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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    41 jobs found, pricing in GBP
    Setup a dialler on my server 6 days left
    VERIFIED

    - Setup a dialler on my server - further setup the dialler's campaign - dialler with recording is preferred (3rd part app with recording is also welcomed) - find a VoIP sip for this dialler's campaign with an unlimited budget plan for both inbound and outbound calling

    £54 (Avg Bid)
    £54 Avg Bid
    2 bids

    I am looking to build a comprehensive Fax web-app with the following requirements: 1. Email2Fax.(including Email2Fax to multiple fax numbers at once through an email distribution list) 2. Fax2Email 3. Admin interface to manage users settings etc. 4. User interface to send and view received Fax 5. Storage and protocols must be Secured and encrypted for HIPAA compliance. **Please provide a demo for...

    £850 (Avg Bid)
    £850 Avg Bid
    5 bids

    We basically need a regular vendor for VOIP Carriers on regular basis.

    £227 (Avg Bid)
    £227 Avg Bid
    4 bids

    I need a systems technician to set up a linux server with firewall, email, VoIP and Messaging services. The server will be either a phial server or a virtual server with a recognized service provider

    £423 (Avg Bid)
    £423 Avg Bid
    19 bids

    I am having some issues with recording in Jitsi. Need somebody to help me fix it. Thank you

    £48 (Avg Bid)
    £48 Avg Bid
    4 bids

    my website is developed using CMS caller Perfex and I need you to integrate softphone so that my team can call leads using CRM only. Softphone Type: -with SIP login - work with VoIP channel with call recording

    £433 (Avg Bid)
    £433 Avg Bid
    3 bids

    I want to setup ViciBox on a cloud server. I am thinking of using Google Cloud Computing, but if there are better alternatives that are more simple and more cost effective, please let me know. Also, I would like to link my domain name to the server where I can login from my domain name with a username and password. Please let me know how much and how soon.

    £108 (Avg Bid)
    £108 Avg Bid
    7 bids

    Urgent requirement of an expert to install and configure the ViCi-Dial for my company.

    £100 (Avg Bid)
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    4 bids
    Asterisk Expert Needed -- 2 5 days left
    VERIFIED

    Hi. I need someone to manipulate the receivers response to the caller according to the time of answering the call. Please let me know only if you know how to manipulate "SIP Response Code" in Asterisk SIP Trunk. Thank you.

    £169 (Avg Bid)
    £169 Avg Bid
    2 bids
    Android Project 5 days left

    Job Description: Roles and Responsibilities: Developing feature sets for a cutting edge telephony product on Android. Unit-test code for robustness, usability, and general reliability. Work on bug fixing and improving application performance. Continuously discover, evaluate, and implement new technologies to maximise product performance and robustness. Maintaining technical documentation like arc...

    £225 (Avg Bid)
    £225 Avg Bid
    5 bids

    I'm looking for a service to install Asterisk or Elastic PABX for my call center Must have recording feature and reporting module, also looking to integrate this PABX to existing in-house CRM

    £133 (Avg Bid)
    £133 Avg Bid
    14 bids

    We are having some issue with OLD Analogue Phones. The call is answering right after the dial is initiated. So our customers are being billed for hearing the ringing tone. The caller gets the 200-OK message at the beginning of the call. None of above is expected. We need our customers hear fake Ring back, not billed & their CDR not updated as answered until the call is picked up by a real hum...

    £102 (Avg Bid)
    £102 Avg Bid
    4 bids

    Hello I have issue with my Asterisk certified/13.18-cert2. it 's rejecting the incoming call with the header Tel: ... I need a small modification on the asterisk to accept the calls. I need developer who will develop small patch for me . find the attached invite

    £19 (Avg Bid)
    £19 Avg Bid
    2 bids

    Is it possible to create an app that can find out who is originating spam calls? I want to identify the company calling me so I can contact them and let them know I have their identity and want them to stop calling me. With spoofed numbers it's very difficult to talk to anyone in charge.

