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  1. 1. Provide a clear description of your needs and your expectations of an expert, consultant or job candidate and Zintro will match it with the most relevant professionals in our platform.
  2. 2. Within a day or two typically 6 - 12 Experts, who have opted-in, will contact you with a brief explanation of their qualifications and how they can help.
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Recent Voice Over Ip (voip) Inquiries

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Sip Trunking In Hong Kong

We are seeking subject matter expertise on sip trunking in the hong-kong market, including the market overview, key market and technological trends, top 5 sip trunk providers. If you possess the relevant expertise please reach out to me. Regards, prasanna.

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    Kingsley |Head of Geo-Political Risk and Research

    I am a market research/intelligence expert with a deep understanding of functionality and *****....

    20.3 Hours Later
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    Abhijit |Zintro Expert

    hi...

    2.7 Days Later
+5 Other Responses
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Voip (sip)

I am looking to connect with one or more voip (sip) experts for: need basic sip training on: 1) what is sip, how does it support communications today(voip) 2) how does sip support uc(sip based services) 3) sip ims specifications 4) sip trunking (sip t and the pstn) 5) sip security 6) firewalls, nat and sbc’s 7) sip call flows expert will develop slides and will be audio recorded to produce elearning modules in our westford ma office. Just need the expert. We do the recording. Boston, ma area. . .

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    John |Founder

    Expert SIP/VoIP. Taught Advanced SIP training to hundreds of techs, sw developers, carrier personne...

    1.5 Hours Later
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    David |Principal

    I have just conducted a series of SIP Trunking Roadshows and webinars. Happy to speak with you rega...

    1 Day Later
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    Chandra |Head - Software Engineering, Architect,

    I have been delivering lectures and seminars on SIP for the last 8 years.. i was also part/member of...

    9.5 Days Later
+3 Other Responses
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Voip

I have been facing many problems with our voipswitch configuration ever since we tried to implement the black list feature via the voip switch. I removed the blacklist feature since we saw that it caused us more problems than we anticipated.. the issues we are facing now : 1.) asr : our asr before the black list installation would reach 35% with clients. Now it is reaching 15% . The main reason we are getting for dropping the call is cancel ( sometimes when we test we do not hear a ring tone and get dead air or pdd) this is a reason why we feel the callers end the call before it is connected.. 2.) acd : our acd also has decreased from 7 mins to 2 mins . 3.) we are getting different cdr's with our clients always 4.) we want to confirm that we are giving our client a proper 503 , so if the call is dropped /rejected from our route the call returns to them. We are advised by our client that most of our issues will bee resolved by the codecs or sip configurations.. . Thank you .

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    Venkat |Technical Director

    Hello There, I have gone thru the description of the problem that you are having currently, To bet...

    3.1 Hours Later
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    Fahad |NGN Engineer (VoIP)

    Hi, Let me know the details that how can we proceed to check your switch? Thanks....

    14.2 Hours Later
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    Jay |Sales Consultant

    P.E.F. Let's have a conference call with my network design specialist. We help businesses lik...

    17.8 Hours Later
+10 Other Responses
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Voice Over Ip

Hi i m md . Romel from bangladesh , i want to set up voip company to malaysia, i have business voip route buying and selling .I want operated business from from kuala lumpur , and i want stay malaysia with my family . I m searching malaysian voip consults , please update me procedures details.

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    Rolf |Applications/Support Engineer

    I don't think I can help you. The technical details are not complex, but you will need to get the co...

    4.4 Hours Later
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    Tahir |IT/Network & Electronics/Communications

    Hello, I am VoIP professional and have provided consultancy & development services to several clien...

    7.5 Days Later
+2 Other Responses
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Sip Trunking

We are looking for an expert in sip trunking for a phone consult.

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    Asad |Senior Core Consultant

    Hi, I know SIP trunking very well on SBCs and softswitches. Lets' talk asad_18pk[at]*****...

    7.7 Hours Later
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    Franco |Telecommunications Engineer

    Please shoot...

    8.4 Hours Later
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    James |Chief Operations Officer

    Network Intelligence is a *****ultancy and an *****tions Provider (ISP)...

    8.4 Hours Later
+6 Other Responses
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Freeswitch

Looking for long term relationship with consultant, for complex freeswitch sip installation. Our current installation is tdm and want to move to sip. Our legacy tdm ivr is very complex and we will need to integrate the functionality of it with freeswtich.

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    Ahmed |ICT SME

    Hi, Is this opportunity open for non-US residents/non-US work permit holders? Regards, Ahmed...

    10 Minutes Later
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    Sohid |Technical Sales, Bids and Alliance manag

    Dear Sir with more than 10 years of background in SIP/VOIP environment and experience in migration f...

    16 Minutes Later
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    Emanuel |Operations Manager

    We have done more IP/PBX then anyone in the country SoTel is one of are partners. We can do complete...

