Voice over Internet Protocol or VoIP refers to a host of transmission technologies meant to deliver voice communications over IP networks that include packet switched networks and Internet. VoIP systems include communication services such as facsimile, voice, and voice messaging applications. A number of firms are shifting to this system to promote a cost effective medium of communication. You can hire an expert who can help your firm to leverage the potential of this new system. Just post a job today! 雇佣VoIP Developers


    32 搜到的工作,价格货币为 HKD
    Cisco phones expert and PBX 6 天 left

    Required expert in Cisco phones to setup custom features for the phones. We are using Elastix pbx server.

    $132 / hr (Avg Bid)
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    7 个竞标

    I’m looking for an Android/iOS app developer with voip experience to customize an Android open source xmpp client Requirements: Integrate Jingle/SIP Add a dial key pad Add payment gateway Some graphical modifications (Logo, BG color, Shape baloom message etc. )

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    trying to be able to use SIP native for android . but also the same UI/layout interface if on the PWA it will work the same but webRTC not sure what libraries to code into. device Mac based ID sends to API built with ionic framework/ angular. not sure exacty what to use [登录来查看链接] jsSip/ kamailio or what not.

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    Asterisk, PBX/VOIP in Odoo 6 天 left

    We need an experienced Asterisk, PBX, within Odoo to help set up the Asterisk PBX. We need someone with proven track record who has done this before. We also need your availability and comfortable with screen sharing and working together on a live platform to install and you provide support. IF you are not willing to support or work with us Live, please do not apply to this job.

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    We are a telecom company. We deal also in VoIP and in SMS services. We are looking for someone that has some experience.

    $140 / hr (Avg Bid)
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    Dating voice chat application 6 天 left

    Integrate voice api, or build from scratch, Idea of application is like a dating app, only have voice chat for the moment, With paid plans in app Random strangers call with online users, Choose genre hit search and talk Simple application idea Could use ready api from any provider such as Twilio etc... Please come with ideas Thank you

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    Hi Friend, We have stuck at our PBX to receive more call, the problem is description here: [登录来查看链接] My Server is : 12 VPU, 14G RAM, almost free when error occur We try so many way to improve the PBX but not suceess I need an export support me config to receive more call from PBX The info of system: - FusionPBX - FreeSWITCH version: 1.10.2-release-14-f7bdd3845a~64bit (-release-14-f7bdd3845a 64...

    $4193 (Avg Bid)
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    server freepbx 5 天 left

    setup 3 lines freepbx complete

    $326 (Avg Bid)
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    13 个竞标

    1. Android:Bugs to be fixed and updates to add: a. Contact- app crashes on some people's phones usually while loading contacts...some exceptions were probably not caught properly. Also contact should have search icon to make contacts searchable b. On changing the layout from portrait to landscape, it crashes the app c. App crashes when users click on the chat and try to chat sometimes. W...

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    We are currently looking for an experienced VOIP, PBX, Softphone Specialist with Asterisk, FreePBX, and Linux experience and familiar with coding capable of setting up an Interpreting/call center solutions platform with the following requirements: • 5,000+ Interpreters • 300+ Ring Groups • IVR • Phone Calls • Video Calls • Text Messages • Accessible from Smartph...

    $240 / hr (Avg Bid)
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    10 个竞标

    I have account in [登录来查看链接] and i have ip phone yeahlink t-48g i want to make calls from the ip phone throw thee mobile phone line (note 8) so the caller id should be my mobile number. the basic for all in & out call is my mobile line. the second thing how to i setup when i want to get all call only in ip phone. you will get access to admin panel in 3cx and panel of IP phone. task : need ...

