Sip Jobs

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Hourly - Intermediate ($$) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
Looking to set up SIP appliances to send and receive calls triggered by automation systems or via custom button presses. ... For example, someone presses a doorbell, and it triggers a SIP device to call customer's cell phone. Also general help needed to set up grandstream UCM devices to handle small office and residential systems.
Skills: SIP REST VOIP Software
Hourly - Intermediate ($$) - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
Looking for someone with extensive FreeSWITCH / Kazoo experience to help out with Carrier integrations, getting information out of FreeSWITCH, controlling FreeSWITCH from a web app for various things, eventually also for video capabilities. (lot of tasks)
Skills: SIP Freeswitch VOIP Software
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
We have a content delivery system that integrates our clients in Africa to all Mobile Network Operators (MNO) to send contents via SMS, STK, USSD , IVR/OBD and wap gateways. The Content delivery platform is highly scalable and extendable for SMS, STK, USSD , IVR/OBD and wap services delivery We need a full stack developer with experiences in Telecommunication fields.
Skills: SIP Interactive Voice Response IPsec Linux System Administration
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
I am looking for an experienced developer who can install, set up and integrate webrtc with a TeleHealth website for educational purposes . It needs the following: - HIPAA Compliant - Encryption - Video chat 1 on 1 - Video conference with multiple people - Chat - Screen Recording Must be experienced with webrtc frameworks, Bootstrap, and VOIP. A skype interview will be conducted and detailed specifications given. ONLY EXPERTS need apply!
Skills: SIP A2Billing Asterisk Elastix
Hourly - Entry Level ($) - Est. Time: More than 6 months, 10-30 hrs/week - Posted
Hi I am looking for someone who is familiar with SIPp to write automate testing scripts and execute the test. I would like to start with some fixed price small tasks at the beginning then we can consider hourly potentially.
Skills: SIP
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
We are looking for a SS7 VoIP Expert to help us building a SS7 interconnection solution with the major local telecom operators, both fixed and mobile. We have acquired a CISCO AS5400 with 16 PRI interfaces, so one of the options would be to use the PGW 2200, but we lack both the know-how and the software, need help in both. We also consider alternatives (Sangoma, Squire, jss7, chanss7, openss7), but having the Cisco AS5400 already bought, we would like to integrate it and make use of its E1 interfaces.
Skills: SIP Cisco IOS VOIP Administration VOIP Software
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
We are a looking for a VoIP expert with project management experience to lead our deployment of voice services in Vanuatu. Experience with SS7 necessary to enable with other local carriers. Project is partially complete, however we need to engage someone part-time based in a similar time zone to oversee the 2 engineers working on the project, align the tasks and dependencies, and provide guidance/technical advice when required. Platform being deployed is Elastix /A2Billing. 5-10 hours per week required for 1-2 months. Aiming for soft launch of phase 1 services by early June (international calls and on-net calls), with interconnection with local carriers to follow afterwards. Substantial progress has already been made in setting up the platforms and testing them, we primarily need project leadership for the remaining stages and assistance with troubleshooting.
Skills: SIP A2Billing Elastix VMware ESX Server