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    13,951 android sip gsm 找到的工作,价格在 USD

    Sip client with the pjsip or other sip stack. Need the cloudy Address Book accroding to the API. Need the presence status. The project should be finished in 1 month.

    $1532 (Avg Bid)
    $1532 \u5e73\u5747\u62a5\u4ef7
    3 竞标

    VoIP Video IM等即时通讯功能。 支持Android,IPhone,Window Phone等客户端应用。 熟识SIP Webrtc XMPP。 提供Demo。

    $5555 (Avg Bid)
    $5555 \u5e73\u5747\u62a5\u4ef7
    1 竞标

    1、开发一个用于移动APP软件的即时语音通讯模块,发送端是IOS或者android平台,接收端是android平台; 2、即时通讯模块功能主要实现单对单语音即时聊天,无须实现视频聊天; 3、要求操作简单,点击“通话”功能按钮即可实现通讯; 4、由于即时通讯双方可能位置很远,因此必须经过互联网传输,需要中转服务器进行语音媒体的中转。中转服务器可以采用成熟的第三方软件或者协议,但是在项目完成后可以交付给我们; 5、发送方网络的最低可能是ADSL 2M。但是延时不能超过1S; 6、语音质量要高,不能有杂音、回音等问题,需要可以用于商业行为的那种; 7、需要有可供调用的组件和调用方法,我公司可通过调用方法进行上层功能的开发; 8、需要提供所有源代码和演示版本(演示版本的运行平台包括android、IOS),以及可交付的...

    $2109 (Avg Bid)
    $2109 \u5e73\u5747\u62a5\u4ef7
    5 竞标

    We need to develop a project that monitors the voltage/current SCT013 and sends alerts by SMS in fault or voltage change, and in turn triggers the peristaltic pump using ESP32 LoRa and powering by battery. PCB Design + Schematic Circuit + Code is Needed, If you have something else to be adding is welcome to proyect.

    $247 (Avg Bid)
    $247 \u5e73\u5747\u62a5\u4ef7
    11 竞标

    I need to customize or make an app similar to csipsimple, which supports at least codec g729, g711a, g722, gsm, must be able to customize the server to record and have excellent audio quality [login to view URL]

    $86 (Avg Bid)
    $86 \u5e73\u5747\u62a5\u4ef7
    4 竞标
    VOIP - CALL DROPS 5 日 left
    已验证

    We use a XORCOM ELASTIX VOIP and have 2 office locations with a VPN tunnel. The second office cant make or receive calls which seems to be a SIP ALG or NAT issue. But need this fixed.

    $105 (Avg Bid)
    $105 \u5e73\u5747\u62a5\u4ef7
    13 竞标

    I'm interested in your services regarding firmware design, development, and programming. I am working on a GPS tracker using NB1, LTE, GSM, BLE, and WIFI connectivity. We must use the Ublox SARA-R410M-02B chipset. Beyond that, we haven’t selected many of the other required components for the device… this is where we’d like your input and expertise.

    $50 (Avg Bid)
    $50 \u5e73\u5747\u62a5\u4ef7
    1 竞标

    I'm interested in your services regarding firmware design, development, and programming. I am working on a GPS tracker using NB1, LTE, GSM, BLE, and WIFI connectivity. We must use the Ublox SARA-R410M-02B chipset. Beyond that, we haven’t selected many of the other required components for the device… this is where we’d like your input and expertise.

    $250 (Avg Bid)
    $250 \u5e73\u5747\u62a5\u4ef7
    1 竞标

    I'm interested in your services regarding firmware design, development, and programming. I am working on a GPS tracker using NB1, LTE, GSM, BLE, and WIFI connectivity. We must use the Ublox SARA-R410M-02B chipset. Beyond that, we haven’t selected many of the other required components for the device… this is where we’d like your input and expertise.

