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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    45 trabajados encontrados, precios en USD

    Se requiere configurar una central PBX Asterisk, para que funcionen las llamadas entrantes y salientes, ademas de una troncal entre varios países

    $158 (Avg Bid)
    $158 Oferta Promedio
    12 ofertas

    Total installation with all required features for Blended call handling. Need features like IVR, Call broadcasting etc

    $21 - $176
    $21 - $176
    0 ofertas

    Rebrand Chamilo elearning system and Show installation and configuration of the complete system: BigBlueButton supports sharing of slides (PDF and PPT), video, whiteboard, chat, voice (using Asterisk SIP installation), and desktops. Web Cam, Presentation, Integrated VoIP, Desktop Sharing

    $21 - $176
    $21 - $176
    0 ofertas
    Freeswitch 6 días left

    I need to integrate a softphone with fusion PBX/freeswitch.

    $175 (Avg Bid)
    $175 Oferta Promedio
    3 ofertas

    Only Experienced Call Centers with a Proven Record in Transfers in Medicare supplement need to Apply for this fixed payout Campaign. Inexperienced Centers with No idea of what a Call Center is,or No experience in Medicare Supplement warm Transfers Need NOT Apply. This is a 1 Year Annual Agreement selected Call Centers will get from the Client. Client will provide Training,VoIP and Database.

    $444 (Avg Bid)
    $444 Oferta Promedio
    5 ofertas

    Hi, I need someone who is expert on Asterisk and PHP. I need him to integrate Asterisk with Jerasoft Billing by Radius. Please don't forget to mentioned 2+5 in your bid otherwise you will be reported. Need to start asap. Thanks

    $337 (Avg Bid)
    $337 Oferta Promedio
    2 ofertas

    we are trying to create a script where we can check the validity of numbers using a dongle/modem where as it will ring the number and check its status

    $676 (Avg Bid)
    $676 Oferta Promedio
    9 ofertas

    Hey Need to add a new feature ASTPP VOIP BILLING ASTPP use freeswitch pbx, but he generate diaplan. wee need add function pitch shift

    $176 (Avg Bid)
    $176 Oferta Promedio
    2 ofertas

    Hi, i have developed a OBD voice Broadcasting Application on PHP, and hosted on Centos with Asterisk. my Problem is I am not able to send concurrent calls more than 300. If you can help me out then that would be great i also want to connect PRI lines in this application. please quote the price for this.

    $151 (Avg Bid)
    $151 Oferta Promedio
    4 ofertas
    JSSip or SipML5 6 días left

    Looking for some one who can connect JSSip or SIPml5 to asterisk with incoming and outgoing calls,

    $82 (Avg Bid)
    $82 Oferta Promedio
    3 ofertas

    Rebrand Chamilo elearning system and Show installation and configuration of the complete system: BigBlueButton supports sharing of slides (PDF and PPT), video, whiteboard, chat, voice (using Asterisk SIP installation), and desktops. Web Cam, Presentation, Integrated VoIP, Desktop Sharing

    $131 (Avg Bid)
    $131 Oferta Promedio
    2 ofertas

    Rebrand Chamilo elearning system and Show installation and configuration of the complete system: BigBlueButton supports sharing of slides (PDF and PPT), video, whiteboard, chat, voice (using Asterisk SIP installation), and desktops. Web Cam, Presentation, Integrated VoIP, Desktop Sharing

    $170 (Avg Bid)
    $170 Oferta Promedio
    6 ofertas
    Cold-calling sales agent 6 días left
    VERIFICADO

    You will be responsible for: - selling a SaaS fraud detection solution to mobile advertising companies and app developers - meeting sales targets - database creating from web to Google Docs - work organized, know how to reschedule calls, keep notes - be eager to learn You must have: - at least 1 year of cold calling sales experience - an understandable English voice - basic understand of how inte...

    $4 / hr (Avg Bid)
    $4 / hr Oferta Promedio
    5 ofertas
    AXNET VoIP 6 días left

    I am Peter from Rwanda/ Africa. I am looking someone who can configure Skinny & SIP on our Cisco call manager express. We currently have E1 service which is active as well. Proposed Features: 1. Incoming and outgoing calls 2. Music on hold 3. Call transfer 4. Call park 4. Voicemail 5. Auto-attendant 6. Billing We have different brands of IP phones like cisco, Unifi VoIP phone and Polycom. T...

    $521 (Avg Bid)
    $521 Oferta Promedio
    2 ofertas

    We are having problem with Elastix call center. Searching someone to fix the issue. Thank you

    $26 (Avg Bid)
    $26 Oferta Promedio
    8 ofertas
    script to check if number is valid 5 días left
    VERIFICADO

    we want to write a script which can check to see if a phone number is valid or out of use

    $127 (Avg Bid)
    $127 Oferta Promedio
    12 ofertas
    IVR system 5 días left
    VERIFICADO

    We are looking for someone who have developed an IVR system before. You must be able to show a demo to prove that you have the knowledge and expertise. The system be able to: Generating outgoing calls handle incoming calls and transfer calls based on user input Provide voice recording capabilities and replay log with time stamps Most provide APIs to allow third part integrators to interact with t...

