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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    40 jobs found, pricing in GBP

    we need an expert in Linux Armbian and asterisk to compile rSAP application with Armbian

    £130 (Avg Bid)
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    2 bids

    When we receive a fax, we see the call in the Active Calls page, and then it disconnects automatically within a second. A year ago our fax server was working perfectly with the same configurations. We didn't use it for a little while but now when we are trying to, it is not working. We need someone to quickly debug this issue and fix it. we can share with you the Fax log during the interview ...

    £98 (Avg Bid)
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    Vetting of CVs 6 days left

    We are looking for a freelancer that will vet CVs and conduct/attend the technical rounds of interview along with the hiring company.

    £8 / hr (Avg Bid)
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    1 bids

    We need support in troubleshooting failing outgoing calls to determine what the root cause is. PGW 2200 is an SS7/C7 PTSN SoftSwitch Solution.

    £14 / hr (Avg Bid)
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    2 bids
    Twilio Expert needed 5 days left
    VERIFIED

    HI I am in search of some one who knows Twilio.

    £19 (Avg Bid)
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    9 bids

    iam looking for an android app which is similair to silver dialer/i tel dialer (referrence ) which is compatible with g729 audio codec & works with all standard soft switches. works well with minimal bandwidth

    £2 / hr (Avg Bid)
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    Hi All, I am looking for a VOIP expert, who can help me create a test webpage in PHP that connects to Asterisk service and make a spoof call through a provider. I should have a textbox, from where i can enter the number that i want to spoof. I used to use rapidvox, they have closed their service. suggest, any other alternate service. This is more of a research item

    £27 (Avg Bid)
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    1 bids

    I'm looking for someone to configure a direct vpn on GOIP and Dinstar, I want to have an ip address directly to access my gateways without going through a router

    £19 / hr (Avg Bid)
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    9 bids

    Hi,I have some question regarding how linphone handle incoming call and push notifications with CallKit. First of all we based our app implementation on Linphone 4.3.1 and we use Asterisk as PBX. We know that with iOS13 as soon as we receive the push notification we need to notify CallKit with an incoming call that might not exist. I saw that in your code you use as call identifier the SIP Call-ID...

    £445 (Avg Bid)
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    3 bids

    Setup dialer for GSM mobile phones ready to be used with the CRM module on Odoo community v.13. Functions: *Click to call, in and outgoing calls *Call history *SMS in and outgoing + normal standard functions for this kind of installation, reports and so on. Description All callhistory and sms conversations should be registrated in Odoo under the contact that was called. It should also b...

    £184 (Avg Bid)
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    6 bids

    We are trying to build asterisk system based on the following requirement. Asterisk (R) and Asterisk (B) Asterisk (R) which is Raspberry PI based and attached with USB dongle with no SIM card Asterisk (B) is connected to some SIM box but with SIM card attached Using softphone, we are connected to Asterisk (R) or Asterisk (B) and make a call to some number. Asterisk (B) will send some code t...

    £913 (Avg Bid)
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    This VPN will Connect a Main Office to a Cloud-based Debian server (both in GCP & AWS) Notes: Requires understanding of SonicWall VPN & Hands-on AWS and GCP platforms, 3CX systems is a plus

    £25 / hr (Avg Bid)
    Featured
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    12 bids

    tele call setup apointment for our client n company in australia

    £47 (Avg Bid)
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    trying to get a simple wss://[login to view URL] up and working and proxying to SIP server. i have [login to view URL] built out but i might be missing something so small need someone to help troubleshoot to get it working.. i have [login to view URL] 1.) use [login to view URL] or [login to view URL] hopefully to verify webrtc client demo (login with sip:1111 @ [login to view URL]...

    £76 (Avg Bid)
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    PGW configuration 4 days left
    VERIFIED

    Configure CISCO PGW 9.3.6 to populate GAP field for ANSI number portability while in signaling mode.

    £449 (Avg Bid)
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    4 bids

    We want to implement Voip sales and customer support for our e-commerce business selling loan and homeschooling application assistance. we are looking for a experienced team to implant a subscription model onto our website 3 month to 5 years subscription for application assistance services

    £1010 (Avg Bid)
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    I need this built in laravel of the newest kind. the site features should look like: [login to view URL]

    £3631 (Avg Bid)
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    64 bids

    LUA script I'm looking for a IVR LUA script : Step 1: Play Sound (What is your employee number Step 2 : See in Mysql all employee number (active) Step 3 : Load the employee in the IVR Step 4 : The call enter the employee number Step 5 : The script verify in Mysql if the employee are In or Out Step 6 : The system put the employee out if are in and put in if are out in the MySQL Kind Regard

    £23 (Avg Bid)
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    I'm seeking an US based freelancer who can chat(only voice) with my clients based in the US. He should chat with 1-5 clients and it's about computer software. All docs will be provided before chatting and every chat will be take about 10 mins. If you have some knowledge about computer science or software, it will be a plus.