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    I am a small VOIP business , several of my customers have been complaining that their DID's cannot be reached by callers with specific carriers... its a very strange issue and I have no way of troubleshooting it as there are no logs for this anywhere. *** I AM ONLY LOOKING FOR SOMEONE WHO HAS DEALT WITH THIS ISSUE BEFORE WITH CARRIERS IN THE US***

    $1155 (Avg Bid)
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    12 个竞标

    Kamailio Server setup on ubuntu or Centos connected with linphone sip client .use UDP Protocol

    $1969 (Avg Bid)
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    5 个竞标

    Eu preciso de um novo site. Eu já tenho o projeto, eu só preciso de você para uma página para o meu pequeno negócio.

    $3883 (Avg Bid)
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    I am looking for an experienced person who can program a could phone system. What is expected from bidder: - suggest what system to use - what programming language to use - cost estimation It is like programming a system that helps callers to listen to voicemails sequentially instead of calling back to each employees numbers. Price is negotiable and we can discuss via chatting.

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    Vici Dial 4 天 left

    Cluster vici dial installation with 500 ivr voice mail broadcasting capacity

    $659 (Avg Bid)
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    Freepbx security 4 天 left

    FreePBX [登录来查看链接] 'VoIP Server' needs Update , I noticed for the first time in years i got Hacked Need any help to secure it as much as possible

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    19 个竞标

    Need 5 callers Communication: good mix of Hindi & English Project time - 1 month (August) Target calling - about 10-12 thousand calling in one month Salary + Incentive - open to discussion

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    3CX configuration 3 天 left

    I need setup sip account on 3CX and i need send the traffic to it from my soft switch setup will be VIA Team iewer

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    We are using Bitrix24 CRM. We need to configure GSM gateway IP-PBX

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    Fast flux and PowerMTA needed

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    We are using Asterisk 13.32.0 with FreePBX [登录来查看链接] at the moment and are in need of a SMS feature for customers to text to the PSTN along with receiving texts. please PM for further details. Also there could be lots more work available depending on the level of professionalism and quality we see from this task.

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    Automatic call system 2 天 left

    Hello I have Twilio account and need someone to setup automatic call system means I want to call customers with automatic message and ask them to say or enter security code. and when they enter it the tool give me this code as message or voice.

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    Flexisip Configuration 2 天 left

    I would like to configure flexisip sever with push notifications along with asterisk and any softswitch. Prospect freelancers should have proven experience with SIP and Asterisk and ability to complete job on time.

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    preciso de uma sala de conferencia total 9999 salas , possibilitando o usuário através de um menu de navegabilidade alternar entre as salas , entrar em salas privativas opção de monitoria para descontar usuários, excluir usuários por horas e definitivo!

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    I need help setting up a FreePBX with softphones using TLS encryption

    $194 (Avg Bid)
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    8 个竞标
    Asterisk Server - Consultant 1 天 left

    Hi, Asterisk Server Consultant required for VOIP task

    $264 / hr (Avg Bid)
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    11 个竞标

    I am doing the Linphone Application customization for mobile apps - I need someone support to enable the Chat functionality on the Astrisk FreePBX server so that chat will work. Soonest bid will be more preferred.

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    SMS Broadcaster 22 小时 left

    Bulk sms software provider or vicidial hosted server provider. voip minutes provider.

    $434 (Avg Bid)
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    Signal wire sip trunk 13 小时 left

    Signalwire's SIP trunk on asterisk

    $209 (Avg Bid)
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    8 个竞标

    Develop an incoming call service in flutter for both when app is in background , killed or opened. Just like whatsup call. So developer can build a demonstration of incoming call /video What we do: We are looking forward to using agoria as video/audio call platform to develop voIP like whatsup messenger. REQUIREMENTS Ÿ Flutter with current stable version. Ÿ Support for both android (Kotlin)&n...

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    dev agi script 4 小时 left

    Proof of concept we want to send by a EAGI script the 2 audio stream (upstream and downstream) to a websocket (2 diffenrent connection) As result the EAGI receiving in realtime the transcription of the audio stream The script have to be in PHP we providing an empty asterisk server and the access to the websocket service

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    2 个竞标