VOIP Engineers

 Successfully completed studies in the field

Technical Informatics / Communications Engineering

Comparable education and training

 Multi-year experience in the development of voiceover IP-based


 Sound knowledge of VoIP protocols (SIP, H.323,

RTP etc.) and VoIP codecs (G.711, G.729, GSM etc.)

 Good knowledge of session-border controller

And SIP proxies

 Practical experience in the administration of Linux operating systems

 Good knowledge of telephony (ISDN with PRI- and S0 as well as

POTS) Internet and data networks (PPPoE, routing,

TCP / IP, TCP) is desired

 Security in the application of

Programming languages (C, Perl) and good knowledge in

The programming and maintenance of databases


 Good German and English skills in word and


 Good analytical skills and fast


 High motivation as well as good team and team spirit

Ability to communicate

 Own initiative and creativity

 Enjoy flexible working hours (within the scope of

Planned maintenance measures in the backbone)

Квалификация: SQL, VoIP

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О работодателе:
( 0 отзыв(-а, -ов) ) Mandaluyong City, Philippines

ID проекта: #13649844

13 фрилансеров(-а) в среднем готовы выполнить эту работу за $1201


Hello Mate, Hope you are doing well. After gone through your requirement overview, I am pretty confident enough to get this done for you as I have completed and delivered similar type of projects in past. My k Больше

$1500 USD за 30 дней(-я)
(7 отзывов(-а))

I want to discuss this project with you further, let me know the best suitable time for you to schedule the meeting, Feel free to message me at any time, i used to be online 14 hrs in a day on this website so probably Больше

$1546 USD за 40 дней(-я)
(3 отзывов(-а))

I am skilled with all those technologie just i can not speak german just english and frensh ***************************** **************************************

$1000 USD за 10 дней(-я)
(5 отзывов(-а))

Hey, I'm James a developer from London. Your project caught my eye and I'd like an opportunity to discuss it further with you. Please feel free to read reviews and look at examples of my work. Cheers

$1250 USD за 20 дней(-я)
(1 отзыв)

+ to everything U wrote except C, Perl + German (English only) What kind of VOIP Engineer are U looking for ? (local or remote) Regards

$1250 USD за 20 дней(-я)
(1 отзыв)

Hello. Please look at my freelancer profile. https://www.freelancer.com/u/jinthreek89.html I have developed many mobile apps and backend for 7 years so far. I have java, objective-c, swift and c# skills for mob Больше

$1250 USD за 20 дней(-я)
(0 отзывов(-а))

Hello, my name is Michael. I represent Ukrainian based IT-company Webbook Inc that provides services in the IT-sphere for international business. We were carefully reviewing the requirements of the job description, so Больше

$1100 USD за 20 дней(-я)
(0 отзывов(-а))

Greetings from Tekzee! We have huge experience and expertise in mobile App development, websites designing, cloud services and enterprise solutions. You can check our website- [login to view URL] Thanks and Больше

$833 USD за 8 дней(-я)
(0 отзывов(-а))
$1222 USD за 7 дней(-я)
(0 отзывов(-а))

I am a Telecommunication Engineer with more than 10 years of experience. - Alcatel Telalca VoIP expertise, SIP Phones, Allied Telesis, Cisco, 3COM, Telephony solutions. (SIP, H.323) - Linux operating systems : Red Ha Больше

$1222 USD за 10 дней(-я)
(0 отзывов(-а))
$890 USD за 20 дней(-я)
(0 отзывов(-а))

In the bid amount , I can provide the website version , android application , ios application with one year support . I am available on all days to discuss and shall provide 2 work updates per week ( Tuesday and Frid Больше

$1111 USD за 44 дней(-я)
(0 отзывов(-а))

Hello, Objective: Design and Develop VOIP Application Experience: We have done an application on VOIP calls and we have integrated Linphone in IOS and Android and they work well with SIP applications. It would Больше

$1444 USD за 20 дней(-я)
(0 отзывов(-а))