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! Hire VoIP Developers


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    Cisco Router 6 days left

    Our Telco carrier upgraded two T1 circuits that are part of our MPLS system. We need to upgrade the cube on the on site Cisco 2901 router for the affected location with the new IP information provided by the Telco provider, test connectivity and make sure that VoIP calls are coming through in our Cisco UCS telephone system for this location.

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    Job description Calling prospective customers through any telecommunication technologies Influencing customers to request for demo by following a prepared sales talk to give service on product information. Completes the lead by recording convenient time for demo, point of contact name, phone number, addresses, and email id.

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    Need some developer with experience in agora api and android media recorder to solve recording voip call issue in adroid less than 10 in a project

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    Twilio Expert 6 days left

    We requires expert in Twilio API to do custom developments. Candidate should be available to work on Saturday- Sunday, he should be flexible in timing to work. Start your reply with "I am available on Weekends"

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    We are an android developer We have an android app that receives video calls from hardware ( intercom system). Our app uses linphone client to receive calls. - Linphone Android works perfectly over Wifi network, but when we switch to 3G/4G it stop working. No SIP registration happen or any incoming call. - Switching of network needs to work smoothly. Need to solve this problem and only expert who...

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    hi we have a requirement to install webrtc in vicidialer so that our agents can connect to panel without using softphone. we need to skip softphone configuration during login

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    I am just looking for a software than can do the following: * Make and RECORD phone calls using a laptop * Hire virtual numbers from Mexico, Canada and USA to receive calls * Make voicemail greetings (recording) If the laptop software also has a cellphone app, that will be great (not required though). NOTE: I am NOT looking for the freelancer to create a new software, I am just looking for some...

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    Doing tele calling for particular assignment

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    I need a react native developer for SIP call application. If you have experience with this, send me reference app link or apk directly.

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    i need to join goip and skyline with asterisk for make calls and in same time join goip with api to build new smart interface and send ussd and sms and do recharge sims etc in same time need asterisk unser some dail plan delay call to send to goip thx

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    Kannel SMS gateway setup 4 days left

    I have one ejoin modem for sending SMS using SMPP now i need to make sms api for Send SMS and DLR report using Kannel i need this solution i have own SMS billing. if you are expert in Kannel then bid on this project. I am already setup this kannel on my raspberry pi location Device here sms sending are working but issue with DLR report and sending much number of sms. you need to do working over te...

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    I need a softphone (ish) application that can monitor a Sip extension (freeswitch/fusionpbx) display a popup showing incoming call with caller ID number and name. When the call is answered by clicking the answer option on the popup or when answered via the IP desk phone (yealink t46g) I need it to open a url in a default web browser and have the ability to append the callerID number at the end of ...

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    Looking for experienced High Ticket Closer who has experience in sales, inbound & outbound calls and Closing

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    looking for some one to implement an app for push to talk PTT with asterisk as a back end .. The android app will use the functions and features of Asterisk to create push to talk functionality

    $1001 (Avg Bid)
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    Outbound IVR Call Solution 4 days left

    Looking for experts to develop an outbound call IVR solution to send out voice calls to 10,000+ mobile numbers, with pre-recorded messages in different languages.

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    Building Asterisk cluster 4 days left

    I am searching for an expert who can help me building cluster and load balancer with Asterisk

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    I already have the cloud software I just need some one to add a few touches like add my merchant gateway , and set it up so it charges per minute and that it will notify the caller once they have one minute left and allow them to add more talk time . This is fairly simply since I have the cloud software and my own ivr I am using and the software that I have comes with a i...

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    Hello I have an asterisk pbx that works behind firewall and the way it works is with a router that allows IP traffic destined for SIP communications from internet on dedicated WAN port to be directed with no inspection to and internal IP of the asterisk PBX, also all internal lan trafic to asterisk PBX is thru the internal IP address. In the router all outbound SIP traffic is redirected thru the s...

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    I need an Asterisk Expert for certain task. Let me know if you have the ability and expertise on Asterisk. Thanks!

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    We're developing an app which has an unepected need for Asterisk integration. We need 1 extra developer to help setup asterisk with SIP trunk to take data from a python program, and make a phone call with that data. The call will need SpeechRecognition implmeneted, and play DTMF tones.

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    We are Europe based center that can offer Outbound/Inbound/Survey services for US/UK/AU clients. Currently looking for new campaigns; 5 agents ready to start next week. Hourly rate 6$USD. Requirements: 1. DDV PROVIDED 2. PAYMENT CYCLE 7NET 3. NO UPFRONT PAYMENTS Please check our website for more details: [login to view URL]

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    We are reputed private company having 50 members team readily available to provide any kind of Product/Services 24/7 support like e-business, e-commerce, Logistical management, Handling inbound/outbound calls, application support, desktop support and infrastructure support. Location : Tuticorin/Tirunelveli

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    dialer /voip 3 days left

    Create a dialer caller with the features of all types of calls Like the one in the attached picture

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    Vicidial Avatar Soundboard 3 days left

    Looking for an expert who has experience in Predictive Dialer installation with AVATAR. VICIDial/GoAutoDial need to be installed along with Avatar/Soundboard. You need to setup the campaign and demonstrate before payment release. Mention a word *123* if you have read the post correctly Need to be done within 2 days.

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    hello i would like to setup my sim bank with my gateway 32 port and softswitch sip i have sim bank 128 and 2 gateways 32 goip

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    Asterisk TLS 2 days left

    Need to create tls certificate in asterisk server

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    A2Billing Payment gateway 2 days left

    We need to develop a payment gateway in PHP for A2billing to process online credit card payments using our merchant account. The information from the monthly invoices should be sent to the merchant each month for processing.

