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

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    41 搜到的工作,价格货币为 USD

    I am looking for someone who could assist in remote installation and configuration of openfire and freeswitch servers for our comms app.

    $17 / hr (Avg Bid)
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    Mikrotik Userman config 6 天 left
    已验证

    I need a very quick setup of Mikrotik RB4011 hotspot radius using userman

    $29 (Avg Bid)
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    I want a FreeSwitch expert configure a Server to send calls to my ISDN gateware from FreeSwitch and receive calls from FreeSwitch to ISDN. I have 30 channels with 60 DIDs, I want Calls to be sent to the 30 Channels using the 60 DIDs randomly with 10 mins pause after each call.

    $283 (Avg Bid)
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    4 个竞标

    I did already install VoIP system with 5 nodes (please, see detail in attached file) - 02 nodes: dSIProuter (Kamailio, RTPengine, Mysql, Nginx (docker)) - 02 nodes FusionPBX (Did config HA with Postgresql BDR & HAproxy) - 01 node install Homer (For monitoring the SIP, RTP & WebRTC) I need a expert to advise, fix some bugs and optimize this entire pilot platform. Include the following: - A...

    $23 / hr (Avg Bid)
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    I need Ready Video Calling Apps Android. If you have ready project, please contact with me... i need full project with full source code with documents.

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    Hi, I need someone has good exp and knowledge to working in the Jitsi Meet server. I already have an existing jitsi server I want to modify. Task details are given on file. if you can complete the project in 20 days let me know.

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    We need a developer to create a Simple SMS Bulk Sending system to connect with our wireless gateways via SMPP as well as the Twilio network. It needs to support scheduled campaigns and preferably have an account management system for our clients to send SMS.

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    Need to generate apple push notification from my server. I need someone to help with this. Only bid if you have a script or ready made solution i can put into my linux server to generate Apple push. Only bid if you have done this before. I want to achieve VoIP push and need my server to generate push notification [登录来查看链接]

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    This task is straight forward. I need a iOS linphone app that recieve VoIP push and work in background. Only bid if you have done this before. No time waster. I will need to see evidence you have done this or we start with a proof of concept. Open to other iOS mobile sip client that can work with freeswitch and recieve push. I will provide server detail - i use fusionpbx

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    Hello All, cisco and dlink switch mulitiple vlans setup & refresh my network knowledge training with the switch setup would be ideal.

    $19 / hr (Avg Bid)
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    Jitsi server 5 天 left
    已验证

    More details in chat

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    Our main goal to minimize the BW in client side with good quality of voice . We need some kind of bandwidth compression system ( upto 60-80% than usual SIP calls )from Server A to Server B. Server A = Asterisk server Server B = Asterisk Client server Explanation of scenario: 1. server A ( asterisk server, with static IP) receiving VoIP calls , with sip protocol, using G711,G729 and/or G723.1 c...

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    Hi , We need someone. who has an Exp in Jitsi video conferencing? It also has an in and out Knowledge. Who can deliver the project promptly? * I want to modify the Jitsi server * Expert needed.

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    I am looking to make an app that will do the following. Information page for products advert page and once new products are listed it should notify subscribers of the new items client information page. agent login page. in the agent login page it should give out the gps location of the agent that logged in. if possible to contact the headoffice via the app either via chat or physical phone call....

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    We need a mikrotik expert with proven experience to support our team on some specific tasks that we are performing.

    $13 / hr (Avg Bid)
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    15 个竞标

    I am looking for installation instructions that work to get the i2conf mcu from the minisip project on a raspbery pi with raspbian lite installed on it. I am not looking for alternative software, it has to be i2conf mcu

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    Please review this website [登录来查看链接] I need to replicate there backend using only asterisk. That requires implementing asterisk to my AWS server. To be specific , I need a developer to add asterisk to my server and develop a secure rest api that will prank call two people for you using asterisk in my server. Please use the website i linked above to understand exactly what kind of prank calling I&...

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    We are looking for a passionate and talented VoIP Engineer to join a multicultural team (including French, Russian and Romanian) and help us tackle ambitious telecom challenges. You would be part of a growing tech team of 30+ people that builds a cutting-edge international VoIP network on which relies our SaaS customer interaction management solution. This solution allows our 300+ customers conne...

    $52 / hr (Avg Bid)
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    ViCiDial theme installation 3 天 left
    已验证

    I am looking vicidial theme that is modern and user friendly. I will need this theme installed

    $231 (Avg Bid)
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    I want a asterisk call base caller/callee filter solution on PHP which can filter incoming traffic and create whitelist and black list base on condition of repeated callee and non repeated callee with voipcall bandwidth optimizer..It will also work from 1ip to another ip.. Blacklists and whitelists of phone numbers/ Caller IDs on the basis of repeated numbers. Maintaining Call Gaps between calls ...

    $507 (Avg Bid)
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    config the cisco ASA FW with HA mode , C3K switch

    $409 (Avg Bid)
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    We are looking for a remote engineer who is capable of level 2 / level 3 networking / server / voip administration. Skills in virtual environments, windows server, linux servers, backup, cisco, mikrotik setups, voip all useful. References preferred and checked. Location doesnt matter but generally availible in the EST USA time zone. Expected 10-20 hours a week.

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    Hello My Need user friendly voip billing switch unlimited agent & customer account create option with anti block mobile dialer including whats apps facility . in one server need all configuration & for dialer vpn separate server maintain . please if you have already developed & testing complete switch please give me demo link with price.

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    We are using Zoiper to comunicate our clients we have some function that we want to automate in call without any human help.