    £1080 (Avg Bid)
    £1080 Avg Bid
    35 bids
    Linksys WRT3200ACM 4 days left
    VERIFIED

    Need to properly configure the router Linksys WRT3200ACM. The connection of 2.4 works perfectly but the connection of 5 Ghz no Internet Afte need to Turn off the DHCP servers in all other devices

    £14 (Avg Bid)
    £14 Avg Bid
    8 bids

    IVR Industries (and sub-industries) Manage audio lists by industry 1. Menus - each menu has playback file to navigate the listener what button to press. 2. Menus - ability to make sub menus. 3-5 levels. 3. Menu can navigate to: a. Sub menu b. Playlist of files located in the server c. Connect to Icecast Live Broadcast url to listen to radio. 4. Ability to insert "PROMO" files before ...

    £437 (Avg Bid)
    £437 Avg Bid
    17 bids

    Hi. I'm running a SIP Trunk with asterisk. The problem is when we call a Analogue Phone the duration starts at the beginning of the ringing. We need someone who could setup the Ring Detection module of asterisk to bridge the call and let the duration start only when the ringing stops. More details will be described with the selected freelancer.

    £131 (Avg Bid)
    £131 Avg Bid
    2 bids
    Update OpenSIPS to Latest 4 days left
    VERIFIED

    I'm using OpenSIPS with SippySoft. I want someone to update the OpenSIPS to latest without loosing any functionality and show me how it's done. More work will be provided in case of success.

    £86 (Avg Bid)
    £86 Avg Bid
    2 bids

    Hi. I need someone to configure STUN & ICE on asterisk. More requirements will be discussed over chat.

    £110 (Avg Bid)
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    3 bids
    Can't hear on Android app 3 days left
    VERIFIED

    Hi, We are in process of building app on Android. When making audio video call users can't hear incoming or outgoing calls. User can't hear other user as well. We are using Twilio Api It was working fine but now app is on play store we are getting this problem. Need urgent fix only who is experienced. No time wasters

    £302 (Avg Bid)
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    15 bids
    RTP IP Hiding 3 days left
    VERIFIED

    I need to configure asterisk to hide or mask the RTP IP of the vendor by masking the IP with a name. Please let me know if you have experience in this.

    £126 (Avg Bid)
    £126 Avg Bid
    2 bids
    lead generation 3 days left
    VERIFIED

    Cold calls, Need a predictive dialer. dial 100s of contractors and ask if they do work in our area and then just say "ok ill have the boss call you in 2 min". a lot of the phones dont get answered so we need to try them repeatedly through the day at different hours

    £111 (Avg Bid)
    £111 Avg Bid
    14 bids

    We are looking for contact centers for a Customer Support campaign; The Contact Center shall handle their inbound calls from customers regarding the Inquiry of products, Complaints handling, Wrong product delivered, Refund queries, Register refund request, New / upcoming sales or offers, etc. -Seats Required- 20 minimum -100% Advance Billing given by client For more details please send a messag...

    £1914 (Avg Bid)
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    5 bids

    kannel expert don't waste my time , I have two apis one to send sms ( we need to save variable name mms) second we need top dlr-url=%mms that's it I need someone who knows how to parse

    £7 - £22
    £7 - £22
    0 bids

    I need SMS setup on my FreePBX & FusionPBX hosts, I also need documentation and training on the process.

    £192 (Avg Bid)
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    5 bids

    I need someone to help me preventing the 200-OK Message passed to the dialer in some cases. More will be described in chat.

    £110 (Avg Bid)
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    2 bids
    Asterisk Expert -- 3 2 days left
    VERIFIED

    I need an Asterisk Expert for couple of works. More details will be described later. You need to be able to create asterisk scripts and have to be expert on making dialplan.

    £124 (Avg Bid)
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    10 bids

    We need someone who can find our call centre new projects to work on, in order to be paid you will need to provide me with a contact for a new project, once the deal has been done and we get our first payment you will be paid.