    $250 (Avg Bid)
    $250 \u5e73\u5747\u62a5\u4ef7
    1 竞标

    I require a smart watch like karacus with BLE, high sound,GSM,GPRS module,5cmX3cm display, running android and having the features of smartwatch. High battery life, simcard

    $12633 (Avg Bid)
    $12633 \u5e73\u5747\u62a5\u4ef7
    5 竞标

    My Problem Statement is as follows 1) The device must be controlled from the far end (say 3-5 km) without GSM 2) Device working information must be sent back to the control station continuously 3) The device will operate on a battery and we need to get this battery charging status back to the control station.

    $540 (Avg Bid)
    $540 \u5e73\u5747\u62a5\u4ef7
    19 竞标
    OBD CALLING 5 日 left

    Hello We have SIP,PRI and want to build script where we can make OBD Calling (asterisk),

    $1663 (Avg Bid)
    $1663 \u5e73\u5747\u62a5\u4ef7
    6 竞标

    ...card and can also be connected via wifi All you need to do is power up the camera and put a sim card in the camera and then download an APP from playstore install on your Android or IOS phone and you can have access anywhere you are in the world so far as you have internet connection. . This camera is for indoor use which can be used to see your loved

    $27 (Avg Bid)
    $27 \u5e73\u5747\u62a5\u4ef7
    5 竞标

    ...basic starting of the call center start. Like uploading the customer details. Creating and launching campaigns and getting its reports. 3. I have bought an OpenVOX GSM gateway. The GSM gateway is working good so far. But I need a small changes in configuration for smooth operation of the gateway. The gateway is not passing correct caller id to my PBX

    $77 (Avg Bid)
    $77 \u5e73\u5747\u62a5\u4ef7
    1 竞标

    Need a keil uvision programmer for STM32, who can integrate the codes. Job is to integrate AT commands of the cloud to the data collected by the sensor (sending it via GSM UC20). Programmer for Chennai will be preferred.

    $246 (Avg Bid)
    $246 \u5e73\u5747\u62a5\u4ef7
    7 竞标

    I have bought an OpenVOX GSM gateway. The GSM gateway is working good so far. But I need a small changes in configuration for smooth operation of the gateway. The gateway is not passing correct caller id to my PBX. Caller ID has two parts. One is Caller ID name and another is Caller ID number. Caller ID name part is okay and gateway sends is as the

    $33 (Avg Bid)
    $33 \u5e73\u5747\u62a5\u4ef7
    7 竞标

    Code for Arduino 2560 that will work as an TIME and ATTENDANCE LOGGER/ DATALOGGER. the code should support mag card swipe option and mag card swipe+pinpad/keypad option,,, More infoo in messages Thanks

    $189 (Avg Bid)
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    38 竞标

    ...retire our incoming ISDN lines and are setting up to test sip lines. We have an unusual router (peplink) and multiple redundant internet connections. We have spend many hours trying to setup our router to enable SIP connectivity however without success. We are looking for someone with 3CX, SIP and good networking /router skills. Hourly rate to be discussed

    $37 / hr (Avg Bid)
    $37 / hr \u5e73\u5747\u62a5\u4ef7
    1 竞标

    I noticed your profile and would like to offer you my project. Do you have experience with GoIP VoIP gateway, and A2Billing? I would like to dev...system similar to [login to view URL], but with different business model. So, it should efficiently setup and operate the GoIP (and similar) equipment to improve VoIP GSM termination. Thanks, Marcelo

    $10 / hr (Avg Bid)
    $10 / hr \u5e73\u5747\u62a5\u4ef7
    1 竞标

    My project is to use an arduino circuit like ATMEGA328P Pro Mini 328 Mini and a SIM 800L gprs GSM circuit board, prefered board to be smallest possible or ( if you can recommend better module for this project is fine let me know) conected to a the main alarm control panel and whenever there is an alarm this module call and send a text massage to the

    $2 / hr (Avg Bid)
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    1 竞标