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    Android Voip Dailer 2 天 left
    已验证

    Looking for android VOIP dialer with anti blocking solution, need to work of blocking countries. audio and video it's should support all kind of soft switches

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    Want a xamarin-based functionality that can be plugged into an existing app. Please provide a quote for the whole project, from start to finish.

    $2684 (Avg Bid)
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    23 个竞标
    SingUp Website 1 天 left
    已验证

    Hello Everyone i need My server New User Singup Option my website Can Help Me Just Contuct Us ..... My website : [登录来查看链接]

    $25 (Avg Bid)
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    Hi, we provide a Virtual PBX service to our customer and we would like to integrate a CRM service with CTI features. We need to develop an application for FusionPBX (Freeswitch gui) in order to integrate it with CRMs. That's what we want: BackEnd - The app is fully integrated on FusionPBX menu and support FusionPBX permission's system (who can see what) - Accessing the app with an admi...

    $167 (Avg Bid)
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    FusionPBX integrate with CRM 1 天 left
    已验证

    Hi, we provide a Virtual PBX service to our customer and we would like to integrate a CRM service with CTI features. We need to develop an application for FusionPBX (Freeswitch gui) in order to integrate it with CRMs. That's what we want: BackEnd - The app is fully integrated on FusionPBX menu and support FusionPBX permission's system (who can see what) - Accessing the app with an admi...

    $155 (Avg Bid)
    $155 平均报价
    2 个竞标

    plan and design a highly scaleable, fault tolerant IT infrastructure for my company on amazon web services. - Hosting enviroment for my websites -VOIP currently use Ooma office - Google resources for virtual office enviroment - Email server - Streaming enviroment

    $524 (Avg Bid)
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    I want a Power Phone Dialer built similar to Phone Burner. I am a CRM developer and I want a product I can resell to my clients and have it integrate with Bitrix24 with a Rest API. Do not contact me if you do not have a telephony experience. You are wasting my time and yours. Thank you!

    $36 / hr (Avg Bid)
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    We need a basic website that can provide VOIP between users.

    $97 (Avg Bid)
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    Hello i need voip billing switch & anti block mobile dialer android + iphone with whats app [登录来查看链接] you have ready with testing complete sent details demo link & price details. my need reefer option in dialer reefer account holder found profit % from admin & profit balance share option another user profit account .agent route buy sale possible freedom. Another requirements need same ...

    $1115 (Avg Bid)
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    Hi freelancers, I need one voip expert for urgent basis. YOu should have clear knowledge how to set up voip service for call center. You should have clear idea bout DID, SIP TRUNK and other terms. I want to set up 3CX voip services for my company. YOu have to add toll free numbers to 3cx so staffs can pick up calls from their apps. Thanks again.

    $330 (Avg Bid)
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    I am using Elastix 2.5 (CentOS 5.11) with 4 NIC's (1 for WAN and 3 For SIP Trunk using IP Authentication) eth0 - WAN IPADDR=75.XX.XX.162 NETMASK=[登录来查看链接] GATEWAY=75.XX.XX.161 eth1 - SIP TRUNK1 IPADDR=100.XX.XX.198 NETMASK=[登录来查看链接] GATEWAY=100.XX.XX.197 eth2 - SIP TRUNK2 IPADDR=100.XX.XX.194 NETMASK=[登录来查看链接] GATEWAY=100.XX.XX.193 eth3 - SIP TRUNK3 IPADDR=100.XX.XX.186 NETMASK=[登录来查看链接] ...

    $20 (Avg Bid)
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    WebRTC Project 16 小时 left
    已验证

    Works on Chrome, Firefox, IE, Safari, Opera and Bowser Audio / Video call Screen/Desktop sharing from Chrome to any SIP client Instant messaging Presence Call Hold / Resume Explicit Call transfer Multi-line and multi-account Dual-tone multi-frequency signaling (DTMF) using SIP INFO Click-to-Call SIP TelePresence (Video Group chat) 3GPP IMS standards

    $258 (Avg Bid)
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    8 个竞标
    VoIP APP Creation 16 小时 left
    已验证

    SIP Voip APP example Bria Platforms Android Apple MAC and Windows

    $615 (Avg Bid)
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    4 个竞标
    Exotel API Integration with FreePBX 16 小时 left
    已验证

    I would like to integrate Exotel system (based on OpenVBX) into my FreePBX server for seamless inbound and outbound calls. Freelancer must have experience to integrate the APIs from httpsdeveloper[dot]exotel[dot]com/api/ as a Trunk and utilize other applets from httpsdeveloper[dot]exotel[dot]com/applet for managing calls to ensure the combined system effectively helps to stay in touch with our...

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    Due to the increase in the number of people working from home within my client base, I'm seeing a 500% increase in traffic. I need 2 people who can commit to 0900-1700 GMT to provide technical support via phone and live chat to call center agents, multiple people who can cover this requirement will be considered. Ideally the people will be fluent in English and able to understand a wide r...

    $9 / hr (Avg Bid)
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    asterisk setup 11 小时 left
    已验证

    I want a new asterisk server built to replace our old version. i want someone who will build the server from scratch. Not just copy the sample files and fiddle with them. i require the following functionality. 1. Twenty Extensions. SIP Phone and Softphones etc 2. Conference bridge with IVR to Choose a room. Must support Video and Messages. 3. Short text message between extensions. 4. Video Cal...

    $305 (Avg Bid)
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    We need an application that runs on Android phones (4.0 or above) and can receive calls through SIP and forward it to the GSM network. The application should then forward the audio and convert from SIP to GSM and vice versa. Full description below. Please review and message me with considerations. If any requirements are unable to be met, please let me know before we make a deal. General Deliver...

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