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! Contratar a VoIP Developers

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    32 trabajados encontrados, precios en EUR

    I want a cisco packet tracer like the attached below and to explain me well for my presentation.

    €23 (Avg Bid)
    €23 Oferta promedio
    5 ofertas

    Hi guys, we run fusionPBX on AWS with an end user via grandstream ht801 ATA. She is US based and complaining about excessive Post Dial Delay (PDD) - meaning she dials the number she wants to connect to...then hears silence for 4, 5, 7, sometimes 10 seconds, then hears the ringback tone begin. We use BulkVS as our main provider for outgoing, however also use Alcazar and can switch to others. I ha...

    €67 (Avg Bid)
    €67 Oferta promedio
    1 ofertas
    Virtual Receptionist 6 días left
    VERIFICADO

    I am looking for a virtual receptionist to make outbound/inbound calls

    €5 / hr (Avg Bid)
    €5 / hr Oferta promedio
    23 ofertas

    I want an app that can able to call via internet to mobile and number will change everytime. You can use this [iniciar sesión para ver URL] You can check this code

    €131 (Avg Bid)
    €131 Oferta promedio
    4 ofertas

    VOIP calling app which can make calls like app to app & app to mobile phones/landlines

    €1317 (Avg Bid)
    €1317 Oferta promedio
    10 ofertas

    I want an app that can able to call via internet to mobile and number will change everytime. You can use this [iniciar sesión para ver URL] You can check this code

    €174 (Avg Bid)
    €174 Oferta promedio
    4 ofertas
    UniMRCP Project -- 3 3 días left
    VERIFICADO

    We are planning to build a Automated IVR system, we would like to integrate the below systems 1- Implement Media Server using UniMRCP 2- Integrate / Enable ASR (Google Speech ) with UniMRCP 3- Integrate UniMRCP with our Conversational AI Platform 4- Integrate Asterisk / UCCE(Unified Cisco Communication Enterprise) for a end to end voice journey

    €3951 (Avg Bid)
    €3951 Oferta promedio
    3 ofertas
    Huawei smartax ma5620 pri setup up 6 días left
    VERIFICADO

    Set up Huawei Smartax ma5620 pri. Requires manual documentation and diagrams. Using asterisk. Need instructions on the cable connection.

    €25 (Avg Bid)
    €25 Oferta promedio
    2 ofertas

    We are looking for an Avaya Certified Implementation Specialist (ACIS) or Avaya Certified Support Specialist (ACSS) to configure & upgrade an Avaya Session Border Controller Enterprise (ASBCE) for Avaya Equinox OTT Service Provider solution 9.1.11. Inc. SSL certificate installation, reverse proxy configuration and call flow rules for WebRTC client, SIP audio trunks and SIP Video endpoints. ...

    €292 - €877
    €292 - €877
    0 ofertas

    I want an app that can able to call via internet to mobile and number will change everytime. You can use this [iniciar sesión para ver URL] You can check this code

    €194 (Avg Bid)
    €194 Oferta promedio
    4 ofertas

    I want an app that can able to call via internet to mobile and number will change everytime. You can use this [iniciar sesión para ver URL] You can check this code

    €193 (Avg Bid)
    €193 Oferta promedio
    9 ofertas
    CISCO MSX AND NSO 5 días left
    VERIFICADO

    We are looking for a Cisco Expert to help us with confirming whether Cisco MSX OR NSO will make a difference in our organization. No chancers please.

    €39 / hr (Avg Bid)
    €39 / hr Oferta promedio
    5 ofertas

    We are a Telecommunication company. Our primary target in the market is cloud pbx and Voip. Designed softphone needs work with our pbx cloud only. It can be designed with Linphone sdk, microsip etc. We are open to suggestions if you prefer other software. Listed the must have specifications below: - Source code must be shared at the end of the timeline. - It must have auto provisioning ability. ...

    €980 (Avg Bid)
    €980 Oferta promedio
    8 ofertas

    I want an app that can able to call via internet to mobile and number will change everytime. You can use this [iniciar sesión para ver URL] You can check this code

    €111 (Avg Bid)
    €111 Oferta promedio
    8 ofertas

    We are looking for an expert with Twilio Tools (IVR, Flex, etc.) to build our new IVR. This IVR need to attend calls from USA and Latam, our agents (5) are located in Colombia, and receive around 5.000 calls per month. additionally, we need integrate a WhatsApp channel, and SMS interaction. We need to build a connection with a couple Web services, to attend specific inquires with automated respons...

    €2173 (Avg Bid)
    €2173 Oferta promedio
    10 ofertas

    Cần viết các module cho perfexCRM như sau 1. Module tích hợp tổng đài IP ( PerfexCRM kết nối với Isabel, FreePbx,Yeastar..) [iniciar sesión para ver URL] tích hợp gửi tin nhắn SMS ( sử dụng SMS Brandname) 3. Module tích hợp Zalo 4. Payment Gateway --------- Trang tham khảo perfex: [iniciar sesión para ver URL] trang tham khảo Isabel: [iniciar sesi&...