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    we are looking for a consultant to develop a microsoft teams add-in that consists of a webrtc application for voip pbx (asterisk etc..)

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    I need a module program for make a long audio (30 mins to 2 hours) file convert to text . the language are combined cantonese and english. i need the program can be auto checking which audio file need to convert to text ( not in DB) and convert text save in DB .All process in offline network. because too many liar in here, i will not to per-pay money until project done. don't ask me deposit....

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    voice over private wifi 2 days left

    Need a software development to have voice over a private wifi we are using for industrial application limited to 1mo/s. + connection to micro and speaker of course

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    Hello, We need to develop a SIP to Whatsapp gateway. The gateway should be able to pass voice calls incoming over SIP and forward them through Whatsapp to complete the call to the called party number. The development platform/operating system is not important. The project should be completed either by using the Linux/Windows Whatsapp executables, or by using the Android / Windows Phone mobile ver...

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    Configure Audiocodes MP114 for use with MicroSoft Teams

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    Are you able to configure Zoho Desk with WebRTC clients to use an arbitrary SIP provider? You are the person for the job. You configure Zoho Desk Phone integration with arbitrary SIP provider we are using currently. The job is complete if we can make outbound calls using the Zoho Desk WebRTC client and receive inbound calls from SIP provider in Zoho Desk and process them in a example call flow and...

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    We are looking for an in-house call centre solution. We will provide our own server. The objective is to have our own PBX system as well as call centre system for the customer care department. The tasks include: 1. Install GoAutoDial or Issabel in the server. 2. Connect with the telco provider (SIP link) and configure hotlines numbers for both call centre and PBX. 3. Configure IVR, ACD as per t...

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    Cucm configuration 1 day left

    Cucm for call management need to be reviewed and configured via firewall. We can dial but no one can call us from outside, inbound not working outbound is OK. I prefer to work with experts.

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    Need an experience Avaya ACO and Avaya CcasS consultant for configuration support that can help setup a call center on their platform. the person needs to skills that directly relate to the Avaya platforms we have access to. our users are in house and remote. but the main problem is the speed of implementation and working with the CcasS staff to make changes based on our clients request

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    We have an Issabel pbx (based on asterisk 16) which is a fork of Elastix 2. On Issabel (as on elastix) we have Endpoint Configurator for fast provisioning of IP phones, we already have a list with some IP phone, but we would like to add new configuration file. Since the issabel is an open source project we can add new phone configuration file . To have an overview, there is the repository to modif...

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    WE ARE LOOKING FOR EXPERIENCED & START-UP CENTERS TO WORK FOR DOMESTIC OTT MEDIA SERVICE. Nature of work : Inbound process Number of seats : 20 Payout : 48,000 per seat Contract period : 2 yrs Working Days : 26 days Time : 10 am to 7 pm Direct Sign-Up With The Client.

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    ICTCore is communications framework and we are looking freelancer that can work on ICTCore project [login to view URL] which is open source communications framwork based on freeswitch therefore voip ,php and freeswitch basic knowlege is must to apply this job

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    We are an android developer We have an android app that receives video calls from hardware ( intercom system). Our app uses linphone client to receive calls. - Linphone Android works perfectly over Wifi network, but when we switch to 3G/4G it stop working. No SIP registration happen or any incoming call. - Switching of network needs to work smoothly. Need to solve this problem and only expert who...

    $87 (Avg Bid)
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    Changing of SIP VoIP App 19 hours left

    I need a programer to change the layout of a open source SIP VoIP app and publishing it to the Google play store an apple iTunes.

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    Issabel IP PBX 17 hours left

    I would like to make my IP PBX Issabel GUI same as pekepbx GUI same or near design : you can see the link below : [login to view URL] #please read the file call center [login to view URL] to get all information about the project. same features but support Arabic language specially for report call center module view and real time some requirements :- -real time live for agents view (incomin...

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    voipmonitor Installation 15 hours left

    We are installing a voipmonitor to monitor calls for a voip platform , we seems to have some issue and we need a person with alot of knowledge of installing this please review the following website for instructions if you can install we will hire for one time. [login to view URL]

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    VOIP Mobile APP 13 hours left

    Need developing Mobile APP to connect to IP Phone System using SIP(WebRTC)

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    Sip Server and Sip Phone code 13 hours left

    Hello there, I want a Sip Server or Sip Phone ready made code. Functionalities that I need the most is: 1) When one user calls another user through our server and that user does not exists server must call one exe. 2) Sip phone must have a feature to accept multiple calls on one device redirecting calls to specified list of microphones and speakers in a text file. Note : We do not want to dev...

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    Looking for a Cisco Engineer 2 hours left

    Hello, freelancers i am in search of a cisco engineer who can do software development of cisco cable set up box.

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    Habilidades: Cisco, Administración de redes, Administración de sistemas, Linux, VoIP

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    SIP Soft Phone 2 days left

    Gelen Voip Çağrıları Cevaplayarak Ses mesajını dinleyip kayıt yapacak ve gelen mesaj karşısında cevap dinletecek. Eş zamanlı 500+ üzeri çağrıyı cevaplayabilmeli C# Dilin de winform uygulama olacak kaynak kod için teklif istiyorum

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    Necesito un scriptlet que me permita llamar a un número telefónico, ponerlo en espera, llamar a otro número telefónico, unir ambas llamadas para iniciar una conferencia tripartita y después dejar en llamada a ellos, cuento con un servidor FreePBX y debe ser web, por lo tanto he buscado hacerlo con sipml5, [login to view URL] y jssip, pero en todos solo he logrado...

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    gateway goip para trabalhar com simcards do brasil, discando para cuba

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