    £13 (Avg Bid)
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    5 bids

    i need integration erpnext crm with issabel and make pop up on call show customer details and call record and ather and i need sorce code We should have incoming call popup with data being picked up from the ERP Next CRM Module for a existing number and We should have a option to save a un-known new number as a new Lead or Save to a existing customer / supplier / other contact similarly we should...

    £239 (Avg Bid)
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    3 bids

    I want to HA-Setup of Kamailo SBC to connect multiple Microsoft Teams account. So in this Project: * Install Kamailo-Cluster * Install Opensips (with CLI and CP) * Configure TLS Certificates * Configuration RTP Proxy / RTP Engine * Setup Inbound / Outbound Routing * Setup Security best-practice Example MS Teams Tenant A <--> Kamailio-HA-Cluster SBC <--> PBX (SIP-Trunk) MS Teams Tena...

    £462 (Avg Bid)
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    4 bids
    Fusion PBX Tune up 1 day left
    VERIFIED

    Need a tech or developer to tune up Fusion PBX [login to view URL] some registration issues on Legacy devices like Cisco [login to view URL] issues with ATAs, Cisco SPA 112 & Grandstream ht801. Also need to whitelabel fully.

    £118 (Avg Bid)
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    7 bids
    Rebrand FreePBX 1 day left
    VERIFIED

    I know there is no OOTB or Free way to rebrand FreePBX. I am looking for a way to rebrand anything at all for FreePBX through code or developing: Logo, icon, names, footer and headers.

    £21 (Avg Bid)
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    6 bids

    Need someone who can modify a client software for unified communication client software. Has knowledge of SIP client, video conference compatible with Asterix and Cisco CME

    £18 (Avg Bid)
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    2 bids
    Inbound Calls 1 day left
    VERIFIED

    Hi We have vehicle rental business where customers call us for vehicle booking. We have multiple locations . We want to set up inbound calls center preferebly 24 hrs if possible.

    £302 (Avg Bid)
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    29 bids

    We have a ISR4331 that we use as a voice gateway. Currently it is on version isr4300-universalk9.03.16.04b.S.155-3.S4b-ext.SPA.bin. The TCL script send a tone to an FXO port at certain times that we use as a shift-bell. I would like to upgrade to [login to view URL] but when I do the TCL does not function. Because this is a production system we need to troubleshoot during non-business times....

    £136 (Avg Bid)
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    3 bids

    Requirements: - call reject/hang up, - call transfer, - no activity detection/silence detection, - DTMF detection, - Linux platform kernel version from 2.6.

    £489 (Avg Bid)
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    7 bids
    OpenSIPS Expert Needed 18 hours left
    VERIFIED

    Please let me know if you have experience in above tools. I've some little things to do. First project is. I need to mask the RTP IP of the originating site with any IP which is not present in the server. So the termination site will see a different RTP IP than the original one. More details will be discussed on chat.

    £161 (Avg Bid)
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    2 bids
    i need a dialer expert 9 hours left
    VERIFIED

    hi i am looking for a dialer expert who can setup our dialer for us and help run it.

    £260 (Avg Bid)
    £260 Avg Bid
    7 bids

    we want to setup Bitrix24 with Sip Connector integrated to our IPBX

    £54 (Avg Bid)
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    2 bids

    Le projet est la création d'une plateforme de voyance en consultation privée par téléphone, tchat et mails. Il faudrait que le client puisse acheter des minutes de consultations dans un portefeuille et qu'il puisse les utiliser en téléphone ou en tchat ou les 2. Il faudrait qu'il y a un module d'avis que le client puisse laisser son avi...

    £1215 (Avg Bid)
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    7 bids

    Используем сервис RingCentral (телефония по США), на сервисе порядка 100 пользователей, которые работают удалённо (страны СНГ). Столкнулись с рядом проблем, но не можем разобраться - или это на стороне сервера (сервиса RingCentral), или это на стороне юзеров. Нужно изучить статистику по качеству связи, проверить "проблемных" сотрудников на предмет качества подключения и дать отчёт по н...

    £100 (Avg Bid)
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    1 bids

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