIP * Server Administration * Network Administration I've experience in Following tools. * Asterisk * FreeSwitch * OpenSIPs * Kamailio * SEMS * Vyatta * MySQL * Linux OSs I've worked in following languages. * C++ * Perl * Php * Shell scripting Find More about Me from my VoIP Blog: http://saevolgo.blogspot.com  less

    sip asterisk linux-system-administration freeswitch opensips 00 more less
    • $60.00 HOURLY RATE
    • 5.0
    • 148 HOURS
    • CANADA
    • LAST ACTIVE
    • 15 PORTFOLIO ITEMS
    • 3 TESTS
  • VoIP Expert / IP-PBX Specialist / Asterisk Ninja

    Over 11 years hands-on experience. i have a great knowledge on VoIP Hardware and Applications from open source softswitches, MultiTenant PBX and predictive dialers (Asterisk, Freepbx, FusionPBX, BlueBox, Thirdlane, FreeSwitch, A2Billing, Elastix, Trixbox, Vicidial, GoAutoDial, etc), to licensed softswitches (Voipswitch … more

    Over 11 years hands-on experience. i have a great knowledge on VoIP Hardware and Applications from open source softswitches, MultiTenant PBX and predictive dialers (Asterisk, Freepbx, FusionPBX, BlueBox, Thirdlane, FreeSwitch, A2Billing, Elastix, Trixbox, Vicidial, GoAutoDial, etc), to licensed softswitches (Voipswitch, Nextone, Voicemaster, PortaOne, Mera, etc) and other VoIP gateways. I have at least currently total of 500 IP-PBX server deployments and also do provide VoIP termination services. I work as a part-time consultant for a number of VoIP companies in the Philippines. I have a broad knowledge about networking and wireless. this includes routers, firewalls, access points and VSAT. I also do hardware/software troubleshooting and web designing (joomla and wordpress) and basic programming (php, html and perl) I am confident that i can deliver any work satisfaction guaranteed  less

    vicidial elastix trixbox pfsense sugar-crm vtiger paypal-api a2billing freepbx freeswitch asterisk hardware-troubleshooting teamviewer centos linux-system-administration windows-administration computer-repair call-handling network-security computer-networking windows-xp-administration paypal-integration yahoo-messenger wordpress html perl ajax filipino sip cpanel adobe-photoshop blackberry-app-development ftp skype video-editing dj video-conversion lotus-notes vmware-administration 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 1834 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 17 PORTFOLIO ITEMS
    • 4 TESTS
  • Cisco Network Engineer | CCNP Security, Voice, RS

    I have been working with a broad range of network topologies, from small office to huge distributed network. Being in the industry more than 8 years, I have a lot of expirience in major enterprise technologies: Security, Voice, Data and … more

    I have been working with a broad range of network topologies, from small office to huge distributed network. Being in the industry more than 8 years, I have a lot of expirience in major enterprise technologies: Security, Voice, Data and Wireless. I am proficient in configuring Cisco routers, switches, ASA firewalls, SourceFire 3D, wireless controllers, CUCM, Unity, Presence, UCCX and other voice platforms, planning and deploying high available topologies, miscellaneous types of VPNs. I have also been involved in projects contained security configuration audit and best practices compliance checks. Certifications: ========== CCNP, CCNP Security, CCNP Voice, ASA (VPN/Firewall) Specialist Hardware: ========== Switches: 2960 / 3650 / 3750x / 3850 Routers: 88x / 19xx / 28xx / 29xx / 38xx / 39xx / ASR Firewalls: ASA 5505 to 5585 Wireless: WLC 2504, 5508, NGWC 5760, virtual WLC Technologies: ========== +Voice: * Cisco Unified Call Manager / CUCM * Cisco Unified Call Manager Express / CUCME, SRST * Cisco Unified Contact Center Express / UCCX, UCCX scripting * Cisco Unity Connection / CUC * Cisco Unity Connection Express, IVR Scripting * Cisco Presense * H.323, SIP, MGCP, T1/E1 Controllers * QoS, Call Admission Control +Security: * network configuration audit * misc ACL implementation * statefull firewalls: CBAC, Zone-Based Firewalls * Identity-Based firewalls * SourceFire 3D * router / switch hardening * best practices compliance * administrative accounting to syslog +ASA firewalls: * single-context and multi-context mode * failover (active-standby and active-active mode) * clustering * security policies and protocol inspections * WCCP proxy redirection * WAN link failover * dynamic routing * NAT +VPN: * Remote Access - Radius, LDAP and Certificate-based authentication - Active Directory authentication - OCSP revocation check - SCEP enrollment - one-time passwords * Lan-to-Lan * DMVPN * SSL VPN * GET VPN * IKEv1 and IKEv2 +Wireless: * Cisco Wireless controllers 2504, 5508, NGWC 5760, virtual VLC * Miscellaneous Cisco Aironet Access points * FlexConnect * Local switching / centralized switching * High availability / failover * Mobility / roaming * BYOD auto-provision with Cisco ISE * VoIP over WLAN (Cisco 792x phones) +Switching: STP, VTP, trunking, multilayer, port security, 802.1x, dynamic policy-based VLAN assignment +Routing: EIGRP, OSPF, BGP, redistribution, HSRP, GLBP, PBR, SLA, WAN redundancy +Centralized authentication: Cisco Secure ACS, Cisco Identity Services Engine / ISE, Microsoft Windows IAS/NPS, Microsoft CA server, Microsoft OCSP Online responder, SCEP certificate enrollment, OpenOTP +Network monitoring: netflow, syslog-ng, zabbix, cacti, prtg +Virtualization: Hyper-V, VMware ESXi/Infrastructure  less