    $1781 (Avg Bid)
    $1781 Oferta Promedio
    12 ofertas
    IVR outbound calling software 5 días left
    VERIFICADO

    Need an outbound IVR calling software as seen here [iniciar sesión para ver URL]

    $1125 (Avg Bid)
    $1125 Oferta Promedio
    2 ofertas

    I have installed OpenAnswer on AWS. Now I need to reinstall it on new Server. Only expert is needed.

    $171 (Avg Bid)
    $171 Oferta Promedio
    8 ofertas

    Need a developer to help us rework out implementation of Twilio. Must have the following knowledge: Node.js, Python. Deep Understanding of Twilio Voice API. Deep understanding of Automation Functions, such a reminder calls etc. Familiarity of Amazon Web Services. Step functions / State machines is a huge plus Optimizing implementation in order to conserve cost. Our platform initiates an outb...

    $34 / hr (Avg Bid)
    $34 / hr Oferta Promedio
    8 ofertas

    Pjsip2.8 is tested with "pjsip-app/bin/pjsua-mipsel-unknown-elf" and the following error is generated during the call. Alsa_dev.c ca_thread_func: overrun! Alsa_dev.c pb_thread_func: underrun! Cpu occupancy reached 96%. I can provide ssh to let you log in remotely. Codes is wm8960,Alsa drive is ok, I can play music with madplay Can anyone help me find out why? The operating environment is...

    $155 (Avg Bid)
    $155 Oferta Promedio
    1 ofertas

    Hi Freelancers, I have a hot project for integrating Vicidial with Salesforce. Basic Scope: 1. From vicidial, when a certain disposition is updated on live call, it will submit it to Salesforce as a lead using the lead API. If the lead already has been sumitted, that it just updates the lead and not submit a new one or on salesforce it will treat it as a dupe lead. 1. From Salesforce, when a le...

    $619 (Avg Bid)
    $619 Oferta Promedio
    16 ofertas

    I wanna run voice campaign so i need a solution from where i am able to run voice campaign.

    $760 (Avg Bid)
    $760 Oferta Promedio
    9 ofertas

    We have a Cisco AS5400 Universal Gateway which needs to be configured via an E1 ss7 . The Cisco gateway would interface with with TDM E1S and SIP Interface. We need to establish the Voice signalling via ISUP Controller which would be configured in the CISCO AS5400 via SLT interface via IP.

    $665 (Avg Bid)
    $665 Oferta Promedio
    4 ofertas

    Hi. We use ASTPP ([iniciar sesión para ver URL]) for billing. We need create a feature for transfer calls (Similar to FusionPBX *2). The ASTPP use xml_mod_curl for create the dialplan, once, yours need use the same engine to create the transfer calls. We already test the apps: bind_meta_app for capture the digits and works fine, but don't transfer to XML will make the transfer call...

    $188 (Avg Bid)
    $188 Oferta Promedio
    1 ofertas

    Hi. We use ASTPP ([iniciar sesión para ver URL]) for billing. We need create a feature for transfer calls (Similar to FusionPBX *2). The ASTPP use xml_mod_curl for create the dialplan, once, yours need use the same engine to create the transfer calls. We already test the apps: bind_meta_app for capture the digits and works fine, but don't transfer to XML will make the transfer call...

    $10 - $30
    $10 - $30
    0 ofertas

    Rebrand Chamilo elearning system and Show installation and configuration of the complete system: BigBlueButton supports sharing of slides (PDF and PPT), video, whiteboard, chat, voice (using Asterisk SIP installation), and desktops. Web Cam, Presentation, Integrated VoIP, Desktop Sharing

    $192 (Avg Bid)
    $192 Oferta Promedio
    5 ofertas
    voice recording 3 días left
    VERIFICADO

    We need a Voice for our IVR and voicemail.

    $33 (Avg Bid)
    $33 Oferta Promedio
    30 ofertas
    VoIP Termination Expert 3 días left
    VERIFICADO

    We are a company specialized in termination. We have many destinations with several operators to handle , each has his own unique system. To keep track of our business and to be able to make sure everything is working properly, we need an expert in cloud configuration to manage the cloud configuration. We know exactly what settings we want to apply, all you have to do is the proper configurations....

    $185 (Avg Bid)
    $185 Oferta Promedio
    5 ofertas

    Ich habe derzeit unter einem Server das HYLAFAX installiert und dazu [iniciar sesión para ver URL] als Anleitung versucht zu installieren, wobei das T38Modem klappt und loggt sich ein in die FritzBox oder SIPGATE, jedoch das HYLAFAX hebt nicht ab... also es ist sicher nur eine Zeile in der Konfiguration die fehlt, aber sonst müsste es laufen... also ich habe mir die Anleitung zu HYLAFA...