    £16 / hr (Avg Bid)
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    Build a Call Center solution. 3 days left
    VERIFIED

    Please read the complete description and bid....! I'm looking for a NEW call center software(in-house or cloud based) that should be able to to do very basic functionalities. Such as answer inbound call. Make an outbound call, Call transfer, Call conference, Basic IVR functionality and Reporting(real-time and historical) are the essential functionalities. If you think you can full fill the...

    £461 (Avg Bid)
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    21 bids
    whatsapp sip Gateway 3 days left
    VERIFIED

    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 versions of...

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    Posting again, closed project by mistake, Looking for developer to help build voice/ video broadcasting android app, integrate Twilio or Agora or such for chat room, or private chat rooms And must have agent portal and client portal and admin portal For more information contact me I’ll send you reference Please only bid if you have knowledge

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    i want to convert my android phone as sip voip gsm gateway like GOIP, DINSTAR. android phone will register with my softswitch via 3g internet and when my softswitch will send call to android it will forward to gsm network. (VOIP CALL TERMINATION) so it will work like DIALER(DIALS NUMBER)--> MY SOFTSWITCH --> ANDROID PHONE --> TO NUMBER DIALED BY DIALER.... This will be main future.. an...

    £375 (Avg Bid)
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    Add push payload to voip server for callkit call-id in the post {data}

    £480 (Avg Bid)
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    10 bids

    I need an Calling Android app. for VOIP Business like Itel Dialer with features of register with email and recharge or with Pin Sip by company

    £433 (Avg Bid)
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    20 bids

    mini POC WEBRTC-to-SIP architecture backend buildout for SIP server to webrtc (kamailio or janus) docker build setup to Sample this SIP-WEBRTC (to enable websockets) client= webrtc sip register=SIP server does RTP have to flow through kamailio or SIP-WEBRTC as well trying to model off this [login to view URL]

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    we want to separate Freeswitch server on our bigblue button sever

    £109 (Avg Bid)
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    I require installation of goautodial 4 in vultr (VPS), with the configurations, Trunk, Users, Recordings, Webrtc for remote agents, everything required for call center

    £39 (Avg Bid)
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    I want to achieve the following: 1) all incoming calls into PBX should show as popups in vTiger. If they are existing contacts, that contact details should be shown. If not, then new lead should be created. Outgoing calls from the pbx should also be logged into the crm. Click-to-call in crm should be functional. Can all this be done? Please revert at the earliest so that we may get this going. tha...

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    I am running ISSABEL 4.0.0 with asterisk 13 as well as vTiger 7.1 free edition. I want to integrate the two.

    £88 (Avg Bid)
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    7 bids
    Twilio Voip Apps 1 day left
    VERIFIED

    Hello, I need a Voip app for Android & iOS Bases on Twilio SDK [login to view URL] [login to view URL] Receive and make voip calls even if app closed. Apps always running in background.

    £353 (Avg Bid)
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    12 bids
    Goautodial Expert 14 hours left
    VERIFIED

    we are looking for a goautodial expert for long term job

    £144 (Avg Bid)
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    9 bids

    cisco phone: 8841 Free PBX: [login to view URL] Static IP of LAN Our office

    £36 (Avg Bid)
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    7 bids
    ivr gateway 5 hours left
    VERIFIED

    i want cloudbase ivr telephony solution where we can redirect to different departments

    £95 (Avg Bid)
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    hello, we would like to create a web softphone for our asterisk freepbx server. the page must have username and password to access the web phone. on the same page there must be information such as, campaigns enabled, calls waiting, calls answered, and average conversation time. all on one page. then we would like to have a control panel where to enable users to the various campaigns / queues

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    Hi, I have a basic jitsi server. I want to customize it. Experience people most welcome. If someone has capabilities to complete this project in 10 days most welcome for this project. Before read kindly read the doc carefully. All the project tasks mention below.

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    hello I would like Trixbox / Asterisk [login to view URL] installed on a VPS, and have trixbox working and to put the install steps on a text file for me. Thanks

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    Nous travaillons avec FreePBX (Asterisk basé sur FreePBX) depuis des années et souhaitons migrer/tester XiVO Community (basé sur Linux Debian). Dans un souci d'efficacité et de gain de temps sur la R&D (recherche, développement, déploiements, tests), nous cherchons un prestataire freelance qui maitrise bien Xivo. Nos besoins sont assez simples...

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    Tienes que configurar, instalar, y configurar campañas. en Issabel. La instalacion sera en un VPS centos. Ejemplo NumeroEjmplo1 - Agente 1 - Campaña 1 NumeroEjmplo2 - Agente 1 - Campaña 2 NumeroEjmplo1 - Agente 2 - Campaña 1 NumeroEjmplo3 - Agente 3 - Campaña 3

    £47 (Avg Bid)
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    Baixa o e configurar servidor freepbx emtem ambiente de nuvem + configurar troco um saídas + configurar dois troco entrada com número did + configuração de ura + configuração servidor local para entrada GSM + Baixa o e configuração tarifador

    £423 (Avg Bid)
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