    €461 (Avg Bid)
    €461 Oferta promedio
    3 ofertas
    VOIP APP IOS ANDROID 4 días left
    VERIFICADO

    We need a whitelabel voip app in IOS + Android with backend. App should have app to app call, chat , video, sms . DID Number purchase call back, call forwarding, plan purchasing

    €1041 (Avg Bid)
    €1041 Oferta promedio
    30 ofertas

    Develop an IP PBX (Telephone Server) with Asterisk based on Yocto Linux that will run in a virtualized environment on a rugged box pc, e.g. duagon BC51M. The telephone server processes function calls based on rules that are defined within the scope of the numbering plan/concept. The system is expandable and compatible at the vehicle coupling with vehicles that support the corresponding numbering p...

    €31 / hr (Avg Bid)
    €31 / hr Oferta promedio
    6 ofertas
    Simple VOIP APP in Hybrid platform 4 días left
    VERIFICADO

    Hello, We are looking for a talented developer that can make simple apps with VoIP functions in hybrid platform(Ionic, react-native, flutter). - Main features contact management, push notification management, In-App audio call using VoIP like skype - Condition If you have a lot of experience in similar requirements, bid with your previous app link using VoIP. Write platform type, app URL i...

    €213 (Avg Bid)
    €213 Oferta promedio
    16 ofertas
    App development 4 días left

     I want is an app that I can send the source caller id to and the app will pop with a notification just before the phone rings. The app would require configuration of username , password and pbx ip. I will leave it up to you on how you want to configure to app to get its data out of my pbx,s securely.

    €175 (Avg Bid)
    €175 Oferta promedio
    10 ofertas

    Hi, We are looking for a developer who can work with us on JSSIP library ([iniciar sesión para ver URL]) These are the features that we want to implement on our project: 1) Conference call with recording 2) Forwarding Call 3) Transferring Call 4) Recording of every call and save into database 5) Some UI improvements Developer must have knowledge of SIP phone, have worked on JSSIP library ...

    €209 (Avg Bid)
    €209 Oferta promedio
    1 ofertas

    we need sales agents with phone telesales experience to do a simple sale

    €14 / hr (Avg Bid)
    €14 / hr Oferta promedio
    22 ofertas

    Por favor, regístrate o inicia sesión para ver los detalles.

    Sellado Acuerdo de Confidencialidad

    we have few Asterisk pbx systems. We have an issue where if we forward a call to an external number it works only when the caller is called with CLI enabled. if someone calls as anonymous call fails. Our upstream carrier has below mention requirements. CLIs will be accepted in the Incoming INVITE SIP headers in the following priority order: 1. “P-Asserted-Identity” header 2. &ldquo...

    €179 (Avg Bid)
    €179 Oferta promedio
    7 ofertas

    Hello, I bought an 8 port SMS modem. Need it setup on a service like diafaan. Need to have the following abilities: 1- setup gateway 2- access received texts anywhere (some online platform like twilio) 3- ability to reset/turn off and on sim cards in case they stop working 4- ability to change/view IMEI

    €237 (Avg Bid)
    €237 Oferta promedio
    3 ofertas

    IT Huanwei LTE router B310-875A with R9000 A/p need to allow Ip camera web access Have panasonic Ip cameras with viewnetcam dhcp set up. have B310 lte router from isp have netgear R9000 as access point can see camera in lan but not on web do have a door bell cam set up and is working. so isp is not blocking need someone to help set up

    €100 (Avg Bid)
    €100 Oferta promedio
    11 ofertas

    I need flutter developers, who have experience in webRTC and RTMP Streaming. For a video conference and live streaming cross platform application module.

    €1127 (Avg Bid)
    €1127 Oferta promedio
    4 ofertas
    Fix Flutter App WebRTC functions 2 días left
    VERIFICADO

    We have a flutter app with webrtc and using Twilio for ICE, Stun, Turn. Three types of call 2 Way Call 3 Way Call Course call which has a host and many callers Deliverable 1. call gets disconnected need seamless reconnect 2. make sure the app uses STUN before falling back to TURN 3. make sure firebase is logging all call details needed for debugging 4. refactor code to fix and enhance the app Mu...

    €326 (Avg Bid)
    €326 Oferta promedio
    12 ofertas

    Need a telemarketer, cold callers for appt fixing

    €3 / hr (Avg Bid)
    €3 / hr Oferta promedio
    10 ofertas

    i am into telemarketing company who wants to provide sms service to our telemarketing clients

    €2030 (Avg Bid)
    €2030 Oferta promedio
    18 ofertas

    I have built new vicidial server and, i have took free trunk and did number from online for testing, Need a person who can configure that trunk and did number and make the call.

    €80 (Avg Bid)
    €80 Oferta promedio
    5 ofertas
    Asterisk VoIP customization 22 horas left
    VERIFICADO

    1. Using issabel call center module while on call with customer need to hold the call, this data need to capture in database. 2. after call finished needs pause option for (ACW) this data also need to capture in database

    €209 (Avg Bid)
    €209 Oferta promedio
    3 ofertas

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