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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    34 搜到的工作,价格货币为 HKD

    config the cisco ASA FW with HA mode , C3K switch

    $3117 (Avg Bid)
    $3117 平均报价
    26 个竞标

    I am looking for excellent developerSetup a Jitsi & Jibri server ideally within a one server config, consult on the requirements. You must have experience with this and done this before, you should also be familiar with its APIs

    $4892 (Avg Bid)
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    2 个竞标

    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.

    $101 / hr (Avg Bid)
    $101 / hr 平均报价
    38 个竞标

    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.

    $10373 (Avg Bid)
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    3 个竞标

    i want a asterisk call base filter solution which can filter the whitelist and black list calls with voipcall bandwidth optimizer..It will also work from 1ip to another ip.. Blacklists and whitelists of phone numbers/ Caller IDs Maintaining Call Gaps between calls to simulate HB Monitoring number/Caller ID length pattern while receiving calls Optimizing Bandwidth Efficiently

    $3101 (Avg Bid)
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    5 个竞标

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

    $271 / hr (Avg Bid)
    $271 / hr 平均报价
    4 个竞标
    Android Voip Dailer 5 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

    $4117 (Avg Bid)
    $4117 平均报价
    15 个竞标

    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.

    $20808 (Avg Bid)
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    23 个竞标
    SingUp Website 4 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]

    $194 (Avg Bid)
    $194 平均报价
    12 个竞标

    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 - $1289
    $155 - $1289
    0 个竞标
    FusionPBX integrate with CRM 4 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...

    $1202 (Avg Bid)
    $1202 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

    $4062 (Avg Bid)
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    21 个竞标

    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!

    $279 / hr (Avg Bid)
    $279 / hr 平均报价
    6 个竞标

    We need a basic website that can provide VOIP between users.

    $830 (Avg Bid)
    $830 平均报价
    6 个竞标

    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 ...

    $8644 (Avg Bid)
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    5 个竞标

    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.

    $2838 (Avg Bid)
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    19 个竞标

    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] ...

    $155 (Avg Bid)
    $155 平均报价
    7 个竞标
    WebRTC Project 3 天 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

    $2000 (Avg Bid)
    $2000 平均报价
    8 个竞标
    VoIP APP Creation 3 天 left
    已验证

    SIP Voip APP example Bria Platforms Android Apple MAC and Windows

    $4140 (Avg Bid)
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    3 个竞标

    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...

    $3659 (Avg Bid)
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    1 个竞标

    CloudSetup Installation Configuring Minutes Current Setup should be for 10 agents 3 Campaigns - 1) Press 1 IVR set Up for Inbound Campaign 2) Outbound Telecalling 3) IVR Broadcasting Budget would be low as 5k

    $535 (Avg Bid)
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    6 个竞标

    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...

    $70 / hr (Avg Bid)
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    79 个竞标
    asterisk setup 3 天 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...

    $2411 (Avg Bid)
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    10 个竞标

    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...

    $18676 (Avg Bid)
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    19 个竞标

    Summary I'm looking for someone to design an office virtual reception / greeting system. When someone comes up to the desk, they should be greeted by the system and from the option of people presented, be able to send them a message to let them know they are waiting in the lobby. Requirements Works on Ubuntu as a stand alone web application (apache, ngix?) Can fit varying screen sizes, ...

    $1008 (Avg Bid)
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    3 个竞标

    i need do limit of the call on asterisk like 16 calls max at same time and i need update this limit easy when i need by asterisk database

    $1000 (Avg Bid)
    $1000 平均报价
    16 个竞标
    Video Portal 1 天 left
    已验证

    We are using SIP/PBX setup (Kamailio-Freeswitch) with Kazoo. We need to create a User page where 2 or more people can have video conference with least settings. Currently Phone and Fax is working. I think video work on certain apps.

    $1124 (Avg Bid)
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    3 个竞标

    I want a customized dialer for VOIP app to app and app to PSTN calls. Subscribers will sign up online and then use username and password in the app to log in. I am looking for someone to use an SDK library like liblinphone to design the VOIP dialer app. It's OK if you can do it with any other library that is not libliphone as long as the job is done. The app will be for Androis and iOS. I...

    $2845 (Avg Bid)
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    10 个竞标

    We are looking to develop a replica of [登录来查看链接] urgently. We dont need all the features from Zoiper. We just need a mobile application (IOS and Android) that can make a phone call directly to a land line or mobile number. Experience in voip applications/ softphones is required.

    $4450 (Avg Bid)
    $4450 平均报价
    13 个竞标

    Multi-tenant voice broadcasting system. Multi-tenant press 1 campaign. CRD report with billing details. (WHMCS Billing Module) Integration with Sign up page, So whenever new client get signup they can receive email with voice broadcasting credentials. If Possible. Or need Custom On pressing 1 or pressing Any call should connect to call center agents. DID management based on the campaign. Fe...

    $30205 (Avg Bid)
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    7 个竞标
    Configure Vicidial 22 小时 left
    已验证

    Configure latest Vicidial 1 Indian VOIP line where when user logs in they get call on the cellular phone to bridge in conference. {Milestone 1 1000 Rs } 1 UK Line to dial out UK Number {Milestone 2 1000 Rs} 1 Additional UK Line to dial out UK Numbers where fist line do not work. 1 USA line to Dial out USA numbers Configuration should be such that dial er should automatically pickup lines ba...

    $760 (Avg Bid)
    $760 平均报价
    7 个竞标

    I am looking for a parallel code to be written to the phone systems prisons use for inmates to call out. They are usually prepaid phone systems. An example is GTL. Can we use the phone system and charge a cheaper rate?

    $34438 (Avg Bid)
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    16 个竞标
    cisco RV340 结束于 left
    已验证

    potrzebuję pomocy w konfiguracji VPN SSL i L2TP

    $279 (Avg Bid)
    $279 平均报价
    6 个竞标
    Skype Expert 9 小时 left
    已验证

    need to run 3 x simultaneous Skype accounts on windows 7 with 3 dedicated skype numbers and keep all contacts and messages .......is a mess! I know :-)

    $85 / hr (Avg Bid)
    $85 / hr 平均报价
    16 个竞标

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