    40 Minutes Later
+4 Other Responses
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Voip Testing

I have good knowledge in sip protocol and am searching for sip testing but i don't know about sip testing . Please give me good idea about real time sip testing

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    Mouhab |VP Sales

    let's discuss that, i know a very good tester equipment....

    12.1 Days Later
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    Abhishankar |Senior Manager

    Hello, Thanks for the message. Yes we will be able to do the project. Why not add me in ***** or Gt...

    12.6 Days Later
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    Umesh |Software Architect

    i can help you in that....

    15 Days Later
+7 Other Responses
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Freeswitch In Usa

We are developing a simulator system that needs to include a communications platform. We have investigated freeswitch and believe it is capable of all the functionality (voip phones/pc soft phones/conferencing/etc) that the project will require, but we would like to hire someone to help flesh out and develop the application, specify the hardware, and create the necessary dialplans/configurations. Preferred voip server os is linux red hat 5.6. The consultant will need to be a us resident/ us national. We are located in pittsburgh, pa.

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    Parag |Sr. Business Development Manager

    Hello there, we are Ecosmob Technologies, software products and solutions company based in India. We...

    1.6 Days Later
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    Tahir |IT/Network & Electronics/Communications

    Hello, I am FreeSWITCH specialist and have done many *****ects. I posses expert level skills...

    3.9 Days Later
+2 Other Responses
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Origination And Termination Short Duration

Sip trunking

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    Franco |Telecommunications Engineer

    I would like to send you my resume. I've being in the VoIP business since year 2001....

    14 Minutes Later
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    Louis |Software Engineer

    I can definitely Help for this. Could we please discuss in more details? Thanks...

    31 Minutes Later
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    Dilip |Sr. Engineer Core Voice

    Hi, I can help you on the issue. Kindly describe more about the switch vendor. Regards, Dilip kuma...

    17.9 Hours Later
+7 Other Responses
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Mobile Voip

Expert in configuring and updating imsdroid to create stable, consistent cell to cell video/audio calls

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    Makarand |Mobile Applications Development, Pre-Sal

    I have designed and architect the Toonect for Button Systems. It uses configuring other third party ...

    8 Minutes Later
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    Louis |Software Engineer

    Hello, I can definitely deliver this for you. Please let me know if we can discuss further. T...

    22 Minutes Later
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    Abhishankar |Senior Manager

    Hello, Thanks for the query. We are ready to help you. Let us know how do we contact each other. ...

    10.3 Hours Later
+16 Other Responses
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Session Initiation Protocol

Need an expert to resolve an ongoing sip issues in the media gateway

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    Ahmed |ICT SME

    Hi, I can provide help, however, please specify the vendors/SI/customer involved to avoid any confl...

    1.3 Hours Later
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    Norman |Managing Director

    OK, What are your issues?...

    1.3 Hours Later
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    Shivam |Senior Consultant

    I have hands-on experience over SIP and MGW. I will like to know the details further....

    1.6 Hours Later
+7 Other Responses
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European Telecommunication Industry

I am starting a very detailed research project on the us and european telecommunications industry - mobile and fixed line. I would like to get briefed on trends, regulation, and competition in the industry. Regulations over the past decade and how they have affected the market players and their ability to compete is a major theme of the study. Other specific topics are fixed mobile convergence, pstn-ip network-ngn migration, restriction of dominant players, top five competitor market shares, key regulations and how they affect stakeholders, etc. I would like to spend an hour or so discussing where to find specific information, and to get your input on some of the questions. The study covers the us, eu (regulations), germany, france, sweden, uk, netherlands. Please mention which country you are familiar with. Thank you.

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    Andreas |Technology Consultant

    I think we can help you with that. I teach 3 *****ses at UCSD extension covering ge...

    2.9 Hours Later
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    Angeles |Optics

    Willing to work with you. Supported by consultants, industry experts and Universities. Familiar con...

    4.2 Hours Later
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    Henry |International Telecommunications Consult

    I live in Germany and have over 30 years experience in the telecom industry. I work freelance as con...

    5.8 Hours Later
+7 Other Responses
See More Inquiries

a general term for a family of transmission technologies for delivery of voice communications over the Internet or other packet-switched networks. Other terms frequently encountered and synonymous with VoIP are IP telephony and Internet telephony, as well as voice over broadband, broadband telephony, and broadband phone, when the network connectivity is available over broadband Internet access. VoIP systems usually interface with the traditional public switched telephone network (PSTN) to allow for transparent phone communications worldwide. VoIP can be a benefit for reducing communication and infrastructure costs by routing phone calls over existing data networks and avoiding duplicate network systems. Skype and Vonage are notable service provider examples that have achieved widespread user and customer acceptance and market penetration. Voice-over-IP systems carry telephony speech as digital audio, typically reduced in data rate using speech data compression techniques, packetized in small units of typically tens of milliseconds of speech, and encapsulated in a packet stream over IP.

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