    cisco-asa cisco-routers cisco-ios cisco-voip network-security network-administration vpn ccnp firewalls sip 00 more less
    • $40.00 HOURLY RATE
    • 4.9
    • 122 HOURS
    • ESTONIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 5 TESTS
  • Network Security VoIP Specialist - Cisco, Juniper, Linux, Asterisk

    I am looking for projects that I can complete on a part-time basis. They can be either short term projects or long term projects. I can also provide ongoing consulting and administration if needed. I am experienced in Cisco Routing … more

    I am looking for projects that I can complete on a part-time basis. They can be either short term projects or long term projects. I can also provide ongoing consulting and administration if needed. I am experienced in Cisco Routing & Switching, MPLS, Security, Network infrastructure applications ( SNMP, Radius, DNS, DHCP , etc) Voip - including Asterisk, Call-Manager , Unity, FreePBX, Elastix. Server administration experience ( Linux, FreeBSD)  less

    mpls bgp cisco-asa cisco-routers linux-system-administration snmp radius juniper-routers freeswitch apache-administration mysql network-administration network-planning network-security asterisk windows-xp-administration ubuntu microsoft-excel microsoft-visio cisco-ios cisco-voip cisco-pix nagios dns snort itil junos freebsd freepbx php perl voice-over mikrotik-routeros mikrotik-routerboard vmware-administration vmware-esx project-management voip-administration sip wireless-network-implementation 00 more less
    • $38.89 HOURLY RATE
    • 5.0
    • 381 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 17 TESTS
  • Senior Network/Systems Engineer, Infrastructure Manager

    To be able to be a part of a company who's willing to enhance my skills with regards to my chosen field of specialization and develop me to be a competitive professional in our New Age Technology. … more

    To be able to be a part of a company who's willing to enhance my skills with regards to my chosen field of specialization and develop me to be a competitive professional in our New Age Technology.  less

    cisco-certified-network-associate-ccna microsoft-windows-server voip-administration sip asterisk trixbox 00 more less
    • $15.00 HOURLY RATE
    • 5.0
    • 64 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Network & System Engineer

    Experienced network and system engineer with over 16 years professional experience, contracting for Google, T-Mobile, AT&T, Orange, Verizon. Areas of expertise: Linux, Solaris, Cisco, Juniper (routing, switching, security, MPLS). … more

    Experienced network and system engineer with over 16 years professional experience, contracting for Google, T-Mobile, AT&T, Orange, Verizon. Areas of expertise: Linux, Solaris, Cisco, Juniper (routing, switching, security, MPLS).  less

    cisco-ios cisco-asa cisco-pix cisco-routers juniper-routers linux-system-administration network-administration network-security computer-networking load-balancing apache-administration apache-tomcat dns postfix qmail mysql windows-administration firewalls openvpn vpn unix-system-administration unix-shell amazon-ec2 amazon-s3 amazon-web-services security wordpress mac-os-app-development wan sip asterisk ubuntu raid-administration centos 00 more less
    • $55.56 HOURLY RATE
    • 4.9
    • 687 HOURS
    • POLAND
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 12 TESTS
  • Cisco Certified Network Engineer

    I am a Network Engineer. My Expertise level in Active device in CISCO.Configure Cisco Ip-Pabx, Cisco wireless controller 4400 series,Cisco Firewall ASA 5500 series, Cisco 6500 series switch ,Cisco router 2800,2900 3900 series. Configure DELL Power Connect … more

    I am a Network Engineer. My Expertise level in Active device in CISCO.Configure Cisco Ip-Pabx, Cisco wireless controller 4400 series,Cisco Firewall ASA 5500 series, Cisco 6500 series switch ,Cisco router 2800,2900 3900 series. Configure DELL Power Connect switch 6248 etc. Configure CISCO call manager 7.1 , MGCP Gateway, H.323 gateway, CISCO attendant console. I have good knowledge and hands on experience on Windows Systems Administration, Microsoft Active Directory, DNS, and DHCP. In addition in Red hat ,Centos, Ubuntu etc. Configure squid proxy, squid log real time monitor, webmin etc.  less

    cisco-routers cisco-voip squid iphone-app-development sip dhcp dns centos cisco-asa 00 more less
    • $6.00 HOURLY RATE
    • 5.0
    • 4 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
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