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All FreelancersFeedback: At least 4"PSTN"

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Results for '"PSTN"'

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Hands-on services in Telecom, Telephony and VoIP
  United States  |  IT & Programming
4
 |  2 Jobs  |  Private  | 
Broad skills including: VoIP (SIP, H.323), call control, audio/video RTP streams, codecs and PSTN. Over 19 years of experience in Telecom and Telephony software, hardware, protocols. Programming...

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Unified Communications Engineer
  Pakistan  |  Rate: $80  |  IT & Programming
8
 |  8 Jobs  |  Private  | 
Favad Qaisar [Lync 2013 Certified - Microsoft Charter Member]

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Expert in Technology|Technical Solutions/Services
  United Kingdom  |  Rate: $30  |  IT & Programming
5
 |  7 Jobs  |  Private  | 
A group of highly qualified and experienced professionals, providing Clients cost effective and business driven solutions for IT/WEB and Telecommunication. We have taskforce to manage complete...

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U.S. based IT support - FREE Skype consultations
  United States  |  IT & Programming
6
 |  15 Jobs  |  $6,095 Earnings  | 
We offer U.S. (NYC)-based Linux and Windows server management, cloud migrations and Google Apps Script-based solutions and general IT support. A few reasons to hire us: - Put simply, clients rave...

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Voip & Asterisk
  India  |  Rate: $15  |  IT & Programming
8
 |  17 Jobs  |  $5,813 Earnings  | 
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...

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Linux Administration Asterisk (VoIP,GoIP,RoIP)
  Pakistan  |  Rate: $19  |  IT & Programming
6
 |  7 Jobs  |  Private  | 
I can handle in VOIP (Asterisk,Opensips, FreePBX: PBX installation from scratch. Configurations to master level. Dial Plan customization (Call Recording, Call transfer, Call queues etc). Debugging...

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Asterisk | VoIP | Linux & Telecom Expert
  Pakistan  |  Rate: $16  |  IT & Programming
4
 |  11 Jobs  |  Private  | 
NEW here, but OLDEST in the Business, 100 + VoIP Projects with Carrier Grade Implementations ACP (Asterisk Certified Professional), RHCE I specialize in VOIP, Asterisk Dialplan programming, IVRs,...

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Asterisk/FreeSwitch expert, VoIP developer
  Russia  |  Rate: $33  |  IT & Programming
4
 |  3 Jobs  |  Private  | 
I have more than 10 years of experience in installation and support of carrier-grade VoIP services based on Asterisk, OpenSIPS, Kamailio, Freeswitch and proprietary SIP/VoIP software. My...

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Passionate Telephony and CRM Developer
  India  |  Rate: $38  |  IT & Programming
6
 |  8 Jobs  |  $1,941 Earnings  | 
Over the last 15 years, i have been providing software solutions and building telephony capabilities with Asterisk, Freepbx, Kazoo, Opensips and salesforce.com applications and also implemented...

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Experienced AVAYA/Cisco voice network Engineer
  India  |  Rate: $8  |  IT & Programming
3
 |  1 Jobs  |  $33 Earnings  | 
Over the last 20 years, I have handled a wide range of projects including sites for large companies and small businesses. My core competency lies in complete end-end management of a project, and I...

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Love to be work
  India  |  Rate: $11  |  IT & Programming
4
 |  1 Jobs  |  Private  | 
I have more than 8 years of experience in Installation Expertises in Asterisk, Freeswitch, vicidial, astercrm, A2billing, Free PBX, Elastic etc. LAMP server support , Web Hosting support and...

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C#.net,Asp.net,FreePBX,Asterisk,Java,Softphone
  Pakistan  |  Rate: $11  |  IT & Programming
4
 |  1 Jobs  |  Private  | 
My expertise includes web-based and desktop based projects. I can work on variety of applications from website development, redesigning existing sites, developing software, enhancing existing...

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Applied mathematics and programming
  Armenia  |  Rate: $22  |  IT & Programming
3
 |  37 Jobs  |  Private  | 
Applied mathematics and programming

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Microsoft, Cisco, Security, Systems administration
  Portugal  |  Rate: $16  |  IT & Programming
3
 |  4 Jobs  |  $255 Earnings  | 
Hi, my name is Luis Silva, i am from Lisboa, Portugal. I am a Microsoft / Cisco Certified Enginner with 8 years of experience. In the last 8 years of my experience, i have been working with the...

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4+Year Expertise in VOIP,Asterisk,Vicidial,FreePBX
  India  |  Rate: $11  |  IT & Programming
1
 |  2 Jobs  |  $62 Earnings  | 
Installation and configuring Expertises in Asterisk,GoAutodial , Vicidial, Free PBX, Elastix,A2billing,Sugar CRM, vTigerCRM, FAXetc. Audio conferencing with moderator/participant pins with real...

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Excellence. Delivered.
  India  |  Rate: $40  |  IT & Programming
1
 |  1 Jobs  |  Private  | 
Telecom Skills : SIP, SS7, SOAP, CSTA, SMPP, VXML, MSCML, OTA, OSA Parlay, SIM APP, INAP, CAP, TCAP, MAP, ISUP, MM7, WAP, TCP/IP, HTTP, SNMP, IPSec VOIP: SIP, RTP, RTSP, SRTP, TLS, Freeswitch,...

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Creative design, web development, programming
  United Kingdom  |  Rate: $25  |  Design & Multimedia
1
 |  0 Jobs  |  $350 Earnings  | 
PhotoShop, Illustrator, PageMaker, Corel Draw, Dreamwaver, Flash, 3D, HTML, DHTML, XML, PHP, ASP, Java, C++, Asterisk, PSTN, VoIP, ASPX, .NET, Ajax, all major programming technologies.

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Xmpp/sip/java/android/objective c/swift expert
  India  |  Rate: $15  |  IT & Programming
1
 |  2 Jobs  |  $4,750 Earnings  | 
I am expert xmpp,sip,java,android developer. I work with my team mates on php,objective c, swift , server managment. I possess positive attitude and single mindedness and passionate about my job....

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Asterisk, Elastix, VoIP, Windows Servers
  Dominican Republic  |  Rate: $33  |  IT & Programming
4
 |  8 Jobs  |  $673 Earnings  | 
4 years experience in Asterisk, FreePBX, Elastix, Cisco, Freeswitch, Yealink, Snom, Grandstram, MyPBX, Zhyco, Virtual Private Servers, Hosted PBX, advance networking, Call termination, Dialers,...