    $34 (Avg Bid)
    $34 Oferta Promedio
    1 ofertas

    Need Asterisk expert, Phones are down with new router trying to debug where the problem is

    $127 (Avg Bid)
    $127 Oferta Promedio
    14 ofertas

    hi i have a ASTERISK SERVER and it have a SIP Account i have a kamailio5 installed on my local system now you need to register kamailio5 to Asterisk using SIP account when asterisk server send call to kamailio5 ==========kamailio5 have to send call to local gateway IP like [iniciar sesión para ver URL] if you can make it please bid

    $148 (Avg Bid)
    $148 Oferta Promedio
    5 ofertas
    freepbx to twilio cloud setup 2 días left
    VERIFICADO

    Hi there, We are looking at setting up FreePBX in our Melbourne office. Let me explain the technicality first Using Twilio elastic trunk Handsets (mainly grandstream (gxp2170, gxp2140) Vmware pro FreePBX 14 The solution we are looking for: We know our requirements and we need a set solution using the above infrastructure that we can replicate in other offices ourselves after you fix the Me...

    $161 (Avg Bid)
    $161 Oferta Promedio
    12 ofertas

    Hi. We need new calling software. What its need to do: 1. Call to our phonebooks and play audio file 2. Hear and understand speech and convert it to text (Cloud Speech-to-Text Google API) 3. We need to do workflows and when customer say something, software get trigger from text, we need to play pre recorder audio file 4. Record all data in audio file and text file 5. If customer say something i...

    $917 (Avg Bid)
    $917 Oferta Promedio
    11 ofertas

    Need to develop SBO VPN to compress VoIP bandwith,

    $619 (Avg Bid)
    $619 Oferta Promedio
    4 ofertas
    asterisk chan_dongle install 2 días left
    VERIFICADO

    i have USB modem i want to pass call using asterisk chan_dongle i have Raspberry Pi and Raspberry Pi have connect USB modem with SIM card you need to pass calls using this USB modem i have now HUAWEI E303 modem if you need any other model i can arrange also need to dial USSD and get output and entry to TXT file if you can make it please bid

    $184 (Avg Bid)
    $184 Oferta Promedio
    5 ofertas
    FusionPBX and ASTPP Billing 2 días left
    VERIFICADO

    We need to integrate astpp core and fusion core so we can send and receive calls from provider when provider setup only on astpp. We have changed fusionpbx from mysql to postgresql. We need now call side integration and web side integration has been done.

    $184 (Avg Bid)
    $184 Oferta Promedio
    4 ofertas

    Dear freelancer i want to install a VOIP Engine like opensip sems-server Kamailio you can install any one i just want to pas call 1st install Engine on openwrt router 2nd config SIP to pass calls codec g729 router model : TPLNIK 3420 v5

    $230 (Avg Bid)
    $230 Oferta Promedio
    6 ofertas

    I have fusionpbx sip server working online. I need help to use cisco phones model 7945 with this pbx.

    $22 (Avg Bid)
    $22 Oferta Promedio
    5 ofertas

    I need someone help me to configure callto link that in windows registry automatically start a batchfile that was written by me.

    $20 / hr (Avg Bid)
    $20 / hr Oferta Promedio
    7 ofertas

    i need to send call server to local voip gateway like server in USA VoIP gateway in Bangladesh server to Bangladesh Openwrt Router connected BY VPN and VoIP gateway connected to openwrt router so i send call from server its work fine but i need some one who can help me to create SIP proxy to reduce Bandwidth now per call on SIP G729 Using 30kbps but i want to make it under 10KB we need to remove ...

    $666 (Avg Bid)
    $666 Oferta Promedio
    3 ofertas

    I am looking for a experienced asterisk professional who can develop a voice sms server application using hardware dinstar VoIP gateway. For details inbox me.

    $105 (Avg Bid)
    $105 Oferta Promedio
    3 ofertas

    I have a bunch of phones that I need to have auto firmware update when they are factory reset. I have a DHCP 160 option pointing to HTTPS server for provisioning. Firmware is also on that HTTPS server but my phones connect to my SIP server correctly and ignore the firmware update task. I need help getting my phones to force firmware upgrade when they come up and provision.

    $10 - $30
    $10 - $30
    0 ofertas
    Setup Nexmo/Plivo or similiar 16 horas left
    VERIFICADO

    Hello we need a telephone customer service with greeting and leave a message alternative. We have not decided yet with Plivo or Nexmo which is both at $2 per month. We need someone to setup a PHP script to take inbound calls for our website. Our website is Ubuntu.

    $137 (Avg Bid)
    $137 Oferta Promedio
    10 ofertas

    I need a freelance Developer/ Programmer for VICIdial. Must have 100% knowledge on VICIdial platform and IVR based calling. Rate per hour is negotiable. Working hours may excide 15 hour.

    $14 / hr (Avg Bid)
    $14 / hr Oferta Promedio
    3 ofertas

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